Web Animations API: Deferred computation of interpolated values

Source/core/animation/InterpolableValuePromiseTest.cpp

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/animation/InterpolableValuePromise.h"
+
+#include "core/animation/AnimatableDouble.h"
+#include "core/css/CSSInheritedValue.h"
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/StylePropertySet.h"
+
+#include <gtest/gtest.h>
+
+namespace WebCore {
+
+PassRefPtr<CSSValue> createCSSValue(CSSPropertyID id, const char* string)
+{
+    RefPtrWillBeRawPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::create();
+    propertySet->setProperty(id, string);
+    return propertySet->getPropertyCSSValue(id);
+}
+
+TEST(AnimationInterpolableValuePromiseTest, LateBindingInherit)
+{
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*CSSInheritedValue::create()));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, LateBindingFontUnits)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyLeft, "2em");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2ex");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2rem");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2ch");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, LateBindingViewportUnits)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyLeft, "2vw");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2vh");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2vmin");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2vmax");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, FixedUnits)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyZIndex, "2");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2px");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2cm");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "2in");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    RefPtrWillBeRawPtr<CSSPrimitiveValue> rotation = CSSPrimitiveValue::create(2, CSSPrimitiveValue::CSS_DEG);
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*rotation));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, Calc)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyLeft, "calc(5px + 30%%)");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "calc(5px + 30em)");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "calc(2 * 5px - 10%% + (4 * 20in) / 6)");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyLeft, "calc(2 * 5px - 10%% + (4 * 20vw) / 6)");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, Percent)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyLeft, "2%%");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, Color)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyColor, "red");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyColor, "rgb(1, 2, 3)");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyColor, "currentcolor");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+TEST(AnimationInterpolableValuePromiseTest, FontWeight)
+{
+    RefPtrWillBeRawPtr<CSSValue> value;
+
+    value = createCSSValue(CSSPropertyFontWeight, "400");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyFontWeight, "bold");
+    EXPECT_FALSE(InterpolableValuePromise::requiresLateBinding(*value));
+
+    value = createCSSValue(CSSPropertyFontWeight, "lighter");
+    EXPECT_TRUE(InterpolableValuePromise::requiresLateBinding(*value));
+}
+
+}