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