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-rw-r--r--test/programs/symbol_program.test.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/test/programs/symbol_program.test.cpp b/test/programs/symbol_program.test.cpp
new file mode 100644
index 0000000000..ef1e71c269
--- /dev/null
+++ b/test/programs/symbol_program.test.cpp
@@ -0,0 +1,61 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/programs/symbol_program.hpp>
+
+using namespace mbgl;
+
+TEST(SymbolProgram, SymbolSizeBinder) {
+ auto binder = SymbolSizeBinder::create(5.0f, 12.0f, 0.0f);
+ auto uniformValues = binder->uniformValues(5.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 12.0f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 12.0f);
+
+ binder = SymbolSizeBinder::create(1.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
+ {0.0f, 8.0f},
+ {10.0f, 18.0f}
+ }, 1.0f)), 0.0f);
+ uniformValues = binder->uniformValues(1.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 9.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 10.0f);
+
+ binder = SymbolSizeBinder::create(0.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
+ {1.0f, 8.0f},
+ {11.0f, 18.0f}
+ }, 1.0f)), 0.0f);
+ uniformValues = binder->uniformValues(0.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 8.0f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 8.0f);
+
+ binder = SymbolSizeBinder::create(12.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
+ {1.0f, 8.0f},
+ {11.0f, 18.0f}
+ }, 1.0f)), 0.0f);
+ uniformValues = binder->uniformValues(12.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 18.0f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 18.0f);
+
+ binder = SymbolSizeBinder::create(0.0f, style::SourceFunction<float>("x", style::ExponentialStops<float>({
+ {1.0f, 8.0f},
+ {11.0f, 18.0f}
+ }, 1.0f)), 0.0f);
+ uniformValues = binder->uniformValues(12.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, true);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, false);
+
+ binder = SymbolSizeBinder::create(5.0f, style::CompositeFunction<float>("x", style::CompositeExponentialStops<float>({
+ {1.0f, {{0.0f, 8.0f}, {100.0f, 18.0f}}},
+ {11.0f, {{0.0f, 12.0f}, {100.0f, 24.9f}}}
+ }, 1.0f)), 0.0f);
+ uniformValues = binder->uniformValues(5.5f);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
+ EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, false);
+ EXPECT_EQ(uniformValues.get<uniforms::u_size_t>().t, 0.45f);
+}