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-rw-r--r--test/style/function/camera_function.test.cpp79
-rw-r--r--test/style/function/source_function.test.cpp94
2 files changed, 173 insertions, 0 deletions
diff --git a/test/style/function/camera_function.test.cpp b/test/style/function/camera_function.test.cpp
new file mode 100644
index 0000000000..6cd53b0fa0
--- /dev/null
+++ b/test/style/function/camera_function.test.cpp
@@ -0,0 +1,79 @@
+#include <iostream>
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/property_evaluator.hpp>
+#include <mbgl/style/property_evaluation_parameters.hpp>
+
+using namespace mbgl;
+using namespace mbgl::style;
+
+float evaluate(PropertyValue<float> value, float zoom) {
+ return value.evaluate(PropertyEvaluator<float>(PropertyEvaluationParameters(zoom), 0));
+}
+std::string evaluate(PropertyValue<std::string> value, float zoom) {
+ return value.evaluate(PropertyEvaluator<std::string>(PropertyEvaluationParameters(zoom), ""));
+}
+bool evaluate(PropertyValue<bool> value, float zoom) {
+ return value.evaluate(PropertyEvaluator<bool>(PropertyEvaluationParameters(zoom), false));
+}
+
+TEST(CameraFunction, Constant) {
+ EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 0));
+ EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 0));
+ EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 0));
+ EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 4));
+ EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 4));
+ EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 4));
+ EXPECT_EQ(2.0f, evaluate(PropertyValue<float>(2.0), 22));
+ EXPECT_EQ(3.8f, evaluate(PropertyValue<float>(3.8), 22));
+ EXPECT_EQ(22.0f, evaluate(PropertyValue<float>(22.0), 22));
+}
+
+TEST(CameraFunction, Stops) {
+ // Explicit constant slope in fringe regions.
+ CameraFunction<float> slope_1(ExponentialStops<float> { { { 0, 1.5 }, { 6, 1.5 }, { 8, 3 }, { 22, 3 } }, 1.75});
+ EXPECT_EQ(1.5, evaluate(slope_1, 0));
+ EXPECT_EQ(1.5, evaluate(slope_1, 4));
+ EXPECT_EQ(1.5, evaluate(slope_1, 6));
+ ASSERT_FLOAT_EQ(2.0454545454545454, evaluate(slope_1, 7));
+ EXPECT_EQ(3.0, evaluate(slope_1, 8));
+ EXPECT_EQ(3.0, evaluate(slope_1, 9));
+ EXPECT_EQ(3.0, evaluate(slope_1, 15));
+ EXPECT_EQ(3.0, evaluate(slope_1, 22));
+
+
+ // Test constant values in fringe regions.
+ CameraFunction<float> slope_2(ExponentialStops<float> { { { 6, 1.5 }, { 8, 3 } }, 1.75 });
+ EXPECT_EQ(1.5, evaluate(slope_2, 0));
+ EXPECT_EQ(1.5, evaluate(slope_2, 4));
+ EXPECT_EQ(1.5, evaluate(slope_2, 6));
+ ASSERT_FLOAT_EQ(2.0454545454545454, evaluate(slope_2, 7));
+ EXPECT_EQ(3.0, evaluate(slope_2, 8));
+ EXPECT_EQ(3.0, evaluate(slope_2, 9));
+ EXPECT_EQ(3.0, evaluate(slope_2, 15));
+ EXPECT_EQ(3.0, evaluate(slope_2, 22));
+
+
+ // Explicit constant slope in fringe regions.
+ CameraFunction<float> slope_4(ExponentialStops<float> { { { 0, 2 }, { 8, 10 } }, 1 });
+ EXPECT_EQ(2, evaluate(slope_4, 0));
+ EXPECT_EQ(3, evaluate(slope_4, 1));
+ EXPECT_EQ(4, evaluate(slope_4, 2));
+ EXPECT_EQ(4.75, evaluate(slope_4, 2.75));
+ EXPECT_EQ(10, evaluate(slope_4, 8));
+
+ // discrete values
+ CameraFunction<std::string> discrete_0(IntervalStops<std::string> { {{3, "string0"}, {6, "string1"}, {9, "string2"}} });
+ EXPECT_EQ("string0", evaluate(discrete_0, 2));
+ EXPECT_EQ("string0", evaluate(discrete_0, 4));
+ EXPECT_EQ("string1", evaluate(discrete_0, 7));
+ EXPECT_EQ("string2", evaluate(discrete_0, 9));
+ EXPECT_EQ("string2", evaluate(discrete_0, 10));
+
+ CameraFunction<bool> discreteBool(IntervalStops<bool> { {{1, false}, {3, true}} });
+ EXPECT_FALSE(evaluate(discreteBool, 0));
+ EXPECT_FALSE(evaluate(discreteBool, 1));
+ EXPECT_FALSE(evaluate(discreteBool, 2));
+ EXPECT_TRUE(evaluate(discreteBool, 3));
+ EXPECT_TRUE(evaluate(discreteBool, 4));
+}
diff --git a/test/style/function/source_function.test.cpp b/test/style/function/source_function.test.cpp
new file mode 100644
index 0000000000..260620c8d0
--- /dev/null
+++ b/test/style/function/source_function.test.cpp
@@ -0,0 +1,94 @@
+#include <mbgl/test/util.hpp>
+#include <mbgl/test/stub_geometry_tile_feature.hpp>
+
+#include <mbgl/style/function/source_function.hpp>
+
+using namespace mbgl;
+using namespace mbgl::style;
+
+using namespace std::string_literals;
+
+static StubGeometryTileFeature oneInteger {
+ PropertyMap {{ "property", uint64_t(1) }}
+};
+
+static StubGeometryTileFeature oneDouble {
+ PropertyMap {{ "property", 1.0 }}
+};
+
+static StubGeometryTileFeature oneString {
+ PropertyMap {{ "property", "1"s }}
+};
+
+static StubGeometryTileFeature red {
+ PropertyMap {{ "property", "red"s }}
+};
+
+static StubGeometryTileFeature oneTwoInteger {
+ PropertyMap {{ "property", std::vector<Value>({uint64_t(1), uint64_t(2)}) }}
+};
+
+static StubGeometryTileFeature oneTwoDouble {
+ PropertyMap {{ "property", std::vector<Value>({1.0, 2.0}) }}
+};
+
+static StubGeometryTileFeature oneTwoString {
+ PropertyMap {{ "property", std::vector<Value>({"1"s, "2"s}) }}
+};
+
+static StubGeometryTileFeature trueFeature {
+ PropertyMap {{ "property", true }}
+};
+
+static StubGeometryTileFeature falseFeature {
+ PropertyMap {{ "property", false }}
+};
+
+TEST(SourceFunction, Identity) {
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", IdentityStops<float>(), 0.0f)
+ .evaluate(oneInteger, 2.0f));
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", IdentityStops<float>(), 0.0f)
+ .evaluate(oneDouble, 2.0f));
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", IdentityStops<float>(), 0.0f)
+ .evaluate(oneString, 2.0f));
+ EXPECT_EQ(2.0f, SourceFunction<float>("property", IdentityStops<float>())
+ .evaluate(oneString, 2.0f));
+
+ EXPECT_EQ(Color::red(), SourceFunction<Color>("property", IdentityStops<Color>(), Color::black())
+ .evaluate(red, Color::black()));
+ EXPECT_EQ(Color::black(), SourceFunction<Color>("property", IdentityStops<Color>(), Color::black())
+ .evaluate(oneInteger, Color::black()));
+
+ std::array<float, 2> zeroArray {{ 0, 0 }};
+ EXPECT_EQ((std::array<float, 2> {{ 1, 2 }}), (SourceFunction<std::array<float, 2>>("property", IdentityStops<std::array<float, 2>>(), zeroArray)
+ .evaluate(oneTwoInteger, zeroArray)));
+ EXPECT_EQ((std::array<float, 2> {{ 1, 2 }}), (SourceFunction<std::array<float, 2>>("property", IdentityStops<std::array<float, 2>>(), zeroArray)
+ .evaluate(oneTwoDouble, zeroArray)));
+ EXPECT_EQ((std::array<float, 2> {{ 0, 0 }}), (SourceFunction<std::array<float, 2>>("property", IdentityStops<std::array<float, 2>>(), zeroArray)
+ .evaluate(oneTwoString, zeroArray)));
+}
+
+TEST(SourceFunction, Categorical) {
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", CategoricalStops<float>({{ int64_t(1), 1.0f }}))
+ .evaluate(oneInteger, 0.0f));
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", CategoricalStops<float>({{ int64_t(1), 1.0f }}))
+ .evaluate(oneDouble, 0.0f));
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", CategoricalStops<float>({{ int64_t(1), 1.0f }}))
+ .evaluate(oneString, 0.0f));
+
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", CategoricalStops<float>({{ "1"s, 1.0f }}))
+ .evaluate(oneInteger, 0.0f));
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", CategoricalStops<float>({{ "1"s, 1.0f }}))
+ .evaluate(oneDouble, 0.0f));
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", CategoricalStops<float>({{ "1"s, 1.0f }}))
+ .evaluate(oneString, 0.0f));
+
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", CategoricalStops<float>({{ true, 1.0f }}))
+ .evaluate(trueFeature, 0.0f));
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", CategoricalStops<float>({{ true, 1.0f }}))
+ .evaluate(falseFeature, 0.0f));
+ EXPECT_EQ(0.0f, SourceFunction<float>("property", CategoricalStops<float>({{ false, 1.0f }}))
+ .evaluate(trueFeature, 0.0f));
+ EXPECT_EQ(1.0f, SourceFunction<float>("property", CategoricalStops<float>({{ false, 1.0f }}))
+ .evaluate(falseFeature, 0.0f));
+}
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