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91 lines
2.4 KiB
91 lines
2.4 KiB
#include <gtest/gtest.h>
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#include "AllocationTestHarness.h"
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#include <base/logging.h>
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#include <sys/select.h>
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#include <unistd.h>
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#include "common/message_loop_thread.h"
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#include "osi/include/osi.h"
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#include "osi/include/reactor.h"
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#include "osi/include/semaphore.h"
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using bluetooth::common::MessageLoopThread;
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struct SemaphoreTestSequenceHelper {
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semaphore_t* semaphore;
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int counter;
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};
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namespace {
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void sleep_then_increment_counter(void* context) {
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SemaphoreTestSequenceHelper* helper =
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reinterpret_cast<SemaphoreTestSequenceHelper*>(context);
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CHECK(helper);
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CHECK(helper->semaphore);
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sleep(1);
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++helper->counter;
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semaphore_post(helper->semaphore);
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}
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} // namespace
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class SemaphoreTest : public AllocationTestHarness {};
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TEST_F(SemaphoreTest, test_new_simple) {
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semaphore_t* semaphore = semaphore_new(0);
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ASSERT_TRUE(semaphore != NULL);
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semaphore_free(semaphore);
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}
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TEST_F(SemaphoreTest, test_new_with_value) {
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semaphore_t* semaphore = semaphore_new(3);
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ASSERT_TRUE(semaphore != NULL);
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EXPECT_TRUE(semaphore_try_wait(semaphore));
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EXPECT_TRUE(semaphore_try_wait(semaphore));
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EXPECT_TRUE(semaphore_try_wait(semaphore));
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EXPECT_FALSE(semaphore_try_wait(semaphore));
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semaphore_free(semaphore);
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}
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TEST_F(SemaphoreTest, test_try_wait) {
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semaphore_t* semaphore = semaphore_new(0);
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ASSERT_TRUE(semaphore != NULL);
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EXPECT_FALSE(semaphore_try_wait(semaphore));
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semaphore_post(semaphore);
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EXPECT_TRUE(semaphore_try_wait(semaphore));
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EXPECT_FALSE(semaphore_try_wait(semaphore));
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semaphore_free(semaphore);
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}
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TEST_F(SemaphoreTest, test_wait_after_post) {
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semaphore_t* semaphore = semaphore_new(0);
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ASSERT_TRUE(semaphore != NULL);
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semaphore_post(semaphore);
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semaphore_wait(semaphore);
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semaphore_free(semaphore);
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}
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TEST_F(SemaphoreTest, test_ensure_wait) {
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semaphore_t* semaphore = semaphore_new(0);
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ASSERT_TRUE(semaphore != NULL);
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MessageLoopThread thread("semaphore_test_thread");
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thread.StartUp();
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ASSERT_TRUE(thread.IsRunning());
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EXPECT_FALSE(semaphore_try_wait(semaphore));
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SemaphoreTestSequenceHelper sequence_helper = {semaphore, 0};
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thread.DoInThread(FROM_HERE,
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base::Bind(sleep_then_increment_counter, &sequence_helper));
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semaphore_wait(semaphore);
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EXPECT_EQ(sequence_helper.counter, 1)
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<< "semaphore_wait() did not wait for counter to increment";
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semaphore_free(semaphore);
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thread.ShutDown();
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}
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