Tools/TestWebKitAPI/Tests/WebCore/ExtendedColor.cpp

/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
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#include "config.h"

#include "Test.h"
#include "WTFStringUtilities.h"
#include <WebCore/Color.h>

using namespace WebCore;

namespace TestWebKitAPI {

TEST(ExtendedColor, Constructor)
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());
    EXPECT_FLOAT_EQ(1.0, c1.asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c1.asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c1.asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c1.asExtended().alpha());
    EXPECT_EQ(1u, c1.asExtended().refCount());
    EXPECT_EQ(c1.cssText(), "color(display-p3 1 0.5 0.25)");
}

TEST(ExtendedColor, CopyConstructor)
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());

    Color c2(c1);

    EXPECT_FLOAT_EQ(1.0, c2.asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c2.asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c2.asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c2.asExtended().alpha());
    EXPECT_EQ(2u, c1.asExtended().refCount());
    EXPECT_EQ(2u, c2.asExtended().refCount());
    EXPECT_EQ(c2.cssText(), "color(display-p3 1 0.5 0.25)");
}

TEST(ExtendedColor, Assignment)
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());

    Color c2 = c1;

    EXPECT_FLOAT_EQ(1.0, c2.asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c2.asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c2.asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c2.asExtended().alpha());
    EXPECT_EQ(2u, c1.asExtended().refCount());
    EXPECT_EQ(2u, c2.asExtended().refCount());
    EXPECT_EQ(c2.cssText(), "color(display-p3 1 0.5 0.25)");
}

TEST(ExtendedColor, MoveConstructor)
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());

    Color c2(WTFMove(c1));
    // We should have moved the extended color pointer into c2,
    // and set c1 to invalid so that it doesn't cause deletion.
    EXPECT_FALSE(c1.isExtended());
    EXPECT_FALSE(c1.isValid());

    EXPECT_FLOAT_EQ(1.0, c2.asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c2.asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c2.asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c2.asExtended().alpha());
    EXPECT_EQ(1u, c2.asExtended().refCount());
    EXPECT_EQ(c2.cssText(), "color(display-p3 1 0.5 0.25)");
}

TEST(ExtendedColor, MoveAssignment)
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());

    Color c2 = WTFMove(c1);

    // We should have moved the extended color pointer into c2,
    // and set c1 to invalid so that it doesn't cause deletion.
    EXPECT_FALSE(c1.isExtended());
    EXPECT_FALSE(c1.isValid());

    EXPECT_FLOAT_EQ(1.0, c2.asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c2.asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c2.asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c2.asExtended().alpha());
    EXPECT_EQ(1u, c2.asExtended().refCount());
    EXPECT_EQ(c2.cssText(), "color(display-p3 1 0.5 0.25)");
}

TEST(ExtendedColor, BasicReferenceCounting)
{
    Color* c1 = new Color(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1->isExtended());

    Color* c2 = new Color(*c1);
    Color* c3 = new Color(*c2);

    EXPECT_FLOAT_EQ(1.0, c2->asExtended().red());
    EXPECT_FLOAT_EQ(0.5, c2->asExtended().green());
    EXPECT_FLOAT_EQ(0.25, c2->asExtended().blue());
    EXPECT_FLOAT_EQ(1.0, c2->asExtended().alpha());
    EXPECT_EQ(3u, c2->asExtended().refCount());
    EXPECT_EQ(c2->cssText(), "color(display-p3 1 0.5 0.25)");

    delete c1;
    EXPECT_EQ(2u, c2->asExtended().refCount());

    delete c2;
    EXPECT_EQ(1u, c3->asExtended().refCount());

    delete c3;
}

Color makeColor()
{
    Color c1(1.0, 0.5, 0.25, 1.0, ColorSpaceDisplayP3);
    EXPECT_TRUE(c1.isExtended());
    EXPECT_EQ(1u, c1.asExtended().refCount());

    return c1;
}

TEST(ExtendedColor, ReturnValues)
{
    Color c2 = makeColor();
    EXPECT_TRUE(c2.isExtended());

    EXPECT_EQ(1u, c2.asExtended().refCount());
    EXPECT_EQ(c2.cssText(), "color(display-p3 1 0.5 0.25)");
}


} // namespace TestWebKitAPI