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/*
* Copyright (c) 2021, Rodrigo Tobar <rtobarc@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibPthread/pthread.h>
#include <LibTest/TestCase.h>
TEST_CASE(rwlock_init)
{
pthread_rwlock_t lock;
auto result = pthread_rwlock_init(&lock, nullptr);
EXPECT_EQ(0, result);
}
TEST_CASE(rwlock_rdlock)
{
pthread_rwlock_t lock;
auto result = pthread_rwlock_init(&lock, nullptr);
EXPECT_EQ(0, result);
result = pthread_rwlock_rdlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_rdlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_rdlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
}
TEST_CASE(rwlock_wrlock)
{
pthread_rwlock_t lock;
auto result = pthread_rwlock_init(&lock, nullptr);
EXPECT_EQ(0, result);
result = pthread_rwlock_wrlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
}
TEST_CASE(rwlock_rwr_sequence)
{
pthread_rwlock_t lock;
auto result = pthread_rwlock_init(&lock, nullptr);
EXPECT_EQ(0, result);
result = pthread_rwlock_rdlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_wrlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_rdlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
}
TEST_CASE(rwlock_wrlock_init_in_once)
{
static pthread_rwlock_t lock;
static pthread_once_t once1 = PTHREAD_ONCE_INIT;
static pthread_once_t once2 = PTHREAD_ONCE_INIT;
static pthread_once_t once3 = PTHREAD_ONCE_INIT;
pthread_once(&once1, []() {
pthread_once(&once2, []() {
pthread_once(&once3, []() {
auto result = pthread_rwlock_init(&lock, nullptr);
EXPECT_EQ(0, result);
});
});
});
auto result = pthread_rwlock_wrlock(&lock);
EXPECT_EQ(0, result);
result = pthread_rwlock_unlock(&lock);
EXPECT_EQ(0, result);
}
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