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#include <mbgl/test/util.hpp>
#include <mbgl/style/paint_property.hpp>
using namespace mbgl;
using namespace mbgl::style;
using namespace std::literals::chrono_literals;
float evaluate(UnevaluatedPaintProperty<PropertyValue<float>>& property, Duration delta = Duration::zero()) {
PropertyEvaluationParameters parameters {
0,
TimePoint::min() + delta,
ZoomHistory(),
Duration::zero()
};
PropertyEvaluator<float> evaluator {
parameters,
0.0f
};
return property.evaluate(evaluator, parameters.now);
}
TEST(UnevaluatedPaintProperty, EvaluateDefaultValue) {
UnevaluatedPaintProperty<PropertyValue<float>> property;
ASSERT_EQ(0.0f, evaluate(property));
}
TEST(UnevaluatedPaintProperty, EvaluateUntransitionedConstant) {
UnevaluatedPaintProperty<PropertyValue<float>> property {
PropertyValue<float>(1.0f),
UnevaluatedPaintProperty<PropertyValue<float>>(),
TransitionOptions(),
TimePoint::min()
};
ASSERT_EQ(1.0f, evaluate(property));
}
TEST(UnevaluatedPaintProperty, EvaluateTransitionedConstantWithoutDelay) {
TransitionOptions transition;
transition.duration = { 1000ms };
UnevaluatedPaintProperty<PropertyValue<float>> t0 {
PropertyValue<float>(0.0f),
UnevaluatedPaintProperty<PropertyValue<float>>(),
TransitionOptions(),
TimePoint::min()
};
UnevaluatedPaintProperty<PropertyValue<float>> t1 {
PropertyValue<float>(1.0f),
t0,
transition,
TimePoint::min()
};
ASSERT_FLOAT_EQ(0.0f, evaluate(t1, 0ms));
ASSERT_FLOAT_EQ(0.823099f, evaluate(t1, 500ms));
ASSERT_FLOAT_EQ(1.0f, evaluate(t1, 1500ms));
}
TEST(UnevaluatedPaintProperty, EvaluateTransitionedConstantWithDelay) {
TransitionOptions transition;
transition.delay = { 1000ms };
transition.duration = { 1000ms };
UnevaluatedPaintProperty<PropertyValue<float>> t0 {
PropertyValue<float>(0.0f),
UnevaluatedPaintProperty<PropertyValue<float>>(),
TransitionOptions(),
TimePoint::min()
};
UnevaluatedPaintProperty<PropertyValue<float>> t1 {
PropertyValue<float>(1.0f),
t0,
transition,
TimePoint::min()
};
ASSERT_FLOAT_EQ(0.0f, evaluate(t1, 0ms));
ASSERT_FLOAT_EQ(0.0f, evaluate(t1, 500ms));
ASSERT_FLOAT_EQ(0.0f, evaluate(t1, 612ms));
ASSERT_FLOAT_EQ(0.823099f, evaluate(t1, 1500ms));
ASSERT_FLOAT_EQ(1.0f, evaluate(t1, 2500ms));
}
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