Source/wtf/text/TextCodecUTF8Test.cpp

/*
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#include "config.h"

#include "wtf/text/TextCodecUTF8.h"

#include "wtf/OwnPtr.h"
#include "wtf/text/TextCodec.h"
#include "wtf/text/TextEncoding.h"
#include "wtf/text/TextEncodingRegistry.h"
#include "wtf/text/WTFString.h"
#include <gtest/gtest.h>

namespace WTF {

namespace {

TEST(TextCodecUTF8, DecodeAscii)
{
    TextEncoding encoding("UTF-8");
    OwnPtr<TextCodec> codec(newTextCodec(encoding));

    const char testCase[] = "HelloWorld";
    size_t testCaseSize = sizeof(testCase) - 1;

    bool sawError = false;
    const String& result = codec->decode(testCase, testCaseSize, true, false, sawError);
    EXPECT_FALSE(sawError);
    ASSERT_EQ(testCaseSize, result.length());
    for (size_t i = 0; i < testCaseSize; ++i) {
        EXPECT_EQ(testCase[i], result[i]);
    }
}

TEST(TextCodecUTF8, DecodeChineseCharacters)
{
    TextEncoding encoding("UTF-8");
    OwnPtr<TextCodec> codec(newTextCodec(encoding));

    // "Kanji" in Chinese characters.
    const char testCase[] = "\xe6\xbc\xa2\xe5\xad\x97";
    size_t testCaseSize = sizeof(testCase) - 1;

    bool sawError = false;
    const String& result = codec->decode(testCase, testCaseSize, true, false, sawError);
    EXPECT_FALSE(sawError);
    ASSERT_EQ(2u, result.length());
    EXPECT_EQ(0x6f22U, result[0]);
    EXPECT_EQ(0x5b57U, result[1]);
}

TEST(TextCodecUTF8, Decode0xFF)
{
    TextEncoding encoding("UTF-8");
    OwnPtr<TextCodec> codec(newTextCodec(encoding));

    bool sawError = false;
    const String& result = codec->decode("\xff", 1, true, false, sawError);
    EXPECT_TRUE(sawError);
    ASSERT_EQ(1u, result.length());
    EXPECT_EQ(0xFFFDU, result[0]);
}

} // namespace

} // namespace WTF