third_party/WebKit/Source/platform/animation/AnimationTranslationUtilTest.cpp

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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#include "platform/animation/AnimationTranslationUtil.h"

#include "platform/animation/CompositorTransformOperations.h"
#include "platform/graphics/CompositorFilterOperations.h"
#include "platform/graphics/filters/FilterOperations.h"
#include "platform/transforms/Matrix3DTransformOperation.h"
#include "platform/transforms/RotateTransformOperation.h"
#include "platform/transforms/ScaleTransformOperation.h"
#include "platform/transforms/TransformOperations.h"
#include "platform/transforms/TranslateTransformOperation.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "wtf/RefPtr.h"

namespace blink {

TEST(AnimationTranslationUtilTest, transformsWork)
{
    TransformOperations ops;
    CompositorTransformOperations outOps;

    ops.operations().append(TranslateTransformOperation::create(Length(2, Fixed), Length(0, Fixed), TransformOperation::TranslateX));
    ops.operations().append(RotateTransformOperation::create(0.1, 0.2, 0.3, 200000.4, TransformOperation::Rotate3D));
    ops.operations().append(ScaleTransformOperation::create(50.2, 100, -4, TransformOperation::Scale3D));
    toCompositorTransformOperations(ops, &outOps);

    EXPECT_EQ(3UL, outOps.asTransformOperations().size());
    const float err = 0.0001;

    auto& op0 = outOps.asTransformOperations().at(0);
    EXPECT_EQ(cc::TransformOperation::TRANSFORM_OPERATION_TRANSLATE, op0.type);
    EXPECT_NEAR(op0.translate.x, 2.0f, err);
    EXPECT_NEAR(op0.translate.y, 0.0f, err);
    EXPECT_NEAR(op0.translate.z, 0.0f, err);

    auto& op1 = outOps.asTransformOperations().at(1);
    EXPECT_EQ(cc::TransformOperation::TRANSFORM_OPERATION_ROTATE, op1.type);
    EXPECT_NEAR(op1.rotate.axis.x, 0.1f, err);
    EXPECT_NEAR(op1.rotate.axis.y, 0.2f, err);
    EXPECT_NEAR(op1.rotate.axis.z, 0.3f, err);
    EXPECT_NEAR(op1.rotate.angle, 200000.4f, 0.01f);

    auto& op2 = outOps.asTransformOperations().at(2);
    EXPECT_EQ(cc::TransformOperation::TRANSFORM_OPERATION_SCALE, op2.type);
    EXPECT_NEAR(op2.scale.x, 50.2f, err);
    EXPECT_NEAR(op2.scale.y, 100.0f, err);
    EXPECT_NEAR(op2.scale.z, -4.0f, err);
}

TEST(AnimationTranslationUtilTest, filtersWork)
{
    FilterOperations ops;
    CompositorFilterOperations outOps;

    ops.operations().append(BasicColorMatrixFilterOperation::create(0.5, FilterOperation::SATURATE));
    ops.operations().append(BasicColorMatrixFilterOperation::create(0.2, FilterOperation::GRAYSCALE));
    ops.operations().append(BasicColorMatrixFilterOperation::create(0.8, FilterOperation::SEPIA));
    ops.operations().append(BasicComponentTransferFilterOperation::create(0.1, FilterOperation::OPACITY));
    toCompositorFilterOperations(ops, &outOps);

    EXPECT_EQ(4UL, outOps.asFilterOperations().size());
    const float err = 0.0001;

    auto& op0 = outOps.asFilterOperations().at(0);
    EXPECT_EQ(cc::FilterOperation::SATURATE, op0.type());
    EXPECT_NEAR(op0.amount(), 0.5f, err);

    auto& op1 = outOps.asFilterOperations().at(1);
    EXPECT_EQ(cc::FilterOperation::GRAYSCALE, op1.type());
    EXPECT_NEAR(op1.amount(), 0.2f, err);

    auto& op2 = outOps.asFilterOperations().at(2);
    EXPECT_EQ(cc::FilterOperation::SEPIA, op2.type());
    EXPECT_NEAR(op2.amount(), 0.8f, err);

    auto& op3 = outOps.asFilterOperations().at(3);
    EXPECT_EQ(cc::FilterOperation::OPACITY, op3.type());
    EXPECT_NEAR(op3.amount(), 0.1f, err);
}

} // namespace blink