64 changes: 64 additions & 0 deletions libc/test/src/pthread/pthread_rwlockattr_test.cpp
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//===-- Unittests for pthread_rwlockattr_t --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "include/llvm-libc-macros/generic-error-number-macros.h" // EINVAL
#include "src/pthread/pthread_rwlockattr_destroy.h"
#include "src/pthread/pthread_rwlockattr_getpshared.h"
#include "src/pthread/pthread_rwlockattr_init.h"
#include "src/pthread/pthread_rwlockattr_setpshared.h"
#include "test/UnitTest/Test.h"

// TODO: https://github.com/llvm/llvm-project/issues/88997
#include <pthread.h> // PTHREAD_PROCESS_PRIVATE, PTHREAD_PROCESS_SHARED

TEST(LlvmLibcPThreadRWLockAttrTest, InitAndDestroy) {
pthread_rwlockattr_t attr;
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
}

TEST(LlvmLibcPThreadRWLockAttrTest, GetDefaultValues) {
pthread_rwlockattr_t attr;

// Invalid value.
int pshared = 42;

ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
ASSERT_EQ(pshared, PTHREAD_PROCESS_PRIVATE);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
}

TEST(LlvmLibcPThreadRWLockAttrTest, SetGoodValues) {
pthread_rwlockattr_t attr;

// Invalid value.
int pshared = 42;

ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setpshared(
&attr, PTHREAD_PROCESS_SHARED),
0);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
ASSERT_EQ(pshared, PTHREAD_PROCESS_SHARED);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
}

TEST(LlvmLibcPThreadRWLockAttrTest, SetBadValues) {
pthread_rwlockattr_t attr;

// Invalid value.
int pshared = 42;

ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setpshared(&attr, pshared),
EINVAL);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
ASSERT_EQ(pshared, PTHREAD_PROCESS_PRIVATE);
ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
}