You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

360 lines
9.0 KiB

/******************************************************************************
*
* 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/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 MessageLoopThread* thread_;
bluetooth::common::MessageLoopThread* get_main_thread() { return thread_; }
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.";
}
thread_ = &message_loop_thread;
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();
}