1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 #include "core/animation/interpolation/LengthStyleInterpolation.h"
8 #include "core/css/CSSPrimitiveValue.h"
9 #include "core/css/StylePropertySet.h"
11 #include <gtest/gtest.h>
15 class AnimationLengthStyleInterpolationTest : public ::testing::Test {
17 static PassOwnPtrWillBeRawPtr<InterpolableValue> lengthToInterpolableValue(CSSValue* value)
19 return LengthStyleInterpolation::lengthToInterpolableValue(value);
22 static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToLength(InterpolableValue* value, ValueRange range)
24 return LengthStyleInterpolation::interpolableValueToLength(value, range);
27 static PassRefPtrWillBeRawPtr<CSSValue> roundTrip(PassRefPtrWillBeRawPtr<CSSValue> value)
29 return interpolableValueToLength(lengthToInterpolableValue(value.get()).get(), ValueRangeAll);
32 static void testPrimitiveValue(RefPtrWillBeRawPtr<CSSValue> value, double doubleValue, CSSPrimitiveValue::UnitType unitType)
34 EXPECT_TRUE(value->isPrimitiveValue());
35 EXPECT_EQ(doubleValue, toCSSPrimitiveValue(value.get())->getDoubleValue());
36 EXPECT_EQ(unitType, toCSSPrimitiveValue(value.get())->primitiveType());
39 static PassOwnPtrWillBeRawPtr<InterpolableList> createInterpolableLength(double a, double b, double c, double d, double e, double f, double g, double h, double i, double j)
41 OwnPtrWillBeRawPtr<InterpolableList> list = InterpolableList::create(10);
42 list->set(0, InterpolableNumber::create(a));
43 list->set(1, InterpolableNumber::create(b));
44 list->set(2, InterpolableNumber::create(c));
45 list->set(3, InterpolableNumber::create(d));
46 list->set(4, InterpolableNumber::create(e));
47 list->set(5, InterpolableNumber::create(f));
48 list->set(6, InterpolableNumber::create(g));
49 list->set(7, InterpolableNumber::create(h));
50 list->set(8, InterpolableNumber::create(i));
51 list->set(9, InterpolableNumber::create(j));
53 return list.release();
56 void initLengthArray(CSSLengthArray& lengthArray)
58 lengthArray.resize(CSSPrimitiveValue::LengthUnitTypeCount);
59 for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i)
60 lengthArray.at(i) = 0;
63 CSSLengthArray& setLengthArray(CSSLengthArray& lengthArray, String text)
65 initLengthArray(lengthArray);
66 RefPtr<MutableStylePropertySet> propertySet = MutableStylePropertySet::create();
67 propertySet->setProperty(CSSPropertyLeft, text);
68 toCSSPrimitiveValue(propertySet->getPropertyCSSValue(CSSPropertyLeft).get())->accumulateLengthArray(lengthArray);
72 bool lengthArraysEqual(CSSLengthArray& a, CSSLengthArray& b)
74 for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i) {
75 if (a.at(i) != b.at(i))
82 TEST_F(AnimationLengthStyleInterpolationTest, ZeroLength)
84 RefPtrWillBeRawPtr<CSSValue> value = roundTrip(CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PX));
85 testPrimitiveValue(value, 0, CSSPrimitiveValue::CSS_PX);
87 value = roundTrip(CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_EMS));
88 testPrimitiveValue(value, 0, CSSPrimitiveValue::CSS_PX);
91 TEST_F(AnimationLengthStyleInterpolationTest, SingleUnit)
93 RefPtrWillBeRawPtr<CSSValue> value = roundTrip(CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX));
94 testPrimitiveValue(value, 10, CSSPrimitiveValue::CSS_PX);
96 value = roundTrip(CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PERCENTAGE));
97 testPrimitiveValue(value, 30, CSSPrimitiveValue::CSS_PERCENTAGE);
99 value = roundTrip(CSSPrimitiveValue::create(-10, CSSPrimitiveValue::CSS_EMS));
100 testPrimitiveValue(value, -10, CSSPrimitiveValue::CSS_EMS);
103 TEST_F(AnimationLengthStyleInterpolationTest, SingleClampedUnit)
105 RefPtrWillBeRawPtr<CSSValue> value = CSSPrimitiveValue::create(-10, CSSPrimitiveValue::CSS_EMS);
106 value = interpolableValueToLength(lengthToInterpolableValue(value.get()).get(), ValueRangeNonNegative);
107 testPrimitiveValue(value, 0, CSSPrimitiveValue::CSS_EMS);
110 TEST_F(AnimationLengthStyleInterpolationTest, MultipleUnits)
112 CSSLengthArray actual, expectation;
113 initLengthArray(expectation);
114 OwnPtrWillBeRawPtr<InterpolableList> list = createInterpolableLength(0, 10, 0, 10, 0, 10, 0, 10, 0, 10);
115 toCSSPrimitiveValue(interpolableValueToLength(list.get(), ValueRangeAll).get())->accumulateLengthArray(expectation);
116 EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc(10%% + 10ex + 10ch + 10vh + 10vmax)")));