Tools/TestWebKitAPI/Tests/WTF/StringImpl.cpp

/*
 * Copyright (C) 2012 Apple Inc. All rights reserved.
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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#include "config.h"

#include <wtf/text/StringImpl.h>

namespace TestWebKitAPI {

TEST(WTF, StringImplCreationFromLiteral)
{
    // Constructor using the template to determine the size.
    RefPtr<StringImpl> stringWithTemplate = StringImpl::createFromLiteral("Template Literal");
    ASSERT_EQ(strlen("Template Literal"), stringWithTemplate->length());
    ASSERT_TRUE(equal(stringWithTemplate.get(), "Template Literal"));
    ASSERT_TRUE(stringWithTemplate->is8Bit());
    ASSERT_TRUE(stringWithTemplate->hasTerminatingNullCharacter());

    // Constructor taking the size explicitely.
    const char* programmaticStringData = "Explicit Size Literal";
    RefPtr<StringImpl> programmaticString = StringImpl::createFromLiteral(programmaticStringData, strlen(programmaticStringData));
    ASSERT_EQ(strlen(programmaticStringData), programmaticString->length());
    ASSERT_TRUE(equal(programmaticString.get(), programmaticStringData));
    ASSERT_EQ(programmaticStringData, reinterpret_cast<const char*>(programmaticString->characters8()));
    ASSERT_TRUE(programmaticString->is8Bit());
    ASSERT_TRUE(programmaticString->hasTerminatingNullCharacter());

    // Constructor without explicit size.
    const char* stringWithoutLengthLiteral = "No Size Literal";
    RefPtr<StringImpl> programmaticStringNoLength = StringImpl::createFromLiteral(stringWithoutLengthLiteral);
    ASSERT_EQ(strlen(stringWithoutLengthLiteral), programmaticStringNoLength->length());
    ASSERT_TRUE(equal(programmaticStringNoLength.get(), stringWithoutLengthLiteral));
    ASSERT_EQ(stringWithoutLengthLiteral, reinterpret_cast<const char*>(programmaticStringNoLength->characters8()));
    ASSERT_TRUE(programmaticStringNoLength->is8Bit());
    ASSERT_TRUE(programmaticStringNoLength->hasTerminatingNullCharacter());
}

TEST(WTF, StringImplFromLiteralLoop16BitConversion)
{
    RefPtr<StringImpl> controlString = StringImpl::create("Template Literal");
    for (size_t i = 0; i < 10; ++i) {
        RefPtr<StringImpl> string = StringImpl::createFromLiteral("Template Literal");

        ASSERT_EQ(0, memcmp(controlString->characters(), string->characters(), controlString->length() * sizeof(UChar)));
        ASSERT_TRUE(string->has16BitShadow());
    }
}

} // namespace TestWebKitAPI