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MapLibreParticleLab/platform/darwin/test/MLNExpressionTests.mm
Bart Louwers 550f64be22 core: rename mbgl namespace to mln (#4487)
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#import <XCTest/XCTest.h>
#import "MLNStyleLayerTests.h"
#import <string>
#import "MLNTypes.h"
#import "NSExpression+MLNPrivateAdditions.h"
#import "NSValue+MLNAdditions.h"
#if TARGET_OS_IPHONE
#import "UIColor+MLNAdditions.h"
#else
#import "NSColor+MLNAdditions.h"
#endif
#import "MLNAttributedExpression.h"
#define MLNAssertEqualValues(actual, expected, ...) \
XCTAssertTrue(actual.is<__typeof__(expected)>()); \
if (actual.is<__typeof__(expected)>()) { \
XCTAssertEqual(actual.get<__typeof__(expected)>(), expected, __VA_ARGS__); \
}
#define MLNAssertEqualValuesWithAccuracy(actual, expected, accuracy, ...) \
XCTAssertTrue(actual.is<__typeof__(expected)>()); \
if (actual.is<__typeof__(expected)>()) { \
XCTAssertEqualWithAccuracy(actual.get<__typeof__(expected)>(), expected, accuracy, \
__VA_ARGS__); \
}
#define MLNConstantExpression(constant) [NSExpression expressionForConstantValue:constant]
#define MLNAssertConstantEqualsValue(constant, value, ...) \
MLNAssertEqualValues(MLNConstantExpression(constant).mgl_constantMBGLValue, value, __VA_ARGS__);
#define MLNAssertConstantEqualsValueWithAccuracy(constant, value, accuracy, ...) \
MLNAssertEqualValuesWithAccuracy(MLNConstantExpression(constant).mgl_constantMBGLValue, value, \
accuracy, __VA_ARGS__);
using namespace std::string_literals;
@interface MLNExpressionTests : XCTestCase
@end
@implementation MLNExpressionTests
// MARK: - Utility
- (NSComparisonPredicate *)equalityComparisonPredicateWithRightConstantValue:
(id)rightConstantValue {
NSComparisonPredicate *predicate = [NSComparisonPredicate
predicateWithLeftExpression:[NSExpression expressionForKeyPath:@"foo"]
rightExpression:[NSExpression expressionForConstantValue:rightConstantValue]
modifier:NSDirectPredicateModifier
type:NSEqualToPredicateOperatorType
options:0];
return predicate;
}
// MARK: - Objective-C Example Code for MLN Expressions
- (void)testSteppingExpression {
// #-example-code
// Objective-C sample of how to create a stepping expression with multiple stops.
NSNumber *initialValue = @4.0f;
NSDictionary *stops = @{@11.0f : initialValue, @14.0f : @6.0f, @20.0f : @18.0f};
NSExpression *steppingExpression = [NSExpression
mgl_expressionForSteppingExpression:NSExpression.zoomLevelVariableExpression
fromExpression:[NSExpression expressionForConstantValue:initialValue]
stops:[NSExpression expressionForConstantValue:stops]];
// #-end-example-code
XCTAssertNotNil(steppingExpression);
}
- (void)testSteppingExpression_ColorOverZoom {
// #-example-code
// Objective-C sample of how to create a stepping expression with color.
NSExpression *constantExpression = [NSExpression expressionWithFormat:@"%@", [MLNColor redColor]];
NSExpression *stops = [NSExpression expressionForConstantValue:@{@18 : constantExpression}];
NSExpression *functionExpression;
if (@available(iOS 15, *)) {
// How to create expressions with iOS 15
functionExpression =
[NSExpression mgl_expressionForSteppingExpression:NSExpression.zoomLevelVariableExpression
fromExpression:constantExpression
stops:stops];
} else {
// How to create expressions up to iOS 14
functionExpression =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:($zoomLevel, %@, %@)",
constantExpression, stops];
}
// #-end-example-code
XCTAssertNotNil(functionExpression);
NSLog(@"%s %@", __FUNCTION__, functionExpression);
}
- (void)testInterpolatingExpression {
// #-example-code
// Objective-C sample of how to create an interpolating expression with multiple stops.
NSDictionary *opacityStops = @{@5.0f : @0.0f, @14.0 : @0.7f, @20.0f : @1.0f};
NSExpression *stops = [NSExpression expressionForConstantValue:opacityStops];
NSExpression *functionExpression;
if (@available(iOS 15, *)) {
// How to create expressions with iOS 15
functionExpression = [NSExpression
mgl_expressionForInterpolatingExpression:NSExpression.zoomLevelVariableExpression
withCurveType:MLNExpressionInterpolationModeLinear
parameters:nil
stops:stops];
} else {
// How to create expressions up to iOS 14
functionExpression = [NSExpression
expressionWithFormat:
@"mgl_interpolate:withCurveType:parameters:stops:($zoomLevel, 'linear', nil, %@)",
stops];
}
// #-end-example-code
XCTAssertNotNil(functionExpression);
NSLog(@"%s %@", __FUNCTION__, functionExpression);
}
// MARK: - Valuation tests
- (void)testStringValuation {
MLNAssertConstantEqualsValue(@"bar", "bar"s, @"NSString should convert to std::string.");
MLNAssertConstantEqualsValue(
@"🆔🆗🇦🇶", "🆔🆗🇦🇶"s,
@"NSString with non-ASCII characters should convert losslessly to std::string.");
}
- (void)testColorValuation {
MLNAssertConstantEqualsValue(
[MLNColor redColor], "rgba(255,0,0,1)"s,
@"MLNColor should convert to std::string containing CSS color string.");
}
- (void)testBooleanValuation {
MLNAssertConstantEqualsValue(@NO, false, @"Boolean NSNumber should convert to bool.");
MLNAssertConstantEqualsValue(@YES, true, @"Boolean NSNumber should convert to bool.");
}
- (void)testDoubleValuation {
MLNAssertConstantEqualsValue(@DBL_MIN, DBL_MIN, @"Double NSNumber should convert to double.");
MLNAssertConstantEqualsValue(@DBL_MAX, DBL_MAX, @"Double NSNumber should convert to double.");
}
- (void)testFloatValuation {
// Because we can't guarantee precision when using float, and because
// we warn the user to this effect in -[NSExpression mgl_constantMBGLValue],
// we just check that things are in the ballpark here with integer values
// and some lower-precision checks.
MLNAssertConstantEqualsValue(@-1.0f, -1.0, @"Float NSNumber should convert to double.");
MLNAssertConstantEqualsValue(@1.0f, 1.0, @"Float NSNumber should convert to double.");
MLNAssertConstantEqualsValueWithAccuracy(@-23.232342f, -23.232342, 0.000001,
@"Float NSNumber should convert to double.");
MLNAssertConstantEqualsValueWithAccuracy(@23.232342f, 23.232342, 0.000001,
@"Float NSNumber should convert to double.");
MLNAssertConstantEqualsValueWithAccuracy(@-FLT_MAX, static_cast<double>(-FLT_MAX), 0.000001,
@"Float NSNumber should convert to double.");
MLNAssertConstantEqualsValueWithAccuracy(@FLT_MAX, static_cast<double>(FLT_MAX), 0.000001,
@"Float NSNumber should convert to double.");
}
- (void)testIntegerValuation {
// Negative integers should always come back as int64_t per mln::Value definition.
MLNAssertConstantEqualsValue(@SHRT_MIN, static_cast<int64_t>(SHRT_MIN),
@"Negative short NSNumber should convert to int64_t.");
MLNAssertConstantEqualsValue(@INT_MIN, static_cast<int64_t>(INT_MIN),
@"Negative int NSNumber should convert to int64_t.");
MLNAssertConstantEqualsValue(@LONG_MIN, static_cast<int64_t>(LONG_MIN),
@"Negative long NSNumber should convert to int64_t.");
MLNAssertConstantEqualsValue(@LLONG_MIN, static_cast<int64_t>(LLONG_MIN),
@"Negative long long NSNumber should convert to int64_t.");
MLNAssertConstantEqualsValue(@NSIntegerMin, static_cast<int64_t>(NSIntegerMin),
@"Negative NSInteger NSNumber should convert to int64_t.");
// Positive integers should always come back as uint64_t per mln::Value definition.
MLNAssertConstantEqualsValue(@SHRT_MAX, static_cast<uint64_t>(SHRT_MAX),
@"Positive short NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@INT_MAX, static_cast<uint64_t>(INT_MAX),
@"Positive int NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@LONG_MAX, static_cast<uint64_t>(LONG_MAX),
@"Positive long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@LLONG_MAX, static_cast<uint64_t>(LLONG_MAX),
@"Positive long long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@NSIntegerMax, static_cast<uint64_t>(NSIntegerMax),
@"Positive NSInteger NSNumber should convert to uint64_t.");
}
- (void)testUnsignedIntegerValuation {
// Zero-value integers should always come back as uint64_t per mln::Value definition
// (using the interpretation that zero is not negative). We use the unsigned long long
// value just for parity with the positive integer test.
MLNAssertConstantEqualsValue(@(static_cast<unsigned short>(0)), static_cast<uint64_t>(0),
@"Unsigned short NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@0u, static_cast<uint64_t>(0),
@"Unsigned int NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@0UL, static_cast<uint64_t>(0),
@"Unsigned long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@0ULL, static_cast<uint64_t>(0),
@"Unsigned long long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@(static_cast<NSUInteger>(0)), static_cast<uint64_t>(0),
@"Unsigned NSUInteger NSNumber should convert to uint64_t.");
// Positive integers should always come back as uint64_t per mln::Value definition.
// We use the unsigned long long value because it can store the highest number on
// both 32- and 64-bit and won't overflow.
MLNAssertConstantEqualsValue(@USHRT_MAX, static_cast<uint64_t>(USHRT_MAX),
@"Unsigned short NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@UINT_MAX, static_cast<uint64_t>(UINT_MAX),
@"Unsigned int NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@ULONG_MAX, static_cast<uint64_t>(ULONG_MAX),
@"Unsigned long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@ULLONG_MAX, static_cast<uint64_t>(ULLONG_MAX),
@"Unsigned long long NSNumber should convert to uint64_t.");
MLNAssertConstantEqualsValue(@NSUIntegerMax, static_cast<uint64_t>(NSUIntegerMax),
@"Unsigned NSUInteger NSNumber should convert to uint64_t.");
}
- (void)testNullValuation {
mln::NullValue nullValue;
MLNAssertConstantEqualsValue([NSNull null], nullValue,
@"NSNull should convert to mln::NullValue.");
}
// MARK: - Feature type tests
- (void)testFeatureType {
XCTAssertEqual([NSExpression expressionForConstantValue:@"Point"].mgl_featureType,
mln::FeatureType::Point);
XCTAssertEqual([NSExpression expressionForConstantValue:@"LineString"].mgl_featureType,
mln::FeatureType::LineString);
XCTAssertEqual([NSExpression expressionForConstantValue:@"Polygon"].mgl_featureType,
mln::FeatureType::Polygon);
XCTAssertEqual([NSExpression expressionForConstantValue:@"Unknown"].mgl_featureType,
mln::FeatureType::Unknown);
XCTAssertEqual([NSExpression expressionForConstantValue:@""].mgl_featureType,
mln::FeatureType::Unknown);
XCTAssertEqual([NSExpression expressionForConstantValue:@1].mgl_featureType,
mln::FeatureType::Point);
XCTAssertEqual([NSExpression expressionForConstantValue:@2].mgl_featureType,
mln::FeatureType::LineString);
XCTAssertEqual([NSExpression expressionForConstantValue:@3].mgl_featureType,
mln::FeatureType::Polygon);
XCTAssertEqual([NSExpression expressionForConstantValue:@0].mgl_featureType,
mln::FeatureType::Unknown);
XCTAssertEqual([NSExpression expressionForConstantValue:@-1].mgl_featureType,
mln::FeatureType::Unknown);
XCTAssertEqual([NSExpression expressionForConstantValue:@4].mgl_featureType,
mln::FeatureType::Unknown);
XCTAssertEqual([NSExpression expressionForConstantValue:nil].mgl_featureType,
mln::FeatureType::Unknown);
}
// MARK: - JSON expression object tests
- (void)testVariableExpressionObject {
{
NSExpression *expression = [NSExpression expressionForVariable:@"zoomLevel"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"zoom" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$zoomLevel"].mgl_jsonExpressionObject, @[ @"zoom" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"zoom" ]], expression);
NSMutableDictionary *context = [@{@"zoomLevel" : @16} mutableCopy];
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @16);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"heatmapDensity"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"heatmap-density" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$heatmapDensity"].mgl_jsonExpressionObject,
@[ @"heatmap-density" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"heatmap-density" ]],
expression);
NSMutableDictionary *context = [@{@"heatmapDensity" : @1} mutableCopy];
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @1);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"lineProgress"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"line-progress" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$lineProgress"].mgl_jsonExpressionObject,
@[ @"line-progress" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"line-progress" ]],
expression);
NSMutableDictionary *context = [@{@"lineProgress" : @1} mutableCopy];
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @1);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"featureAccumulated"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"accumulated" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$featureAccumulated"].mgl_jsonExpressionObject,
@[ @"accumulated" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"accumulated" ]],
expression);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"geometryType"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"geometry-type" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$geometryType"].mgl_jsonExpressionObject,
@[ @"geometry-type" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"geometry-type" ]],
expression);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"featureIdentifier"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"id" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$featureIdentifier"].mgl_jsonExpressionObject,
@[ @"id" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"id" ]], expression);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"featureAttributes"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[ @"properties" ]);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$featureAttributes"].mgl_jsonExpressionObject,
@[ @"properties" ]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@[ @"properties" ]],
expression);
}
{
NSExpression *expression = [NSExpression expressionForVariable:@"loremIpsum"];
NSArray *jsonExpression = @[ @"var", @"loremIpsum" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"$loremIpsum"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
NSMutableDictionary *context = [@{@"loremIpsum" : @"Lorem ipsum dolor sit amet"} mutableCopy];
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context],
@"Lorem ipsum dolor sit amet");
}
{
NSDictionary *context = @{@"loremIpsum" : MLNConstantExpression(@"Lorem ipsum dolor sit amet")};
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression = [NSExpression
expressionWithFormat:
@"MLN_LET('loremIpsum', 'Lorem ipsum dolor sit amet', uppercase($loremIpsum))",
context];
NSExpression *compatibilityExpression = [NSExpression
expressionWithFormat:@"FUNCTION(uppercase($loremIpsum), 'mgl_expressionWithContext:', %@)",
context];
NSArray *jsonExpression = @[
@"let", @"loremIpsum", @"Lorem ipsum dolor sit amet",
@[ @"upcase", @[ @"var", @"loremIpsum" ] ]
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testConstantValueExpressionObject {
{
NSExpression *expression = [NSExpression expressionForConstantValue:nil];
XCTAssert(expression.mgl_jsonExpressionObject == [NSNull null]);
XCTAssert([NSExpression expressionWithFormat:@"nil"].mgl_jsonExpressionObject == [NSNull null]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:[NSNull null]], expression);
XCTAssertNil([expression expressionValueWithObject:nil context:nil]);
}
{
NSExpression *expression = [NSExpression expressionForConstantValue:@1];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @1);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1"].mgl_jsonExpressionObject, @1);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@1], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
}
{
NSExpression *expression = [NSExpression expressionForConstantValue:@YES];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @YES);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"TRUE"].mgl_jsonExpressionObject,
@YES);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:@YES], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @YES);
}
{
NSExpression *expression = [NSExpression expressionForConstantValue:nil];
XCTAssert(expression.mgl_jsonExpressionObject == [NSNull null]);
XCTAssert([NSExpression expressionWithFormat:@"nil"].mgl_jsonExpressionObject == [NSNull null]);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:[NSNull null]], expression);
XCTAssertNil([expression expressionValueWithObject:nil context:nil]);
}
{
CGVector vector = CGVectorMake(1, 2);
NSExpression *expression = [NSExpression expressionForConstantValue:@(vector)];
#if !TARGET_OS_IPHONE
NSArray *jsonExpression = @[ @"literal", @[ @1, @-2 ] ];
#else
NSArray *jsonExpression = @[ @"literal", @[ @1, @2 ] ];
#endif
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// No way to distinguish offsets from ordinary arrays in expressions.
XCTAssertEqualObjects([[NSExpression expressionWithMLNJSONObject:jsonExpression].collection
valueForKeyPath:@"constantValue"],
jsonExpression.lastObject);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(vector));
}
{
#if !TARGET_OS_IPHONE
NSEdgeInsets padding = {1, 2, 3, 4};
NSValue *value = [NSValue valueWithEdgeInsets:padding];
#else
UIEdgeInsets padding = {1, 2, 3, 4};
NSValue *value = [NSValue valueWithUIEdgeInsets:padding];
#endif
NSExpression *expression = [NSExpression expressionForConstantValue:value];
NSArray *jsonExpression = @[ @"literal", @[ @1, @4, @3, @2 ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// No way to distinguish offsets from ordinary arrays in expressions.
XCTAssertEqualObjects([[NSExpression expressionWithMLNJSONObject:jsonExpression].collection
valueForKeyPath:@"constantValue"],
jsonExpression.lastObject);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], value);
}
{
MLNColor *color =
[MLNColor mgl_colorWithColor:{255.0 / 255, 239.0 / 255, 213.0 / 255, 1}]; // papayawhip
NSExpression *expression = [NSExpression expressionForConstantValue:color];
NSArray *jsonExpression = @[ @"rgb", @255, @239, @213 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], color);
}
{
// Transform color components to non-premultiplied values
float alpha = 0.5;
float red = (255.0 * alpha) / 255;
float green = (239.0 * alpha) / 255;
float blue = (213.0 * alpha) / 255;
MLNColor *color = [MLNColor mgl_colorWithColor:{red, green, blue, alpha}]; // papayawhip
NSExpression *expression = [NSExpression expressionForConstantValue:color];
NSArray *jsonExpression = @[ @"rgba", @255.0, @239.0, @213.0, @0.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], color);
}
{
// Transform color components to non-premultiplied values
NSArray *jsonExpression = @[ @"rgba", @255.0, @239.0, @213.0, @0.5 ];
NSExpression *papayawhipExpression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
MLNColor *papayaWhipColor = [papayawhipExpression expressionValueWithObject:nil context:nil];
CGFloat convertedRed = 0.0, convertedGreen = 0.0, convertedBlue = 0.0, convertedAlpha = 0.0;
[papayaWhipColor getRed:&convertedRed
green:&convertedGreen
blue:&convertedBlue
alpha:&convertedAlpha];
XCTAssertEqualWithAccuracy(convertedRed, 255.0 / 255.0, 0.0000001);
XCTAssertEqualWithAccuracy(convertedGreen, 239.0 / 255.0, 0.0000001);
XCTAssertEqualWithAccuracy(convertedBlue, 213.0 / 255.0, 0.0000001);
XCTAssertEqual(convertedAlpha, 0.5);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"noindex(513)"];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @513);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @513);
}
}
- (void)testKeyPathExpressionObject {
{
NSExpression *expression = [NSExpression expressionForKeyPath:@"highway"];
NSArray *jsonExpression = @[ @"get", @"highway" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"highway"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"%@.population",
@{@"population" : MLNConstantExpression(@12000)}];
NSArray *jsonExpression =
@[ @"get", @"population", @[ @"literal",
@{@"population" : @12000} ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"%@.uppercase('population')",
@{@"POPULATION" : MLNConstantExpression(@12000)}];
NSArray *jsonExpression =
@[ @"get", @[ @"upcase", @"population" ], @[ @"literal",
@{@"POPULATION" : @12000} ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForKeyPath:@"lineStyle.color"];
NSArray *jsonExpression = @[ @"get", @"color", @[ @"get", @"lineStyle" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForKeyPath:@"map.box.gl"];
NSArray *jsonExpression = @[ @"get", @"gl", @[ @"get", @"box", @[ @"get", @"map" ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testStatisticalExpressionObject {
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"average({1, 2, 2, 3, 4, 7, 9})"];
NSArray *jsonExpression = @[
@"/", @[ @"+", @1, @2, @2, @3, @4, @7, @9 ],
@[ @"length", @[ @"literal", @[ @1, @2, @2, @3, @4, @7, @9 ] ] ]
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @4);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"sum({1, 2, 2, 3, 4, 7, 9})"];
NSArray *jsonExpression = @[ @"+", @1, @2, @2, @3, @4, @7, @9 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @28);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"count({1, 2, 2, 3, 4, 7, 9})"];
NSArray *jsonExpression = @[ @"length", @[ @"literal", @[ @1, @2, @2, @3, @4, @7, @9 ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @7);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"min({1, 2, 2, 3, 4, 7, 9})"];
NSArray *jsonExpression = @[ @"min", @1, @2, @2, @3, @4, @7, @9 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"max({1, 2, 2, 3, 4, 7, 9})"];
NSArray *jsonExpression = @[ @"max", @1, @2, @2, @3, @4, @7, @9 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @9);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testArithmeticExpressionObject {
NSArray *arguments = @[ MLNConstantExpression(@1), MLNConstantExpression(@1) ];
{
NSExpression *expression = [NSExpression expressionForFunction:@"add:to:" arguments:arguments];
NSArray *jsonExpression = @[ @"+", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 + 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *testExpression = [NSExpression expressionWithFormat:@"sum:({1, 1, 2})"];
NSExpression *expression =
[NSExpression expressionForFunction:@"sum:"
arguments:@[ [NSExpression expressionForAggregate:@[
MLNConstantExpression(@1), MLNConstantExpression(@1),
MLNConstantExpression(@2)
]] ]];
NSArray *jsonExpression = @[ @"+", @1, @1, @2 ];
XCTAssertEqualObjects(testExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(expression, testExpression);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"sum:"
arguments:@[
MLNConstantExpression(@1), MLNConstantExpression(@1),
MLNConstantExpression(@2)
]];
NSArray *jsonExpression = @[ @"+", @1, @1, @2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// - [NSExpression expressionWithMLNJSONObject:] creates an expression with an aggregate
// expression as an argument. This is not equal to an expression with an array of expressions as
// an argument. For testing purposes, we will compare their operands and arrays of expressions.
NSExpression *aggregateExpression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
XCTAssertEqualObjects(aggregateExpression.operand, expression.operand);
XCTAssertEqualObjects(aggregateExpression.arguments.firstObject.collection,
expression.arguments);
}
{
NSArray *threeArguments =
@[ MLNConstantExpression(@1), MLNConstantExpression(@1), MLNConstantExpression(@1) ];
NSExpression *expression = [NSExpression expressionForFunction:@"add:to:"
arguments:threeArguments];
NSArray *jsonExpression = @[ @"+", @1, @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
jsonExpression = @[ @"+", @[ @"+", @1, @1 ], @1 ];
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 + 1 + 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression],
[NSExpression expressionWithFormat:@"1 + 1 + 1"]);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"from:subtract:"
arguments:arguments];
NSArray *jsonExpression = @[ @"-", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 - 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"multiply:by:"
arguments:arguments];
NSArray *jsonExpression = @[ @"*", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 * 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"divide:by:"
arguments:arguments];
NSArray *jsonExpression = @[ @"/", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 / 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"modulus:by:"
arguments:arguments];
NSArray *jsonExpression = @[ @"%", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// NSExpression lacks a shorthand operator for modulus.
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"max:" arguments:arguments];
NSArray *jsonExpression = @[ @"max", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
NSExpression *aggregateExpression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
XCTAssertEqualObjects(aggregateExpression.operand, expression.operand);
XCTAssertEqualObjects(aggregateExpression.arguments.firstObject.collection,
expression.arguments);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"min:" arguments:arguments];
NSArray *jsonExpression = @[ @"min", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
NSExpression *aggregateExpression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
XCTAssertEqualObjects(aggregateExpression.operand, expression.operand);
XCTAssertEqualObjects(aggregateExpression.arguments.firstObject.collection,
expression.arguments);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"ceiling:" arguments:@[ MLNConstantExpression(@1.5) ]];
NSArray *jsonExpression = @[ @"ceil", @1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"ceiling:"
arguments:@[ MLNConstantExpression(@-1.5) ]];
NSArray *jsonExpression = @[ @"ceil", @-1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-1);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:"
arguments:@[ MLNConstantExpression(@2) ]];
NSArray *jsonExpression = @[ @"ceil", @2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:"
arguments:@[ MLNConstantExpression(@-2) ]];
NSArray *jsonExpression = @[ @"ceil", @-2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"trunc:" arguments:@[ MLNConstantExpression(@1.5) ]];
NSArray *jsonExpression = @[ @"-", @1.5, @[ @"%", @1.5, @1 ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"trunc:" arguments:@[ MLNConstantExpression(@-1.5) ]];
NSArray *jsonExpression = @[ @"-", @-1.5, @[ @"%", @-1.5, @1 ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-1);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"abs:"
arguments:@[ MLNConstantExpression(@2) ]];
NSArray *jsonExpression = @[ @"abs", @2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"abs:"
arguments:@[ MLNConstantExpression(@-2) ]];
NSArray *jsonExpression = @[ @"abs", @-2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"floor:" arguments:@[ MLNConstantExpression(@1.5) ]];
NSArray *jsonExpression = @[ @"floor", @1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"floor:" arguments:@[ MLNConstantExpression(@-1.5) ]];
NSArray *jsonExpression = @[ @"floor", @-1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"floor:"
arguments:@[ MLNConstantExpression(@2) ]];
NSArray *jsonExpression = @[ @"floor", @2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"floor:"
arguments:@[ MLNConstantExpression(@-2) ]];
NSArray *jsonExpression = @[ @"floor", @-2 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2);
}
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_round:"
arguments:@[ MLNConstantExpression(@1.5) ]];
NSArray *jsonExpression = @[ @"round", @1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_round:"
arguments:@[ MLNConstantExpression(@-1.5) ]];
NSArray *jsonExpression = @[ @"round", @-1.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_round:"
arguments:@[ MLNConstantExpression(@2.5) ]];
NSArray *jsonExpression = @[ @"round", @2.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @3);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_round:"
arguments:@[ MLNConstantExpression(@-2.5) ]];
NSArray *jsonExpression = @[ @"round", @-2.5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-3);
}
}
- (void)testTrigonometricExpressionObject {
NSArray *arguments = @[ MLNConstantExpression(@1), MLNConstantExpression(@1) ];
{
NSExpression *expression = [NSExpression expressionForFunction:@"sqrt:" arguments:arguments];
NSArray *jsonExpression = @[ @"sqrt", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"ln:" arguments:arguments];
NSArray *jsonExpression = @[ @"ln", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_log2:"
arguments:@[ MLNConstantExpression(@1024) ]];
NSArray *jsonExpression = @[ @"log2", @1024 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @10);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"raise:toPower:"
arguments:arguments];
NSArray *jsonExpression = @[ @"^", @1, @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 ** 1"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"exp:"
arguments:@[ MLNConstantExpression(@0) ]];
NSArray *jsonExpression = @[ @"^", @[ @"e" ], @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForConstantValue:@(M_E)];
NSArray *jsonExpression = @[ @"e" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(M_E));
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForConstantValue:@(M_PI)];
NSArray *jsonExpression = @[ @"pi" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(M_PI));
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_acos:"
arguments:@[ MLNConstantExpression(@1) ]];
NSArray *jsonExpression = @[ @"acos", @1 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @0);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_cos:"
arguments:@[ MLNConstantExpression(@0) ]];
NSArray *jsonExpression = @[ @"cos", @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_asin:"
arguments:@[ MLNConstantExpression(@0) ]];
NSArray *jsonExpression = @[ @"asin", @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @0);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_sin:"
arguments:@[ MLNConstantExpression(@0) ]];
NSArray *jsonExpression = @[ @"sin", @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @0);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_atan:"
arguments:@[ MLNConstantExpression(@20) ]];
NSArray *jsonExpression = @[ @"atan", @20 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
NSNumber *value = [expression expressionValueWithObject:nil context:nil];
XCTAssertEqualWithAccuracy(value.doubleValue, 1.52, 0.001);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_tan:"
arguments:@[ MLNConstantExpression(@0) ]];
NSArray *jsonExpression = @[ @"tan", @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @0);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testShapeDistanceExpressionObject {
{
MLNPointAnnotation *point = [[MLNPointAnnotation alloc] init];
point.coordinate = CLLocationCoordinate2DMake(1, -1);
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_distanceFrom:"
arguments:@[ MLNConstantExpression(point) ]];
NSArray *jsonExpression =
@[ @"distance",
@{@"type" : @"Point",
@"coordinates" : @[ @-1, @1 ]} ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertThrowsSpecificNamed([expression expressionValueWithObject:nil context:nil],
NSException, NSInvalidArgumentException);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testStringFormattingExpressionObject {
NSArray *arguments = @[ MLNConstantExpression(@"MacDonald") ];
{
NSExpression *expression = [NSExpression
expressionWithFormat:@"FUNCTION('Old', 'stringByAppendingString:', 'MacDonald')"];
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *aftermarketExpression =
[NSExpression expressionWithFormat:@"mgl_join({'Old', 'MacDonald'})"];
NSArray *jsonExpression = @[ @"concat", @"Old", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(aftermarketExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @"OldMacDonald");
XCTAssertEqualObjects([aftermarketExpression expressionValueWithObject:nil context:nil],
@"OldMacDonald");
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression],
aftermarketExpression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_join:"
arguments:@[ @"Old", @"MacDonald" ]];
NSExpression *aftermarketExpression =
[NSExpression expressionWithFormat:@"mgl_join({'Old', 'MacDonald'})"];
NSArray *jsonExpression = @[ @"concat", @"Old", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(aftermarketExpression.mgl_jsonExpressionObject,
expression.mgl_jsonExpressionObject);
NSExpression *aggregateExpression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
XCTAssertEqualObjects(aggregateExpression.operand, expression.operand);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"uppercase:"
arguments:arguments];
NSArray *jsonExpression = @[ @"upcase", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"lowercase:"
arguments:arguments];
NSArray *jsonExpression = @[ @"downcase", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"length:" arguments:arguments];
NSArray *jsonExpression = @[ @"length", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testTypeConversionExpressionObject {
{
NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(number, 'boolValue')"];
NSArray *jsonExpression = @[ @"to-boolean", @[ @"get", @"number" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// NSExpression is unable to evaluate -[NSNumber boolValue] by itself
// because it returns a primitive instead of an object.
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'mgl_number')"];
NSArray *jsonExpression = @[ @"to-number", @[ @"get", @"postalCode" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'doubleValue')"]
.mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'floatValue')"]
.mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'decimalValue')"]
.mgl_jsonExpressionObject,
jsonExpression);
// NSExpression is unable to evaluate NSNumber’s -floatValue,
// -doubleValue, or -decimalValue by themselves because they each return
// a primitive instead of an object.
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression],
[NSExpression expressionWithFormat:@"CAST(postalCode, 'NSNumber')"]);
}
{
NSExpression *expression = [NSExpression
expressionWithFormat:@"FUNCTION(postalCode, 'mgl_numberWithFallbackValues:', zipCode)"];
NSArray *jsonExpression =
@[ @"to-number", @[ @"get", @"postalCode" ], @[ @"get", @"zipCode" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'doubleValue', zipCode)"]
.mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'floatValue', zipCode)"]
.mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'decimalValue', zipCode)"]
.mgl_jsonExpressionObject,
jsonExpression);
// NSExpression is unable to evaluate NSNumber’s -floatValue,
// -doubleValue, or -decimalValue by themselves because they each return
// a primitive instead of an object.
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(postalCode, 'NSNumber')"];
NSExpression *compatibilityExpression = [NSExpression
expressionWithFormat:@"FUNCTION(postalCode, 'mgl_numberWithFallbackValues:')"];
NSArray *jsonExpression = @[ @"to-number", @[ @"get", @"postalCode" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(
[expression expressionValueWithObject:@{@"postalCode" : @"02134"} context:nil], @02134);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(number, 'NSString')"];
NSExpression *compatibilityExpression =
[NSExpression expressionWithFormat:@"FUNCTION(number, 'stringValue')"];
NSArray *jsonExpression = @[ @"to-string", @[ @"get", @"number" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:@{
@"number" : @1.5
}
context:nil],
@"1.5");
XCTAssertEqualObjects([compatibilityExpression expressionValueWithObject:@{
@"number" : @1.5
}
context:nil],
@"1.5");
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
#if TARGET_OS_IPHONE
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(x, 'UIColor')"];
#else
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(x, 'NSColor')"];
#endif
NSArray *jsonExpression = @[ @"to-color", @[ @"get", @"x" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionWithFormat:@"MLN_FUNCTION('to-color', x, y, z)"];
NSArray *jsonExpression =
@[ @"to-color", @[ @"get", @"x" ], @[ @"get", @"y" ], @[ @"get", @"z" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(noindex(x), 'NSArray')"];
NSArray *jsonExpression = @[ @"to-rgba", @[ @"get", @"x" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"CAST(noindex(%@), 'NSArray')",
MLNConstantExpression(MLNColor.blueColor)];
NSArray *jsonExpression = @[ @"to-rgba", @[ @"rgb", @0, @0, @255 ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionWithFormat:@"CAST(noindex('x'), 'NSArray')"];
XCTAssertThrowsSpecificNamed(expression.mgl_jsonExpressionObject, NSException,
NSInvalidArgumentException);
}
}
- (void)testInterpolationExpressionObject {
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@100), @10 : MLNConstantExpression(@200)};
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
NSExpression *expression = [NSExpression
expressionWithFormat:
@"mgl_interpolate:withCurveType:parameters:stops:(x, 'linear', nil, %@)", stops];
NSExpression *compatibilityExpression = [NSExpression
expressionWithFormat:
@"FUNCTION(x, 'mgl_interpolateWithCurveType:parameters:stops:', 'linear', nil, %@)",
stops];
NSArray *jsonExpression =
@[ @"interpolate", @[ @"linear" ], @[ @"get", @"x" ], @0, @100, @10, @200 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{@1 : MLNConstantExpression(@2), @3 : MLNConstantExpression(@6)};
NSExpression *expression = [NSExpression
expressionWithFormat:
@"mgl_interpolate:withCurveType:parameters:stops:(x, 'exponential', 2, %@)", stops];
NSArray *jsonExpression =
@[ @"interpolate", @[ @"exponential", @2 ], @[ @"get", @"x" ], @1, @2, @3, @6 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@0), @100 : MLNConstantExpression(@100)};
NSExpression *expression =
[NSExpression expressionWithFormat:@"mgl_interpolate:withCurveType:parameters:stops:(x, "
@"'cubic-bezier', { 0.42, 0, 0.58, 1 }, %@)",
stops];
NSArray *jsonExpression = @[
@"interpolate", @[ @"cubic-bezier", @0.42, @0, @0.58, @1 ], @[ @"get", @"x" ], @0, @0, @100,
@100
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@111), @1 : MLNConstantExpression(@1111)};
NSExpression *expression =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:(x, 11, %@)", stops];
NSExpression *compatibilityExpression = [NSExpression
expressionWithFormat:@"FUNCTION(x, 'mgl_stepWithMinimum:stops:', 11, %@)", stops];
NSArray *jsonExpression = @[ @"step", @[ @"get", @"x" ], @11, @0, @111, @1, @1111 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@111), @1 : MLNConstantExpression(@1111)};
NSExpression *expression =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:($zoomLevel, 11, %@)", stops];
NSArray *jsonExpression = @[ @"step", @[ @"zoom" ], @11, @0, @111, @1, @1111 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{};
NSExpression *expression =
[NSExpression expressionWithFormat:@"mgl_interpolate:withCurveType:parameters:stops:(x, "
@"'cubic-bezier', { 0.42, 0, 0.58, 1 }, %@)",
stops];
XCTAssertThrowsSpecificNamed(expression.mgl_jsonExpressionObject, NSException,
NSInvalidArgumentException);
}
{
NSDictionary *stops = @{};
NSExpression *expression =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:($zoomLevel, 11, %@)", stops];
XCTAssertThrowsSpecificNamed(expression.mgl_jsonExpressionObject, NSException,
NSInvalidArgumentException);
}
}
- (void)testMatchExpressionObject {
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression = [NSExpression
expressionWithFormat:@"MLN_MATCH(2 - 1, %@, %@, %@, %@, 'default')",
MLNConstantExpression(@1), MLNConstantExpression(@"one"),
MLNConstantExpression(@0), MLNConstantExpression(@"zero")];
NSExpression *predicate = [NSExpression expressionWithFormat:@"2 - 1"];
NSExpression *compatibilityExpression =
[NSExpression expressionWithFormat:@"FUNCTION(%@, 'mgl_match:', %@)", predicate, @[
MLNConstantExpression(@1), MLNConstantExpression(@"one"), MLNConstantExpression(@0),
MLNConstantExpression(@"zero"), MLNConstantExpression(@"default")
]];
NSArray *jsonExpression = @[ @"match", @[ @"-", @2, @1 ], @1, @"one", @0, @"zero", @"default" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression
expressionWithFormat:@"MLN_MATCH(2 * 1, %@, %@, 'default')", MLNConstantExpression(@1),
MLNConstantExpression(@"one")];
NSArray *jsonExpression = @[ @"match", @[ @"*", @2, @1 ], @1, @"one", @"default" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression
expressionWithFormat:@"MLN_MATCH(x, {'a', 'A'}, 'Apple', {'b', 'B'}, 'Banana', 'Kumquat')"];
NSArray *jsonExpression = @[
@"match", @[ @"get", @"x" ], @[ @"a", @"A" ], @"Apple", @[ @"b", @"B" ], @"Banana", @"Kumquat"
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"MLN_MATCH(x, %@, 'Apple', %@, 'Banana', 'Kumquat')",
@[ @"a", @"A" ], @"Bb"];
NSArray *jsonExpression =
@[ @"match", @[ @"get", @"x" ], @[ @"a", @"A" ], @"Apple", @"Bb", @"Banana", @"Kumquat" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression].description,
expression.description);
}
}
- (void)testCoalesceExpressionObject {
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression = [NSExpression expressionWithFormat:@"mgl_coalesce(%@)", @[
[NSExpression expressionForKeyPath:@"x"], [NSExpression expressionForKeyPath:@"y"],
[NSExpression expressionForKeyPath:@"z"], [NSExpression expressionForConstantValue:@0]
]];
NSExpression *compatibilityExpression =
[NSExpression expressionWithFormat:@"FUNCTION(%@, 'mgl_coalesce')", @[
[NSExpression expressionForKeyPath:@"x"], [NSExpression expressionForKeyPath:@"y"],
[NSExpression expressionForKeyPath:@"z"], [NSExpression expressionForConstantValue:@0]
]];
NSArray *jsonExpression =
@[ @"coalesce", @[ @"get", @"x" ], @[ @"get", @"y" ], @[ @"get", @"z" ], @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testConditionalExpressionObject {
{
NSPredicate *conditional = [NSPredicate predicateWithFormat:@"1 = 2"];
NSExpression *trueExpression = [NSExpression expressionForConstantValue:@YES];
NSExpression *falseExpression = [NSExpression expressionForConstantValue:@NO];
NSExpression *expression = [NSExpression expressionForConditional:conditional
trueExpression:trueExpression
falseExpression:falseExpression];
NSArray *jsonExpression = @[ @"case", @[ @"==", @1, @2 ], @YES, @NO ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(
[NSExpression expressionWithFormat:@"TERNARY(1 = 2, TRUE, FALSE)"].mgl_jsonExpressionObject,
jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"TERNARY(0 = 1, TRUE, TERNARY(1 = 2, TRUE, FALSE))"];
NSArray *jsonExpression =
@[ @"case", @[ @"==", @0, @1 ], @YES, @[ @"case", @[ @"==", @1, @2 ], @YES, @NO ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression = [NSExpression
expressionWithFormat:@"MLN_IF(%@, %@, %@)",
[NSExpression
expressionWithFormat:@"%@",
[NSPredicate predicateWithFormat:@"1 = 2"]],
MLNConstantExpression(@YES), MLNConstantExpression(@NO)];
NSExpression *compatibilityExpression = [NSExpression
expressionWithFormat:@"FUNCTION(%@, 'mgl_if:', %@)",
[NSPredicate predicateWithFormat:@"1 = 2"],
@[ MLNConstantExpression(@YES), MLNConstantExpression(@NO) ]];
NSArray *jsonExpression = @[ @"case", @[ @"==", @1, @2 ], @YES, @NO ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
expression = [NSExpression expressionWithFormat:@"TERNARY(1 = 2, YES, NO)"];
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO);
}
{
NSExpression *expression = [NSExpression
expressionWithFormat:@"MLN_IF(%@, %@, %@, %@, %@)",
[NSExpression
expressionWithFormat:@"%@",
[NSPredicate predicateWithFormat:@"1 = 2"]],
MLNConstantExpression(@YES),
[NSExpression
expressionWithFormat:@"%@",
[NSPredicate predicateWithFormat:@"1 = 1"]],
MLNConstantExpression(@YES), MLNConstantExpression(@NO)];
NSArray *jsonExpression = @[ @"case", @[ @"==", @1, @2 ], @YES, @[ @"==", @1, @1 ], @YES, @NO ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @YES);
}
{
NSArray *jsonExpression = @[
@"case", @[ @"<", @[ @"get", @"area" ], @80000 ], @[ @"get", @"abbr" ],
@[ @"get", @"name_en" ]
];
NSExpression *expression =
[NSExpression expressionWithFormat:@"TERNARY(area < 80000, abbr, name_en)"];
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
}
}
- (void)testLookupExpressionObject {
{
NSExpression *array = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@9), MLNConstantExpression(@8), MLNConstantExpression(@7)
]];
NSExpression *expression =
[NSExpression expressionForFunction:@"objectFrom:withIndex:"
arguments:@[ array, MLNConstantExpression(@"FIRST") ]];
NSArray *jsonExpression = @[ @"at", @0, @[ @"literal", @[ @9, @8, @7 ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
}
{
NSExpression *array = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@9), MLNConstantExpression(@8), MLNConstantExpression(@7)
]];
NSExpression *expression =
[NSExpression expressionForFunction:@"objectFrom:withIndex:"
arguments:@[ array, MLNConstantExpression(@"LAST") ]];
NSArray *jsonExpression = @[
@"at", @[ @"-", @[ @"length", @[ @"literal", @[ @9, @8, @7 ] ] ], @1 ],
@[ @"literal", @[ @9, @8, @7 ] ]
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
}
{
NSExpression *array = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@9), MLNConstantExpression(@8), MLNConstantExpression(@7)
]];
NSExpression *expression =
[NSExpression expressionForFunction:@"objectFrom:withIndex:"
arguments:@[ array, MLNConstantExpression(@"SIZE") ]];
NSArray *jsonExpression = @[ @"length", @[ @"literal", @[ @9, @8, @7 ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
}
{
NSExpression *array = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@9), MLNConstantExpression(@8), MLNConstantExpression(@7)
]];
NSExpression *expression =
[NSExpression expressionForFunction:@"objectFrom:withIndex:"
arguments:@[ array, MLNConstantExpression(@1) ]];
NSArray *jsonExpression = @[ @"at", @1, @[ @"literal", @[ @9, @8, @7 ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *array = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@9), MLNConstantExpression(@8), MLNConstantExpression(@7)
]];
NSExpression *expression =
[NSExpression expressionForFunction:@"objectFrom:withIndex:"
arguments:@[ array, [NSExpression expressionForKeyPath:@"x"] ]];
NSArray *jsonExpression = @[ @"at", @[ @"get", @"x" ], @[ @"literal", @[ @9, @8, @7 ] ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_does:have:"
arguments:@[
[NSExpression expressionForEvaluatedObject],
[NSExpression expressionForConstantValue:@"x"]
]];
NSExpression *compatibilityExpression =
[NSExpression expressionWithFormat:@"FUNCTION(self, 'mgl_has:', 'x')"];
NSArray *jsonExpression = @[ @"has", @"x" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [NSExpression expressionForFunction:@"mgl_does:have:"
arguments:@[
MLNConstantExpression(
@{@"x" : MLNConstantExpression(@0)}),
MLNConstantExpression(@"x")
]];
NSArray *jsonExpression = @[ @"has", @"x", @[ @"literal", @{@"x" : @0} ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionForFunction:@"mgl_does:have:"
arguments:@[
[NSExpression expressionForVariable:@"featureAttributes"],
[NSExpression expressionForConstantValue:@"x"]
]];
NSArray *jsonExpression = @[ @"has", @"x", @[ @"properties" ] ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression;
expression = [NSExpression expressionWithFormat:@"TERNARY(key != nil, 1, 0)"];
NSArray *jsonExpression = @[ @"case", @[ @"!=", @[ @"get", @"key" ], [NSNull null] ], @1, @0 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:@{} context:nil], @NO);
XCTAssertEqualObjects([expression expressionValueWithObject:@{@"key" : @"🗝"} context:nil],
@YES);
}
{
NSDictionary *dictionary = @{@"key" : @"🔑"};
NSExpression *expression;
expression = [NSExpression expressionWithFormat:@"TERNARY(%@.key != nil, 1, 0)", dictionary];
NSArray *jsonExpression = @[
@"case", @[ @"!=", @[ @"get", @"key", @[ @"literal", dictionary ] ], [NSNull null] ], @1, @0
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
// The dictionary isn’t equal enough.
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression].description,
expression.description);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @YES);
}
}
- (void)testFormatExpressionObject {
{
MLNAttributedExpression *attribute1 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"foo"]
fontNames:nil
fontScale:@(1.2)];
MLNAttributedExpression *attribute2 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"biz"]
fontNames:nil
fontScale:@(1.0)];
MLNAttributedExpression *attribute3 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"bar"]
fontNames:nil
fontScale:@(0.8)];
MLNAttributedExpression *attribute4 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"\r"]
fontNames:@[]
fontScale:nil];
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@, %@, %@, %@)", MLNConstantExpression(attribute1),
MLNConstantExpression(attribute4), MLNConstantExpression(attribute2),
MLNConstantExpression(attribute3)];
NSArray *jsonExpression = @[
@"format", @"foo",
@{@"font-scale" : @1.2}, @"\r", @{}, @"biz",
@{@"font-scale" : @1.0}, @"bar",
@{@"font-scale" : @0.8}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
MLNAttributedExpression *attribute1 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"foo"]
fontNames:nil
fontScale:@(1.2)];
MLNAttributedExpression *attribute2 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"biz"]
fontNames:nil
fontScale:@(1.0)];
MLNAttributedExpression *attribute3 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"bar"]
fontNames:nil
fontScale:@(0.8)];
MLNAttributedExpression *attribute4 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"\n"]
fontNames:@[]
fontScale:nil];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@, %@, %@, %@)", MLNConstantExpression(attribute1),
MLNConstantExpression(attribute4), MLNConstantExpression(attribute2),
MLNConstantExpression(attribute3)];
NSArray *jsonExpression = @[
@"format", @"foo",
@{@"font-scale" : @1.2}, @"\n", @{}, @"biz",
@{@"font-scale" : @1.0}, @"bar",
@{@"font-scale" : @0.8}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
MLNAttributedExpression *attribute1 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"foo"]
fontNames:nil
fontScale:@(1.2)];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSExpression *compatibilityExpression =
[NSExpression expressionForFunction:@"mgl_attributed:"
arguments:@[ MLNConstantExpression(attribute1) ]];
NSArray *jsonExpression = @[ @"format", @"foo", @{@"font-scale" : @1.2} ];
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject,
expression.mgl_jsonExpressionObject);
XCTAssertEqualObjects(compatibilityExpression, expression);
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
MLNAttributedExpression *attribute1 = [[MLNAttributedExpression alloc]
initWithExpression:[NSExpression expressionForConstantValue:@"foo"]
attributes:@{
MLNFontScaleAttribute : MLNConstantExpression(@(1.2)),
MLNFontColorAttribute : MLNConstantExpression(@"yellow")
}];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSExpression *compatibilityExpression =
[NSExpression expressionForFunction:@"mgl_attributed:"
arguments:@[ MLNConstantExpression(attribute1) ]];
NSArray *jsonExpression =
@[ @"format", @"foo",
@{@"font-scale" : @1.2,
@"text-color" : @"yellow"} ];
XCTAssertEqualObjects(compatibilityExpression.mgl_jsonExpressionObject,
expression.mgl_jsonExpressionObject);
XCTAssertEqualObjects(compatibilityExpression, expression);
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
MLNAttributedExpression *attribute1 = [[MLNAttributedExpression alloc]
initWithExpression:[NSExpression expressionForConstantValue:@"foo"]];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSArray *jsonExpression = @[ @"format", @"foo", @{} ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *fontNames = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@"DIN Offc Pro Bold"),
MLNConstantExpression(@"Arial Unicode MS Bold")
]];
MLNAttributedExpression *attribute1 = [[MLNAttributedExpression alloc]
initWithExpression:[NSExpression expressionForConstantValue:@"foo"]
attributes:@{
MLNFontScaleAttribute : MLNConstantExpression(@(1.2)),
MLNFontColorAttribute : MLNConstantExpression(@"yellow"),
MLNFontNamesAttribute : fontNames
}];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSArray *jsonExpression = @[
@"format", @"foo", @{
@"font-scale" : @1.2,
@"text-color" : @"yellow",
@"text-font" : @[ @"literal", @[ @"DIN Offc Pro Bold", @"Arial Unicode MS Bold" ] ]
}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *fontNames = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@"DIN Offc Pro Bold"),
MLNConstantExpression(@"Arial Unicode MS Bold")
]];
MLNAttributedExpression *attribute1 = [[MLNAttributedExpression alloc]
initWithExpression:[NSExpression expressionForConstantValue:@"foo"]
attributes:@{
MLNFontScaleAttribute : MLNConstantExpression(@(1.2)),
MLNFontColorAttribute : MLNConstantExpression([MLNColor redColor]),
MLNFontNamesAttribute : fontNames
}];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSArray *jsonExpression = @[
@"format", @"foo", @{
@"font-scale" : @1.2,
@"text-color" : @[ @"rgb", @255, @0, @0 ],
@"text-font" : @[ @"literal", @[ @"DIN Offc Pro Bold", @"Arial Unicode MS Bold" ] ]
}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *fontNames = [NSExpression expressionForAggregate:@[
MLNConstantExpression(@"DIN Offc Pro Bold"),
MLNConstantExpression(@"Arial Unicode MS Bold")
]];
MLNAttributedExpression *attribute1 = [[MLNAttributedExpression alloc]
initWithExpression:[NSExpression expressionWithFormat:@"CAST(x, 'NSString')"]
attributes:@{
MLNFontScaleAttribute : MLNConstantExpression(@(1.2)),
MLNFontColorAttribute : MLNConstantExpression([MLNColor redColor]),
MLNFontNamesAttribute : fontNames
}];
NSExpression *expression = [NSExpression
expressionWithFormat:@"mgl_attributed:(%@)", MLNConstantExpression(attribute1)];
NSArray *jsonExpression = @[
@"format", @[ @"to-string", @[ @"get", @"x" ] ], @{
@"font-scale" : @1.2,
@"text-color" : @[ @"rgb", @255, @0, @0 ],
@"text-font" : @[ @"literal", @[ @"DIN Offc Pro Bold", @"Arial Unicode MS Bold" ] ]
}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
MLNAttributedExpression *attribute1 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"foo"]
fontNames:nil
fontScale:@(1.2)];
MLNAttributedExpression *attribute2 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"biz"]
fontNames:nil
fontScale:@(1.0)];
MLNAttributedExpression *attribute3 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"bar"]
fontNames:nil
fontScale:@(0.8)];
MLNAttributedExpression *attribute4 = [MLNAttributedExpression
attributedExpression:[NSExpression expressionForConstantValue:@"\n"]
fontNames:@[]
fontScale:nil];
NSExpression *expression = [NSExpression mgl_expressionForAttributedExpressions:@[
MLNConstantExpression(attribute1), MLNConstantExpression(attribute4),
MLNConstantExpression(attribute2), MLNConstantExpression(attribute3)
]];
NSArray *jsonExpression = @[
@"format", @"foo",
@{@"font-scale" : @1.2}, @"\n", @{}, @"biz",
@{@"font-scale" : @1.0}, @"bar",
@{@"font-scale" : @0.8}
];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
- (void)testGenericExpressionObject {
{
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *expression =
[NSExpression expressionWithFormat:@"MLN_FUNCTION('random', 1, 2, 3, 4, 5)"];
NSArray *jsonExpression = @[ @"random", @1, @2, @3, @4, @5 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression =
[NSExpression expressionWithFormat:@"MLN_FUNCTION('random', 1, 2, 3, 4)"];
XCTAssertThrowsSpecificNamed([expression expressionValueWithObject:nil context:nil],
NSException, NSInvalidArgumentException);
}
{
NSArray *arguments = @[
MLNConstantExpression(@"one"),
MLNConstantExpression(@1),
[NSExpression expressionForVariable:@"one"],
];
NSExpression *nullaryExpression = [NSExpression expressionForFunction:@"MLN_LET"
arguments:arguments];
NSExpression *unaryExpression = [NSExpression expressionForFunction:@"MLN_LET:"
arguments:arguments];
XCTAssertEqualObjects(nullaryExpression.mgl_jsonExpressionObject,
unaryExpression.mgl_jsonExpressionObject);
}
{
NSArray *arguments = @[
[NSExpression expressionForVariable:@"x"],
MLNConstantExpression(@YES),
MLNConstantExpression(@"yes"),
MLNConstantExpression(@NO),
MLNConstantExpression(@"no"),
];
NSExpression *nullaryExpression = [NSExpression expressionForFunction:@"MLN_MATCH"
arguments:arguments];
NSExpression *unaryExpression = [NSExpression expressionForFunction:@"MLN_MATCH:"
arguments:arguments];
XCTAssertEqualObjects(nullaryExpression.mgl_jsonExpressionObject,
unaryExpression.mgl_jsonExpressionObject);
}
{
NSArray *arguments = @[
[NSPredicate predicateWithValue:YES],
MLNConstantExpression(@"yes"),
MLNConstantExpression(@"no"),
];
NSExpression *nullaryExpression = [NSExpression expressionForFunction:@"MLN_IF"
arguments:arguments];
NSExpression *unaryExpression = [NSExpression expressionForFunction:@"MLN_IF:"
arguments:arguments];
XCTAssertEqualObjects(nullaryExpression.mgl_jsonExpressionObject,
unaryExpression.mgl_jsonExpressionObject);
}
{
NSArray *arguments = @[ MLNConstantExpression(@"zoom") ];
NSExpression *nullaryExpression = [NSExpression expressionForFunction:@"MLN_FUNCTION"
arguments:arguments];
NSExpression *unaryExpression = [NSExpression expressionForFunction:@"MLN_FUNCTION:"
arguments:arguments];
XCTAssertEqualObjects(nullaryExpression.mgl_jsonExpressionObject,
unaryExpression.mgl_jsonExpressionObject);
}
}
// MARK: - Localization tests
- (void)testLocalization {
{
NSExpression *original = MLNConstantExpression(@"");
NSExpression *expected = original;
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *original = MLNConstantExpression(@"Old MacDonald");
NSExpression *expected = original;
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *original = MLNConstantExpression(@"{name_en}");
NSExpression *expected = original;
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *keyExpression = [NSExpression expressionForKeyPath:@"name_en"];
MLNAttributedExpression *attributedExpression =
[MLNAttributedExpression attributedExpression:keyExpression attributes:@{}];
NSExpression *original = [NSExpression expressionForConstantValue:attributedExpression];
#if TARGET_OS_IPHONE
XCTExpectFailure(@"Awaiting unit test refactoring for "
@"https://github.com/maplibre/maplibre-native/issues/331");
#endif
NSExpression *coalesceExpression =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_en", @"name"];
MLNAttributedExpression *expectedAttributedExpression =
[MLNAttributedExpression attributedExpression:coalesceExpression attributes:@{}];
NSExpression *expected = [NSExpression expressionForConstantValue:expectedAttributedExpression];
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *original = [NSExpression expressionForKeyPath:@"name_en"];
NSExpression *expected =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_en", @"name"];
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *original = [NSExpression expressionForKeyPath:@"name_en"];
NSExpression *expected = [NSExpression expressionForKeyPath:@"name"];
XCTAssertEqualObjects(
[original mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"mul"]],
expected);
}
{
NSExpression *original = [NSExpression expressionForKeyPath:@"name_en"];
NSExpression *expected =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_fr", @"name"];
XCTAssertEqualObjects(
[original mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"fr-CA"]],
expected);
}
{
NSExpression *original = [NSExpression expressionForKeyPath:@"name_en"];
NSExpression *expected =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K, %K, %K})", @"name_zh-Hans",
@"name_zh-CN", @"name_zh", @"name"];
XCTAssertEqualObjects(
[original
mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"zh-Hans"]],
expected);
}
{
NSExpression *original =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_en", @"name"];
NSExpression *expected = [NSExpression
expressionWithFormat:
@"mgl_coalesce:({mgl_coalesce:({name_en, name}), mgl_coalesce:({name_en, name})})"];
XCTAssertEqualObjects([original mgl_expressionLocalizedIntoLocale:nil], expected);
}
{
NSExpression *original =
[NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_en", @"name"];
NSExpression *expected = [NSExpression
expressionWithFormat:
@"mgl_coalesce:({mgl_coalesce:({name_ja, name}), mgl_coalesce:({name_ja, name})})"];
XCTAssertEqualObjects(
[original mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"ja-JP"]],
expected);
}
{
NSExpression *original = [NSExpression expressionForKeyPath:@"name_en"];
NSExpression *expected = [NSExpression expressionForKeyPath:@"name"];
XCTAssertEqualObjects(
[original mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"tlh"]],
expected);
}
{
NSExpression *original =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:($zoomLevel, short, %@)", @{
@1 : [NSExpression expressionForKeyPath:@"abbr"],
@2 : @"…",
@3 : [NSExpression expressionForKeyPath:@"name_fr"],
}];
NSExpression *expected =
[NSExpression expressionWithFormat:@"mgl_step:from:stops:($zoomLevel, short, %@)", @{
@1 : [NSExpression expressionForKeyPath:@"abbr"],
@2 : @"…",
@3 : [NSExpression expressionWithFormat:@"mgl_coalesce({%K, %K})", @"name_es", @"name"]
}];
XCTAssertEqualObjects(
[original mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"es-PR"]],
expected);
}
{
NSArray *jsonExpression = @[
@"step", @[ @"zoom" ],
@[
@"case", @[ @"<", @[ @"to-number", @[ @"get", @"area" ] ], @80000 ], @[ @"get", @"abbr" ],
@[ @"get", @"name_en" ]
],
@5, @[ @"get", @"name_en" ]
];
NSArray *localizedJSONExpression = @[
@"step", @[ @"zoom" ],
@[
@"case", @[ @"<", @[ @"to-number", @[ @"get", @"area" ] ], @80000 ], @[ @"get", @"abbr" ],
@[ @"get", @"name" ]
],
@5, @[ @"get", @"name" ]
];
NSExpression *expression = [NSExpression expressionWithMLNJSONObject:jsonExpression];
NSExpression *localizedExpression =
[expression mgl_expressionLocalizedIntoLocale:[NSLocale localeWithLocaleIdentifier:@"mul"]];
XCTAssertEqualObjects(localizedExpression.mgl_jsonExpressionObject, localizedJSONExpression);
}
}
- (void)testConvenienceInitializers {
{
NSExpression *expression =
[NSExpression mgl_expressionForConditional:[NSPredicate predicateWithFormat:@"1 = 2"]
trueExpression:MLNConstantExpression(@YES)
falseExpresssion:MLNConstantExpression(@NO)];
NSArray *jsonExpression = @[ @"case", @[ @"==", @1, @2 ], @YES, @NO ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO);
}
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@111), @1 : MLNConstantExpression(@1111)};
NSExpression *expression = [NSExpression
mgl_expressionForSteppingExpression:[NSExpression expressionForKeyPath:@"x"]
fromExpression:[NSExpression expressionForConstantValue:@11]
stops:[NSExpression expressionForConstantValue:stops]];
NSArray *jsonExpression = @[ @"step", @[ @"get", @"x" ], @11, @0, @111, @1, @1111 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *stops = @{@0 : MLNConstantExpression(@100), @10 : MLNConstantExpression(@200)};
NSExpression *expression = [NSExpression
mgl_expressionForInterpolatingExpression:[NSExpression expressionForKeyPath:@"x"]
withCurveType:MLNExpressionInterpolationModeLinear
parameters:nil
stops:[NSExpression expressionForConstantValue:stops]];
NSArray *jsonExpression =
@[ @"interpolate", @[ @"linear" ], @[ @"get", @"x" ], @0, @100, @10, @200 ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSExpression *expression = [[NSExpression expressionForConstantValue:@"Old"]
mgl_expressionByAppendingExpression:[NSExpression expressionForConstantValue:@"MacDonald"]];
NSArray *jsonExpression = @[ @"concat", @"Old", @"MacDonald" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @"OldMacDonald");
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
{
NSDictionary *values = @{MLNConstantExpression(@1) : MLNConstantExpression(@"one")};
NSExpression *expression = [NSExpression
mgl_expressionForMatchingExpression:[NSExpression expressionWithFormat:@"2 * 1"]
inDictionary:values
defaultExpression:[NSExpression expressionForConstantValue:@"default"]];
NSArray *jsonExpression = @[ @"match", @[ @"*", @2, @1 ], @1, @"one", @"default" ];
XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression);
XCTAssertEqualObjects([NSExpression expressionWithMLNJSONObject:jsonExpression], expression);
}
}
// MARK: - Objective-C Example Code for Expected Failures
- (void)testExpectPassObjC {
XCTAssertNotNil(@1);
}
/// https://developer.apple.com/documentation/xctest/expected_failures?language=objc
- (void)testExpectFailureObjC {
XCTExpectFailure(@"Objective-C example - Anticipate known test failures to prevent failing tests "
@"from affecting your workflows.");
XCTAssertNotNil(nil);
}
@end