| /****************************************************************************** |
| * |
| * Copyright 2014 Google, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #include <base/message_loop/message_loop.h> |
| #include <base/run_loop.h> |
| #include <gtest/gtest.h> |
| |
| #include "AlarmTestHarness.h" |
| |
| #include "common/message_loop_thread.h" |
| #include "osi/include/alarm.h" |
| #include "osi/include/fixed_queue.h" |
| #include "osi/include/osi.h" |
| #include "osi/include/semaphore.h" |
| |
| using base::Closure; |
| using base::TimeDelta; |
| using bluetooth::common::MessageLoopThread; |
| |
| static semaphore_t* semaphore; |
| static int cb_counter; |
| static int cb_misordered_counter; |
| |
| static const uint64_t EPSILON_MS = 50; |
| |
| static void msleep(uint64_t ms) { usleep(ms * 1000); } |
| |
| static base::MessageLoop* message_loop_; |
| |
| base::MessageLoop* get_main_message_loop() { return message_loop_; } |
| |
| class AlarmTest : public AlarmTestHarness { |
| protected: |
| void SetUp() override { |
| AlarmTestHarness::SetUp(); |
| cb_counter = 0; |
| cb_misordered_counter = 0; |
| |
| semaphore = semaphore_new(0); |
| } |
| |
| void TearDown() override { |
| semaphore_free(semaphore); |
| AlarmTestHarness::TearDown(); |
| } |
| }; |
| |
| static void cb(UNUSED_ATTR void* data) { |
| ++cb_counter; |
| semaphore_post(semaphore); |
| } |
| |
| static void ordered_cb(void* data) { |
| int i = PTR_TO_INT(data); |
| if (i != cb_counter) cb_misordered_counter++; |
| ++cb_counter; |
| semaphore_post(semaphore); |
| } |
| |
| TEST_F(AlarmTest, test_new_free_simple) { |
| alarm_t* alarm = alarm_new("alarm_test.test_new_free_simple"); |
| ASSERT_TRUE(alarm != NULL); |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_free_null) { alarm_free(NULL); } |
| |
| TEST_F(AlarmTest, test_simple_cancel) { |
| alarm_t* alarm = alarm_new("alarm_test.test_simple_cancel"); |
| alarm_cancel(alarm); |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_cancel) { |
| alarm_t* alarm = alarm_new("alarm_test.test_cancel"); |
| alarm_set(alarm, 10, cb, NULL); |
| alarm_cancel(alarm); |
| |
| msleep(10 + EPSILON_MS); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_FALSE(WakeLockHeld()); |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_cancel_idempotent) { |
| alarm_t* alarm = alarm_new("alarm_test.test_cancel_idempotent"); |
| alarm_set(alarm, 10, cb, NULL); |
| alarm_cancel(alarm); |
| alarm_cancel(alarm); |
| alarm_cancel(alarm); |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_set_short) { |
| alarm_t* alarm = alarm_new("alarm_test.test_set_short"); |
| |
| alarm_set(alarm, 10, cb, NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_set_short_periodic) { |
| alarm_t* alarm = alarm_new_periodic("alarm_test.test_set_short_periodic"); |
| |
| alarm_set(alarm, 10, cb, NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| for (int i = 1; i <= 10; i++) { |
| semaphore_wait(semaphore); |
| |
| EXPECT_GE(cb_counter, i); |
| EXPECT_TRUE(WakeLockHeld()); |
| } |
| alarm_cancel(alarm); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_set_zero_periodic) { |
| alarm_t* alarm = alarm_new_periodic("alarm_test.test_set_zero_periodic"); |
| |
| alarm_set(alarm, 0, cb, NULL); |
| |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| for (int i = 1; i <= 10; i++) { |
| semaphore_wait(semaphore); |
| |
| EXPECT_GE(cb_counter, i); |
| EXPECT_TRUE(WakeLockHeld()); |
| } |
| alarm_cancel(alarm); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_set_long) { |
| alarm_t* alarm = alarm_new("alarm_test.test_set_long"); |
| alarm_set(alarm, TIMER_INTERVAL_FOR_WAKELOCK_IN_MS + EPSILON_MS, cb, NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm); |
| } |
| |
| TEST_F(AlarmTest, test_set_short_short) { |
| alarm_t* alarm[2] = {alarm_new("alarm_test.test_set_short_short_0"), |
| alarm_new("alarm_test.test_set_short_short_1")}; |
| |
| alarm_set(alarm[0], 10, cb, NULL); |
| alarm_set(alarm[1], 20, cb, NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 2); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm[0]); |
| alarm_free(alarm[1]); |
| } |
| |
| TEST_F(AlarmTest, test_set_short_long) { |
| alarm_t* alarm[2] = {alarm_new("alarm_test.test_set_short_long_0"), |
| alarm_new("alarm_test.test_set_short_long_1")}; |
| |
| alarm_set(alarm[0], 10, cb, NULL); |
| alarm_set(alarm[1], 10 + TIMER_INTERVAL_FOR_WAKELOCK_IN_MS + EPSILON_MS, cb, |
| NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_TRUE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 2); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm[0]); |
| alarm_free(alarm[1]); |
| } |
| |
| TEST_F(AlarmTest, test_set_long_long) { |
| alarm_t* alarm[2] = {alarm_new("alarm_test.test_set_long_long_0"), |
| alarm_new("alarm_test.test_set_long_long_1")}; |
| |
| alarm_set(alarm[0], TIMER_INTERVAL_FOR_WAKELOCK_IN_MS + EPSILON_MS, cb, NULL); |
| alarm_set(alarm[1], 2 * (TIMER_INTERVAL_FOR_WAKELOCK_IN_MS + EPSILON_MS), cb, |
| NULL); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_EQ(cb_counter, 2); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm[0]); |
| alarm_free(alarm[1]); |
| } |
| |
| TEST_F(AlarmTest, test_is_scheduled) { |
| alarm_t* alarm = alarm_new("alarm_test.test_is_scheduled"); |
| |
| EXPECT_FALSE(alarm_is_scheduled((alarm_t*)NULL)); |
| EXPECT_FALSE(alarm_is_scheduled(alarm)); |
| alarm_set(alarm, TIMER_INTERVAL_FOR_WAKELOCK_IN_MS + EPSILON_MS, cb, NULL); |
| EXPECT_TRUE(alarm_is_scheduled(alarm)); |
| |
| EXPECT_EQ(cb_counter, 0); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| semaphore_wait(semaphore); |
| |
| EXPECT_FALSE(alarm_is_scheduled(alarm)); |
| EXPECT_EQ(cb_counter, 1); |
| EXPECT_FALSE(WakeLockHeld()); |
| |
| alarm_free(alarm); |
| } |
| |
| // Test whether the callbacks are invoked in the expected order |
| TEST_F(AlarmTest, test_callback_ordering) { |
| alarm_t* alarms[100]; |
| |
| for (int i = 0; i < 100; i++) { |
| const std::string alarm_name = |
| "alarm_test.test_callback_ordering[" + std::to_string(i) + "]"; |
| alarms[i] = alarm_new(alarm_name.c_str()); |
| } |
| |
| for (int i = 0; i < 100; i++) { |
| alarm_set(alarms[i], 100, ordered_cb, INT_TO_PTR(i)); |
| } |
| |
| for (int i = 1; i <= 100; i++) { |
| semaphore_wait(semaphore); |
| EXPECT_GE(cb_counter, i); |
| } |
| EXPECT_EQ(cb_counter, 100); |
| EXPECT_EQ(cb_misordered_counter, 0); |
| |
| for (int i = 0; i < 100; i++) alarm_free(alarms[i]); |
| |
| EXPECT_FALSE(WakeLockHeld()); |
| } |
| |
| // Test whether the callbacks are involed in the expected order on a |
| // message loop. |
| TEST_F(AlarmTest, test_callback_ordering_on_mloop) { |
| alarm_t* alarms[100]; |
| |
| // Initialize MesageLoop, and wait till it's initialized. |
| MessageLoopThread message_loop_thread("btu message loop"); |
| message_loop_thread.StartUp(); |
| if (!message_loop_thread.IsRunning()) { |
| FAIL() << "unable to create btu message loop thread."; |
| } |
| message_loop_ = message_loop_thread.message_loop(); |
| |
| for (int i = 0; i < 100; i++) { |
| const std::string alarm_name = |
| "alarm_test.test_callback_ordering_on_mloop[" + std::to_string(i) + "]"; |
| alarms[i] = alarm_new(alarm_name.c_str()); |
| } |
| |
| for (int i = 0; i < 100; i++) { |
| alarm_set_on_mloop(alarms[i], 100, ordered_cb, INT_TO_PTR(i)); |
| } |
| |
| for (int i = 1; i <= 100; i++) { |
| semaphore_wait(semaphore); |
| EXPECT_GE(cb_counter, i); |
| } |
| EXPECT_EQ(cb_counter, 100); |
| EXPECT_EQ(cb_misordered_counter, 0); |
| |
| for (int i = 0; i < 100; i++) alarm_free(alarms[i]); |
| |
| message_loop_thread.ShutDown(); |
| EXPECT_FALSE(WakeLockHeld()); |
| } |
| |
| // Try to catch any race conditions between the timer callback and |alarm_free|. |
| TEST_F(AlarmTest, test_callback_free_race) { |
| for (int i = 0; i < 1000; ++i) { |
| const std::string alarm_name = |
| "alarm_test.test_callback_free_race[" + std::to_string(i) + "]"; |
| alarm_t* alarm = alarm_new(alarm_name.c_str()); |
| alarm_set(alarm, 0, cb, NULL); |
| alarm_free(alarm); |
| } |
| alarm_cleanup(); |
| } |
| |
| static void remove_cb(void* data) { |
| alarm_free((alarm_t*)data); |
| semaphore_post(semaphore); |
| } |
| |
| TEST_F(AlarmTest, test_delete_during_callback) { |
| for (int i = 0; i < 1000; ++i) { |
| alarm_t* alarm = alarm_new("alarm_test.test_delete_during_callback"); |
| alarm_set(alarm, 0, remove_cb, alarm); |
| semaphore_wait(semaphore); |
| } |
| alarm_cleanup(); |
| } |