22447373ae
Bounds should always be in NE, SW order — any other coordinate order (e.g., NW, SE) will give false results.
103 lines
5.8 KiB
Plaintext
103 lines
5.8 KiB
Plaintext
#import <Mapbox/Mapbox.h>
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#import <XCTest/XCTest.h>
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#import "../../darwin/src/MGLGeometry_Private.h"
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@interface MGLGeometryTests : XCTestCase
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@end
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@implementation MGLGeometryTests
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- (void)testCoordinateBoundsIsEmpty {
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MGLCoordinateBounds emptyBounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(0, 0), CLLocationCoordinate2DMake(10, 0));
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XCTAssertTrue(MGLCoordinateBoundsIsEmpty(emptyBounds));
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XCTAssertFalse(MGLCoordinateSpanEqualToCoordinateSpan(MGLCoordinateSpanZero, MGLCoordinateBoundsGetCoordinateSpan(emptyBounds)));
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}
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- (void)testAngleConversions {
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XCTAssertEqualWithAccuracy(-180, MGLDegreesFromRadians(-M_PI), 5);
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XCTAssertEqual(0, MGLDegreesFromRadians(0));
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XCTAssertEqualWithAccuracy(45, MGLDegreesFromRadians(M_PI_4), 5);
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XCTAssertEqualWithAccuracy(90, MGLDegreesFromRadians(M_PI_2), 5);
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XCTAssertEqualWithAccuracy(180, MGLDegreesFromRadians(M_PI), 5);
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XCTAssertEqualWithAccuracy(360, MGLDegreesFromRadians(2 * M_PI), 5);
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XCTAssertEqualWithAccuracy(720, MGLDegreesFromRadians(4 * M_PI), 5);
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XCTAssertEqualWithAccuracy(-360, MGLDegreesFromRadians(MGLRadiansFromDegrees(-360)), 4);
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XCTAssertEqualWithAccuracy(-180, MGLDegreesFromRadians(MGLRadiansFromDegrees(-180)), 5);
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XCTAssertEqualWithAccuracy(-90, MGLDegreesFromRadians(MGLRadiansFromDegrees(-90)), 5);
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XCTAssertEqualWithAccuracy(-45, MGLDegreesFromRadians(MGLRadiansFromDegrees(-45)), 5);
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XCTAssertEqualWithAccuracy(0, MGLDegreesFromRadians(MGLRadiansFromDegrees(0)), 5);
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XCTAssertEqualWithAccuracy(45, MGLDegreesFromRadians(MGLRadiansFromDegrees(45)), 5);
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XCTAssertEqualWithAccuracy(90, MGLDegreesFromRadians(MGLRadiansFromDegrees(90)), 5);
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XCTAssertEqualWithAccuracy(180, MGLDegreesFromRadians(MGLRadiansFromDegrees(180)), 5);
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XCTAssertEqualWithAccuracy(360, MGLDegreesFromRadians(MGLRadiansFromDegrees(360)), 4);
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}
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- (void)testAltitudeConversions {
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CGSize tallSize = CGSizeMake(600, 1200);
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CGSize midSize = CGSizeMake(600, 800);
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CGSize shortSize = CGSizeMake(600, 400);
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XCTAssertEqualWithAccuracy(1800, MGLAltitudeForZoomLevel(MGLZoomLevelForAltitude(1800, 0, 0, midSize), 0, 0, midSize), 1);
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XCTAssertLessThan(MGLZoomLevelForAltitude(1800, 0, 0, midSize), MGLZoomLevelForAltitude(1800, 0, 0, tallSize));
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XCTAssertGreaterThan(MGLZoomLevelForAltitude(1800, 0, 0, midSize), MGLZoomLevelForAltitude(1800, 0, 0, shortSize));
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XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 0, 0, midSize), 0, 0, midSize), 3);
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XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 0, 0, midSize), 0, 0, midSize), 3);
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XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 0, 40, midSize), 0, 40, midSize), 3);
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XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 0, 40, midSize), 0, 40, midSize), 3);
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XCTAssertEqualWithAccuracy(0, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(0, 60, 40, midSize), 60, 40, midSize), 3);
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XCTAssertEqualWithAccuracy(18, MGLZoomLevelForAltitude(MGLAltitudeForZoomLevel(18, 60, 40, midSize), 60, 40, midSize), 3);
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}
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- (void)testGeometryBoxing {
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CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(38.9131982, -77.0325453144239);
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CLLocationCoordinate2D roundTrippedCoordinate = [NSValue valueWithMGLCoordinate:coordinate].MGLCoordinateValue;
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XCTAssertEqual(coordinate.latitude, roundTrippedCoordinate.latitude, @"Latitude should round-trip.");
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XCTAssertEqual(coordinate.longitude, roundTrippedCoordinate.longitude, @"Longitude should round-trip.");
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MGLCoordinateSpan span = MGLCoordinateSpanMake(4.383333333333335, -4.299999999999997);
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MGLCoordinateSpan roundTrippedSpan = [NSValue valueWithMGLCoordinateSpan:span].MGLCoordinateSpanValue;
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XCTAssertEqual(span.latitudeDelta, roundTrippedSpan.latitudeDelta, @"Latitude delta should round-trip.");
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XCTAssertEqual(span.longitudeDelta, roundTrippedSpan.longitudeDelta, @"Longitude delta should round-trip.");
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MGLCoordinateBounds bounds = MGLCoordinateBoundsMake(CLLocationCoordinate2DMake(38.9131982, -77.0325453144239),
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CLLocationCoordinate2DMake(37.7757368, -122.4135302));
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MGLCoordinateBounds roundTrippedBounds = [NSValue valueWithMGLCoordinateBounds:bounds].MGLCoordinateBoundsValue;
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XCTAssertEqualObjects([NSValue valueWithMGLCoordinate:bounds.sw],
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[NSValue valueWithMGLCoordinate:roundTrippedBounds.sw],
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@"Southwest should round-trip.");
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XCTAssertEqualObjects([NSValue valueWithMGLCoordinate:bounds.ne],
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[NSValue valueWithMGLCoordinate:roundTrippedBounds.ne],
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@"Northeast should round-trip.");
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}
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- (void)testCoordinateInCoordinateBounds {
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CLLocationCoordinate2D ne = CLLocationCoordinate2DMake(41, -111);
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CLLocationCoordinate2D sw = CLLocationCoordinate2DMake(45, -104);
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MGLCoordinateBounds wyoming = MGLCoordinateBoundsMake(ne, sw);
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CLLocationCoordinate2D centerOfWyoming = CLLocationCoordinate2DMake(43, -107.5);
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XCTAssertTrue(MGLCoordinateInCoordinateBounds(ne, wyoming));
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XCTAssertTrue(MGLCoordinateInCoordinateBounds(sw, wyoming));
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XCTAssertTrue(MGLCoordinateInCoordinateBounds(centerOfWyoming, wyoming));
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CLLocationCoordinate2D australia = CLLocationCoordinate2DMake(-25, 135);
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CLLocationCoordinate2D brazil = CLLocationCoordinate2DMake(-12, -50);
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CLLocationCoordinate2D china = CLLocationCoordinate2DMake(35, 100);
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XCTAssertFalse(MGLCoordinateInCoordinateBounds(australia, wyoming));
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XCTAssertFalse(MGLCoordinateInCoordinateBounds(brazil, wyoming));
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XCTAssertFalse(MGLCoordinateInCoordinateBounds(china, wyoming));
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XCTAssertFalse(MGLCoordinateInCoordinateBounds(kCLLocationCoordinate2DInvalid, wyoming));
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}
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@end
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