| /* |
| * 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 "sky/engine/wtf/StringExtras.h" |
| #include "sky/engine/wtf/text/CString.h" |
| #include "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 |