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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <wtf/text/CString.h>
TEST(WTF, CStringNullStringConstructor)
{
CString string;
ASSERT_TRUE(string.isNull());
ASSERT_EQ(string.data(), static_cast<const char*>(0));
ASSERT_EQ(string.length(), static_cast<size_t>(0));
CString stringFromCharPointer(static_cast<const char*>(0));
ASSERT_TRUE(stringFromCharPointer.isNull());
ASSERT_EQ(stringFromCharPointer.data(), static_cast<const char*>(0));
ASSERT_EQ(stringFromCharPointer.length(), static_cast<size_t>(0));
CString stringFromCharAndLength(static_cast<const char*>(0), 0);
ASSERT_TRUE(stringFromCharAndLength.isNull());
ASSERT_EQ(stringFromCharAndLength.data(), static_cast<const char*>(0));
ASSERT_EQ(stringFromCharAndLength.length(), static_cast<size_t>(0));
}
TEST(WTF, CStringEmptyEmptyConstructor)
{
const char* emptyString = "";
CString string(emptyString);
ASSERT_FALSE(string.isNull());
ASSERT_EQ(string.length(), static_cast<size_t>(0));
ASSERT_EQ(string.data()[0], 0);
CString stringWithLength(emptyString, 0);
ASSERT_FALSE(stringWithLength.isNull());
ASSERT_EQ(stringWithLength.length(), static_cast<size_t>(0));
ASSERT_EQ(stringWithLength.data()[0], 0);
}
TEST(WTF, CStringEmptyRegularConstructor)
{
const char* referenceString = "WebKit";
CString string(referenceString);
ASSERT_FALSE(string.isNull());
ASSERT_EQ(string.length(), strlen(referenceString));
ASSERT_STREQ(referenceString, string.data());
CString stringWithLength(referenceString, 6);
ASSERT_FALSE(stringWithLength.isNull());
ASSERT_EQ(stringWithLength.length(), strlen(referenceString));
ASSERT_STREQ(referenceString, stringWithLength.data());
}
TEST(WTF, CStringUninitializedConstructor)
{
char* buffer;
CString emptyString = CString::newUninitialized(0, buffer);
ASSERT_FALSE(emptyString.isNull());
ASSERT_EQ(buffer, emptyString.data());
ASSERT_EQ(buffer[0], 0);
const size_t length = 25;
CString uninitializedString = CString::newUninitialized(length, buffer);
ASSERT_FALSE(uninitializedString.isNull());
ASSERT_EQ(buffer, uninitializedString.data());
ASSERT_EQ(uninitializedString.data()[length], 0);
}
TEST(WTF, CStringZeroTerminated)
{
const char* referenceString = "WebKit";
CString stringWithLength(referenceString, 3);
ASSERT_EQ(stringWithLength.data()[3], 0);
}
TEST(WTF, CStringCopyOnWrite)
{
const char* initialString = "Webkit";
CString string(initialString);
CString copy = string;
string.mutableData()[3] = 'K';
ASSERT_TRUE(string != copy);
ASSERT_STREQ(string.data(), "WebKit");
ASSERT_STREQ(copy.data(), initialString);
}
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