72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/test/stub_geometry_tile_feature.hpp>
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#include <mbgl/style/function/composite_function.hpp>
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using namespace mbgl;
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using namespace mbgl::style;
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using namespace std::string_literals;
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static StubGeometryTileFeature oneInteger {
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PropertyMap {{ "property", uint64_t(1) }}
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};
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TEST(CompositeFunction, ZoomInterpolation) {
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EXPECT_EQ(40.0f, CompositeFunction<float>("property", CompositeExponentialStops<float>({
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{0.0f, {{uint64_t(1), 24.0f}}},
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{1.5f, {{uint64_t(1), 36.0f}}},
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{3.0f, {{uint64_t(1), 48.0f}}}
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}), 0.0f)
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.evaluate(2.0f, oneInteger, -1.0f)) << "Should interpolate between stops";
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EXPECT_EQ(33.0, CompositeFunction<float>("property", CompositeExponentialStops<float>({
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{5.0f, {{uint64_t(1), 33.0f}}},
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{10.0f, {{uint64_t(1), 66.0f}}}
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}), 0.0f)
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.evaluate(0.0f, oneInteger, -1.0f)) << "Use first stop output for input values from -inf to first stop";
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EXPECT_EQ(66.0, CompositeFunction<float>("property", CompositeExponentialStops<float>({
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{0.0f, {{uint64_t(1), 33.0f}}},
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{10.0f, {{uint64_t(1), 66.0f}}}
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}), 0.0f)
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.evaluate(20.0f, oneInteger, -1.0f)) << "Use last stop output for input values from last stop to +inf";
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EXPECT_EQ(66.0f, CompositeFunction<float>("property", CompositeExponentialStops<float>({
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{0.0f, {{uint64_t(1), 33.0f}}},
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{10.0f, {{uint64_t(1), 66.0f}}}
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}), 0.0f)
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.evaluate(10.0f, oneInteger, -1.0f)) << "Should interpolate TO the last stop.";
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EXPECT_EQ(33.0f, CompositeFunction<float>("property", CompositeExponentialStops<float>({
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{0.0f, {{uint64_t(1), 33.0f}}},
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{10.0f, {{uint64_t(1), 66.0f}}}
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}), 0.0f)
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.evaluate(0.0f, oneInteger, -1.0f)) << "Should interpolate TO the first stop";
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}
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TEST(CompositeFunction, Issue8460) {
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CompositeFunction<float> fn1("property", CompositeExponentialStops<float>({
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{15.0f, {{uint64_t(1), 0.0f}}},
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{15.2f, {{uint64_t(1), 600.0f}}},
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}), 0.0f);
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EXPECT_NEAR( 0.0f, fn1.evaluate(15.0f, oneInteger, -1.0f), 0.00);
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EXPECT_NEAR(300.0f, fn1.evaluate(15.1f, oneInteger, -1.0f), 0.01);
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EXPECT_NEAR(600.0f, fn1.evaluate(15.2f, oneInteger, -1.0f), 0.00);
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EXPECT_NEAR(600.0f, fn1.evaluate(16.0f, oneInteger, -1.0f), 0.00);
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CompositeFunction<float> fn2("property", CompositeExponentialStops<float>({
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{15.0f, {{uint64_t(1), 0.0f}}},
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{15.2f, {{uint64_t(1), 300.0f}}},
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{18.0f, {{uint64_t(1), 600.0f}}},
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}), 0.0f);
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EXPECT_NEAR( 0.0f, fn2.evaluate(15.0f, oneInteger, -1.0f), 0.00);
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EXPECT_NEAR(150.0f, fn2.evaluate(15.1f, oneInteger, -1.0f), 0.01);
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EXPECT_NEAR(300.0f, fn2.evaluate(15.2f, oneInteger, -1.0f), 0.00);
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EXPECT_NEAR(385.71f, fn2.evaluate(16.0f, oneInteger, -1.0f), 0.01);
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EXPECT_NEAR(600.0f, fn2.evaluate(18.0f, oneInteger, -1.0f), 0.00);
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EXPECT_NEAR(600.0f, fn2.evaluate(19.0f, oneInteger, -1.0f), 0.00);
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}
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