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authorJohn Firebaugh <john.firebaugh@gmail.com>2017-01-17 11:48:37 -0800
committerJohn Firebaugh <john.firebaugh@gmail.com>2017-01-17 15:18:14 -0600
commit531a1c3070a098b5b31082c0500f0a3ce6a500bb (patch)
treedc01f3f1b164fc564624d498aea02b6c42576cd8 /test/style
parentb04e11b5ca377e288b9ad27406603e4e1076a375 (diff)
downloadqtlocation-mapboxgl-531a1c3070a098b5b31082c0500f0a3ce6a500bb.tar.gz
[core] Fix calculation of delayed transitions
Diffstat (limited to 'test/style')
-rw-r--r--test/style/paint_property.test.cpp94
1 files changed, 94 insertions, 0 deletions
diff --git a/test/style/paint_property.test.cpp b/test/style/paint_property.test.cpp
new file mode 100644
index 0000000000..487dbe9652
--- /dev/null
+++ b/test/style/paint_property.test.cpp
@@ -0,0 +1,94 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/paint_property.hpp>
+
+using namespace mbgl;
+using namespace mbgl::style;
+using namespace std::literals::chrono_literals;
+
+TEST(UnevaluatedPaintProperty, EvaluateDefaultValue) {
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> property;
+ ASSERT_EQ(0.0f, property.evaluate(PropertyEvaluationParameters(0), 0.0f));
+}
+
+TEST(UnevaluatedPaintProperty, EvaluateUntransitionedConstant) {
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> property {
+ PropertyValue<float>(1.0f),
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>>(),
+ TransitionOptions(),
+ TimePoint::min()
+ };
+
+ ASSERT_EQ(1.0f, property.evaluate(PropertyEvaluationParameters(0), 0.0f));
+}
+
+TEST(UnevaluatedPaintProperty, EvaluateTransitionedConstantWithoutDelay) {
+ TransitionOptions transition;
+ transition.duration = { 1000ms };
+
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> t0 {
+ PropertyValue<float>(0.0f),
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>>(),
+ TransitionOptions(),
+ TimePoint::min()
+ };
+
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> t1 {
+ PropertyValue<float>(1.0f),
+ t0,
+ transition,
+ TimePoint::min()
+ };
+
+ auto evaluate = [&] (Duration delta) {
+ PropertyEvaluationParameters parameters {
+ 0,
+ TimePoint::min() + delta,
+ ZoomHistory(),
+ Duration::zero()
+ };
+
+ return t1.evaluate(parameters, 0.0f);
+ };
+
+ ASSERT_FLOAT_EQ(0.0f, evaluate(0ms));
+ ASSERT_FLOAT_EQ(0.823099f, evaluate(500ms));
+ ASSERT_FLOAT_EQ(1.0f, evaluate(1500ms));
+}
+
+TEST(UnevaluatedPaintProperty, EvaluateTransitionedConstantWithDelay) {
+ TransitionOptions transition;
+ transition.delay = { 1000ms };
+ transition.duration = { 1000ms };
+
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> t0 {
+ PropertyValue<float>(0.0f),
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>>(),
+ TransitionOptions(),
+ TimePoint::min()
+ };
+
+ UnevaluatedPaintProperty<float, PropertyEvaluator<float>> t1 {
+ PropertyValue<float>(1.0f),
+ t0,
+ transition,
+ TimePoint::min()
+ };
+
+ auto evaluate = [&] (Duration delta) {
+ PropertyEvaluationParameters parameters {
+ 0,
+ TimePoint::min() + delta,
+ ZoomHistory(),
+ Duration::zero()
+ };
+
+ return t1.evaluate(parameters, 0.0f);
+ };
+
+ ASSERT_FLOAT_EQ(0.0f, evaluate(0ms));
+ ASSERT_FLOAT_EQ(0.0f, evaluate(500ms));
+ ASSERT_FLOAT_EQ(0.0f, evaluate(612ms));
+ ASSERT_FLOAT_EQ(0.823099f, evaluate(1500ms));
+ ASSERT_FLOAT_EQ(1.0f, evaluate(2500ms));
+}