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/*
* Copyright (C) 2021 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/StringToIntegerConversion.h>
namespace TestWebKitAPI {
TEST(WTF, ParseInteger)
{
EXPECT_EQ(std::nullopt, parseInteger<int>({ }));
EXPECT_EQ(std::nullopt, parseInteger<int>(""_s));
EXPECT_EQ(0, parseInteger<int>("0"_s));
EXPECT_EQ(1, parseInteger<int>("1"_s));
EXPECT_EQ(3, parseInteger<int>("3"_s));
EXPECT_EQ(-3, parseInteger<int>("-3"_s));
EXPECT_EQ(12345, parseInteger<int>("12345"_s));
EXPECT_EQ(-12345, parseInteger<int>("-12345"_s));
EXPECT_EQ(2147483647, parseInteger<int>("2147483647"_s));
EXPECT_EQ(std::nullopt, parseInteger<int>("2147483648"_s));
EXPECT_EQ(-2147483647 - 1, parseInteger<int>("-2147483648"_s));
EXPECT_EQ(std::nullopt, parseInteger<int>("-2147483649"_s));
EXPECT_EQ(std::nullopt, parseInteger<int>("x1"_s));
EXPECT_EQ(1, parseInteger<int>(" 1"_s));
EXPECT_EQ(std::nullopt, parseInteger<int>("1x"_s));
EXPECT_EQ(0U, 0U + *parseInteger<uint16_t>("0"_s));
EXPECT_EQ(3U, 0U + *parseInteger<uint16_t>("3"_s));
EXPECT_EQ(12345U, 0U + *parseInteger<uint16_t>("12345"_s));
EXPECT_EQ(65535U, 0U + *parseInteger<uint16_t>("65535"_s));
EXPECT_EQ(std::nullopt, parseInteger<uint16_t>("-1"_s));
EXPECT_EQ(std::nullopt, parseInteger<uint16_t>("-3"_s));
EXPECT_EQ(std::nullopt, parseInteger<uint16_t>("65536"_s));
}
TEST(WTF, ParseIntegerAllowingTrailingJunk)
{
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<int>({ }));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<int>(""_s));
EXPECT_EQ(0, parseIntegerAllowingTrailingJunk<int>("0"_s));
EXPECT_EQ(1, parseIntegerAllowingTrailingJunk<int>("1"_s));
EXPECT_EQ(3, parseIntegerAllowingTrailingJunk<int>("3"_s));
EXPECT_EQ(-3, parseIntegerAllowingTrailingJunk<int>("-3"_s));
EXPECT_EQ(12345, parseIntegerAllowingTrailingJunk<int>("12345"_s));
EXPECT_EQ(-12345, parseIntegerAllowingTrailingJunk<int>("-12345"_s));
EXPECT_EQ(2147483647, parseIntegerAllowingTrailingJunk<int>("2147483647"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<int>("2147483648"_s));
EXPECT_EQ(-2147483647 - 1, parseIntegerAllowingTrailingJunk<int>("-2147483648"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<int>("-2147483649"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<int>("x1"_s));
EXPECT_EQ(1, parseIntegerAllowingTrailingJunk<int>(" 1"_s));
EXPECT_EQ(1, parseIntegerAllowingTrailingJunk<int>("1x"_s));
EXPECT_EQ(0U, 0U + *parseIntegerAllowingTrailingJunk<uint16_t>("0"_s));
EXPECT_EQ(3U, 0U + *parseIntegerAllowingTrailingJunk<uint16_t>("3"_s));
EXPECT_EQ(12345U, 0U + *parseIntegerAllowingTrailingJunk<uint16_t>("12345"_s));
EXPECT_EQ(65535U, 0U + *parseIntegerAllowingTrailingJunk<uint16_t>("65535"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<uint16_t>("-1"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<uint16_t>("-3"_s));
EXPECT_EQ(std::nullopt, parseIntegerAllowingTrailingJunk<uint16_t>("65536"_s));
}
} // namespace TestWebKitAPI
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