mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
137 lines
4.9 KiB
C++
137 lines
4.9 KiB
C++
/*
|
|
* 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 <gtest/gtest.h>
|
|
#include <limits>
|
|
#include "flutter/sky/engine/wtf/StringExtras.h"
|
|
#include "flutter/sky/engine/wtf/text/CString.h"
|
|
#include "flutter/sky/engine/wtf/text/WTFString.h"
|
|
|
|
namespace {
|
|
|
|
template<typename IntegerType> struct PrintfFormatTrait { static const char format[]; };
|
|
|
|
template<> struct PrintfFormatTrait<short> { static const char format[]; };
|
|
const char PrintfFormatTrait<short>::format[] = "%hd";
|
|
|
|
template<> struct PrintfFormatTrait<int> { static const char format[]; };
|
|
const char PrintfFormatTrait<int>::format[] = "%d";
|
|
|
|
template<> struct PrintfFormatTrait<long> { static const char format[]; };
|
|
const char PrintfFormatTrait<long>::format[] = "%ld";
|
|
|
|
template<> struct PrintfFormatTrait<long long> { static const char format[]; };
|
|
#if OS(WIN)
|
|
const char PrintfFormatTrait<long long>::format[] = "%I64i";
|
|
#else
|
|
const char PrintfFormatTrait<long long>::format[] = "%lli";
|
|
#endif // OS(WIN)
|
|
|
|
template<> struct PrintfFormatTrait<unsigned short> { static const char format[]; };
|
|
const char PrintfFormatTrait<unsigned short>::format[] = "%hu";
|
|
|
|
template<> struct PrintfFormatTrait<unsigned> { static const char format[]; };
|
|
const char PrintfFormatTrait<unsigned>::format[] = "%u";
|
|
|
|
template<> struct PrintfFormatTrait<unsigned long> { static const char format[]; };
|
|
const char PrintfFormatTrait<unsigned long>::format[] = "%lu";
|
|
|
|
template<> struct PrintfFormatTrait<unsigned long long> { static const char format[]; };
|
|
#if OS(WIN)
|
|
const char PrintfFormatTrait<unsigned long long>::format[] = "%I64u";
|
|
#else
|
|
const char PrintfFormatTrait<unsigned long long>::format[] = "%llu";
|
|
#endif // OS(WIN)
|
|
|
|
|
|
// FIXME: use snprintf from StringExtras.h
|
|
template<typename IntegerType>
|
|
void testBoundaries()
|
|
{
|
|
const unsigned bufferSize = 256;
|
|
Vector<char, bufferSize> buffer;
|
|
buffer.resize(bufferSize);
|
|
|
|
const IntegerType min = std::numeric_limits<IntegerType>::min();
|
|
CString minStringData = String::number(min).latin1();
|
|
snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, min);
|
|
EXPECT_STREQ(buffer.data(), minStringData.data());
|
|
|
|
const IntegerType max = std::numeric_limits<IntegerType>::max();
|
|
CString maxStringData = String::number(max).latin1();
|
|
snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, max);
|
|
EXPECT_STREQ(buffer.data(), maxStringData.data());
|
|
}
|
|
|
|
template<typename IntegerType>
|
|
void testNumbers()
|
|
{
|
|
const unsigned bufferSize = 256;
|
|
Vector<char, bufferSize> buffer;
|
|
buffer.resize(bufferSize);
|
|
|
|
for (int i = -100; i < 100; ++i) {
|
|
const IntegerType number = static_cast<IntegerType>(i);
|
|
CString numberStringData = String::number(number).latin1();
|
|
snprintf(buffer.data(), bufferSize, PrintfFormatTrait<IntegerType>::format, number);
|
|
EXPECT_STREQ(buffer.data(), numberStringData.data());
|
|
}
|
|
}
|
|
|
|
TEST(StringExtraTest, IntegerToStringConversionSignedIntegerBoundaries)
|
|
{
|
|
testBoundaries<short>();
|
|
testBoundaries<int>();
|
|
testBoundaries<long>();
|
|
testBoundaries<long long>();
|
|
}
|
|
|
|
TEST(StringExtraTest, IntegerToStringConversionSignedIntegerRegularNumbers)
|
|
{
|
|
testNumbers<short>();
|
|
testNumbers<int>();
|
|
testNumbers<long>();
|
|
testNumbers<long long>();
|
|
}
|
|
|
|
TEST(StringExtraTest, IntegerToStringConversionUnsignedIntegerBoundaries)
|
|
{
|
|
testBoundaries<unsigned short>();
|
|
testBoundaries<unsigned>();
|
|
testBoundaries<unsigned long>();
|
|
testBoundaries<unsigned long long>();
|
|
}
|
|
|
|
TEST(StringExtraTest, IntegerToStringConversionUnsignedIntegerRegularNumbers)
|
|
{
|
|
testNumbers<unsigned short>();
|
|
testNumbers<unsigned>();
|
|
testNumbers<unsigned long>();
|
|
testNumbers<unsigned long long>();
|
|
}
|
|
|
|
} // namespace
|