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LibC: Setup a unit test harness for LibC, add ctime_r / asctime_r tests.

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LibC is no different than any other code, it should be unit tested where
appropriate / possible.
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Brian Gianforcaro 2021-04-19 22:23:20 -07:00 • committed by Linus Groh
parent df808f0ed3
commit a1720eed2a
4 changed files with 77 additions and 0 deletions
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65
Userland/Libraries/LibC/Tests/TestLibCTime.cpp Normal file
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/*
* Copyright (c) 2021, Brian Gianforcaro <b.gianfo@gmail.com>
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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 <AK/StringView.h>
#include <AK/TestSuite.h>
#include <time.h>
const auto expected_epoch = "Thu Jan 1 00:00:00 1970\n"sv;
TEST_CASE(asctime)
{
time_t epoch = 0;
auto result = asctime(localtime(&epoch));
EXPECT_EQ(expected_epoch, StringView(result));
}
TEST_CASE(asctime_r)
{
char buffer[26] {};
time_t epoch = 0;
auto result = asctime_r(localtime(&epoch), buffer);
EXPECT_EQ(expected_epoch, StringView(result));
}
TEST_CASE(ctime)
{
time_t epoch = 0;
auto result = ctime(&epoch);
EXPECT_EQ(expected_epoch, StringView(result));
}
TEST_CASE(ctime_r)
{
char buffer[26] {};
time_t epoch = 0;
auto result = ctime_r(&epoch, buffer);
EXPECT_EQ(expected_epoch, StringView(result));
}
TEST_MAIN(LibCTime)