third_party/WebKit/Source/core/animation/LengthPairStyleInterpolationTest.cpp

   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.
   4
   5 #include "config.h"
   6 #include "core/animation/LengthPairStyleInterpolation.h"
   7
   8 #include "core/css/CSSPrimitiveValue.h"
   9 #include "core/css/CSSValue.h"
  10 #include "core/css/Pair.h"
  11 #include "core/css/StylePropertySet.h"
  12
  13 #include <gtest/gtest.h>
  14
  15 namespace blink {
  16
  17 class LengthPairStyleInterpolationTest : public ::testing::Test {
  18
  19 protected:
  20     static PassOwnPtrWillBeRawPtr<InterpolableValue> lengthPairToInterpolableValue(const CSSValue& value)
  21     {
  22         return LengthPairStyleInterpolation::lengthPairToInterpolableValue(value);
  23     }
  24
  25     static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToLengthPair(InterpolableValue* value, InterpolationRange range)
  26     {
  27         return LengthPairStyleInterpolation::interpolableValueToLengthPair(value, range);
  28     }
  29
  30     static PassRefPtrWillBeRawPtr<CSSValue> roundTrip(PassRefPtrWillBeRawPtr<CSSValue> value, InterpolationRange range)
  31     {
  32         return interpolableValueToLengthPair(lengthPairToInterpolableValue(*value).get(), range);
  33     }
  34
  35     static void testPrimitiveValue(RefPtrWillBeRawPtr<CSSValue> value, double first, double second, CSSPrimitiveValue::UnitType unitType)
  36     {
  37         EXPECT_TRUE(value->isPrimitiveValue());
  38
  39         Pair* pair = toCSSPrimitiveValue(value.get())->getPairValue();
  40         ASSERT_TRUE(pair);
  41
  42         EXPECT_EQ(pair->first()->getDoubleValue(), first);
  43         EXPECT_EQ(pair->second()->getDoubleValue(), second);
  44
  45         EXPECT_EQ(pair->first()->primitiveType(), unitType);
  46         EXPECT_EQ(pair->second()->primitiveType(), unitType);
  47     }
  48 };
  49
  50 TEST_F(LengthPairStyleInterpolationTest, ZeroTest)
  51 {
  52     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPx = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PX);
  53     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPx = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PX);
  54     RefPtrWillBeRawPtr<Pair> pairPx = Pair::create(firstPx, secondPx, Pair::KeepIdenticalValues);
  55     RefPtrWillBeRawPtr<CSSValue> value1 = roundTrip(CSSPrimitiveValue::create(pairPx.release()), RangeNonNegative);
  56     testPrimitiveValue(value1, 0, 0, CSSPrimitiveValue::CSS_PX);
  57
  58     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPc = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
  59     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPc = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
  60     RefPtrWillBeRawPtr<Pair> pairPc = Pair::create(firstPc, secondPc, Pair::KeepIdenticalValues);
  61     RefPtrWillBeRawPtr<CSSValue> value2 = roundTrip(CSSPrimitiveValue::create(pairPc.release()), RangeNonNegative);
  62     testPrimitiveValue(value2, 0, 0, CSSPrimitiveValue::CSS_PERCENTAGE);
  63
  64     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstEms = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_EMS);
  65     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondEms = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_EMS);
  66     RefPtrWillBeRawPtr<Pair> pairEms = Pair::create(firstEms, secondEms, Pair::KeepIdenticalValues);
  67     RefPtrWillBeRawPtr<CSSValue> value3 = roundTrip(CSSPrimitiveValue::create(pairEms.release()), RangeNonNegative);
  68     testPrimitiveValue(value3, 0, 0, CSSPrimitiveValue::CSS_EMS);
  69
  70     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPcNeg = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
  71     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPcNeg = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PERCENTAGE);
  72     RefPtrWillBeRawPtr<Pair> pairPcNeg = Pair::create(firstPcNeg, secondPcNeg, Pair::KeepIdenticalValues);
  73     RefPtrWillBeRawPtr<CSSValue> value4 = roundTrip(CSSPrimitiveValue::create(pairPcNeg.release()), RangeAll);
  74     testPrimitiveValue(value4, 0, 0, CSSPrimitiveValue::CSS_PERCENTAGE);
  75 }
  76
  77 TEST_F(LengthPairStyleInterpolationTest, MultipleValueTest)
  78 {
  79     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPx = CSSPrimitiveValue::create(10, CSSPrimitiveValue::CSS_PX);
  80     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPx = CSSPrimitiveValue::create(20, CSSPrimitiveValue::CSS_PX);
  81     RefPtrWillBeRawPtr<Pair> pairPx = Pair::create(firstPx, secondPx, Pair::KeepIdenticalValues);
  82     RefPtrWillBeRawPtr<CSSValue> value5 = roundTrip(CSSPrimitiveValue::create(pairPx.release()), RangeNonNegative);
  83     testPrimitiveValue(value5, 10, 20, CSSPrimitiveValue::CSS_PX);
  84
  85     RefPtrWillBeRawPtr<CSSPrimitiveValue> firstPc = CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PERCENTAGE);
  86     RefPtrWillBeRawPtr<CSSPrimitiveValue> secondPc = CSSPrimitiveValue::create(-30, CSSPrimitiveValue::CSS_PERCENTAGE);
  87     RefPtrWillBeRawPtr<Pair> pairPc = Pair::create(firstPc, secondPc, Pair::KeepIdenticalValues);
  88     RefPtrWillBeRawPtr<CSSValue> value6 = roundTrip(CSSPrimitiveValue::create(pairPc.release()), RangeNonNegative);
  89     testPrimitiveValue(value6, 30, 0, CSSPrimitiveValue::CSS_PERCENTAGE);
  90 }
  91
  92 }