Tools/TestWebKitAPI/Tests/WTF/cf/SpanCF.cpp

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#include "config.h"
#include <wtf/cf/SpanCF.h>

namespace TestWebKitAPI {

TEST(WTFSpanCF, Empty)
{
    auto data = adoptCF(CFDataCreate(nullptr, nullptr, 0));

    {
        auto span = asBytes(data.get());
        EXPECT_EQ(span.size(), 0u);
        EXPECT_EQ(span.data(), nullptr);
    }

    {
        auto span = asBytes(data);
        EXPECT_EQ(span.size(), 0u);
        EXPECT_EQ(span.data(), nullptr);
    }
}

TEST(WTFSpanCF, Bytes)
{
    const uint8_t input[4] = { 1, 2, 3, 4 };
    auto data = adoptCF(CFDataCreateWithBytesNoCopy(nullptr, input, 4, kCFAllocatorNull));

    {
        auto span = asBytes(data.get());
        EXPECT_EQ(span.size(), 4u);
        EXPECT_EQ(reinterpret_cast<const uint8_t*>(span.data()), input);
    }

    {
        auto span = asBytes(data);
        EXPECT_EQ(span.size(), 4u);
        EXPECT_EQ(reinterpret_cast<const uint8_t*>(span.data()), input);
    }
}

}