b8e1cc5c72
Use ErrnoCheckingTest harness to clear out / validate errno value before/after the test respectively. Clean up explicit libc_errno.h inclusions which is unnecessary, since no test modifies errno directly.
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
//===-- Unittests for asctime_r -------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "hdr/errno_macros.h"
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#include "src/time/asctime_r.h"
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#include "src/time/time_constants.h"
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#include "test/UnitTest/ErrnoCheckingTest.h"
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#include "test/UnitTest/Test.h"
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#include "test/src/time/TmHelper.h"
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using LlvmLibcAsctimeR = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
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static inline char *call_asctime_r(struct tm *tm_data, int year, int month,
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int mday, int hour, int min, int sec,
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int wday, int yday, char *buffer) {
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LIBC_NAMESPACE::tmhelper::testing::initialize_tm_data(
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tm_data, year, month, mday, hour, min, sec, wday, yday);
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return LIBC_NAMESPACE::asctime_r(tm_data, buffer);
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}
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// asctime and asctime_r share the same code and thus didn't repeat all the
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// tests from asctime. Added couple of validation tests.
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TEST_F(LlvmLibcAsctimeR, Nullptr) {
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char *result;
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result = LIBC_NAMESPACE::asctime_r(nullptr, nullptr);
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ASSERT_ERRNO_EQ(EINVAL);
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ASSERT_STREQ(nullptr, result);
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char buffer[LIBC_NAMESPACE::time_constants::ASCTIME_BUFFER_SIZE];
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result = LIBC_NAMESPACE::asctime_r(nullptr, buffer);
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ASSERT_ERRNO_EQ(EINVAL);
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ASSERT_STREQ(nullptr, result);
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struct tm tm_data;
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result = LIBC_NAMESPACE::asctime_r(&tm_data, nullptr);
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ASSERT_ERRNO_EQ(EINVAL);
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ASSERT_STREQ(nullptr, result);
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}
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TEST_F(LlvmLibcAsctimeR, ValidDate) {
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char buffer[LIBC_NAMESPACE::time_constants::ASCTIME_BUFFER_SIZE];
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struct tm tm_data;
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char *result;
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// 1970-01-01 00:00:00. Test with a valid buffer size.
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result = call_asctime_r(&tm_data,
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1970, // year
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1, // month
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1, // day
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0, // hr
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0, // min
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0, // sec
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4, // wday
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0, // yday
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buffer);
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ASSERT_STREQ("Thu Jan 1 00:00:00 1970\n", result);
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}
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