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/******************************************************************************
*
* Copyright (C) 2016 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 <gtest/gtest.h>
#include <base/logging.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "osi/include/wakelock.h"
#include "AllocationTestHarness.h"
static bool is_wake_lock_acquired = false;
static int acquire_wake_lock_cb(const char* lock_name) {
is_wake_lock_acquired = true;
return BT_STATUS_SUCCESS;
}
static int release_wake_lock_cb(const char* lock_name) {
is_wake_lock_acquired = false;
return BT_STATUS_SUCCESS;
}
static bt_os_callouts_t bt_wakelock_callouts = {
sizeof(bt_os_callouts_t), NULL, acquire_wake_lock_cb, release_wake_lock_cb};
class WakelockTest : public AllocationTestHarness {
protected:
virtual void SetUp() {
AllocationTestHarness::SetUp();
// TODO (jamuraa): maybe use base::CreateNewTempDirectory instead?
#if defined(OS_GENERIC)
tmp_dir_ = "/tmp/btwlXXXXXX";
#else
tmp_dir_ = "/data/local/tmp/btwlXXXXXX";
#endif // !defined(OS_GENERIC)
char* buffer = const_cast<char*>(tmp_dir_.c_str());
char* dtemp = mkdtemp(buffer);
if (!dtemp) {
perror("Can't make wake lock test directory: ");
CHECK(false);
}
lock_path_ = tmp_dir_ + "/wake_lock";
unlock_path_ = tmp_dir_ + "/wake_unlock";
creat(lock_path_.c_str(), S_IRWXU);
creat(unlock_path_.c_str(), S_IRWXU);
}
virtual void TearDown() {
is_wake_lock_acquired = false;
wakelock_cleanup();
wakelock_set_os_callouts(NULL);
// Clean up the temp wake lock directory
unlink(lock_path_.c_str());
unlink(unlock_path_.c_str());
rmdir(tmp_dir_.c_str());
AllocationTestHarness::TearDown();
}
//
// Test whether the file-based wakelock is acquired.
//
bool IsFileWakeLockAcquired() {
bool acquired = false;
int lock_fd = open(lock_path_.c_str(), O_RDONLY);
CHECK(lock_fd >= 0);
int unlock_fd = open(unlock_path_.c_str(), O_RDONLY);
CHECK(unlock_fd >= 0);
struct stat lock_stat, unlock_stat;
fstat(lock_fd, &lock_stat);
fstat(unlock_fd, &unlock_stat);
CHECK(lock_stat.st_size >= unlock_stat.st_size);
void* lock_file =
mmap(nullptr, lock_stat.st_size, PROT_READ, MAP_PRIVATE, lock_fd, 0);
void* unlock_file = mmap(nullptr, unlock_stat.st_size, PROT_READ,
MAP_PRIVATE, unlock_fd, 0);
if (memcmp(lock_file, unlock_file, unlock_stat.st_size) == 0) {
acquired = lock_stat.st_size > unlock_stat.st_size;
} else {
// these files should always either be with a lock that has more,
// or equal.
CHECK(false);
}
munmap(lock_file, lock_stat.st_size);
munmap(unlock_file, unlock_stat.st_size);
close(lock_fd);
close(unlock_fd);
return acquired;
}
std::string tmp_dir_;
std::string lock_path_;
std::string unlock_path_;
};
TEST_F(WakelockTest, test_set_os_callouts) {
wakelock_set_os_callouts(&bt_wakelock_callouts);
// Initially, the wakelock is not acquired
ASSERT_FALSE(is_wake_lock_acquired);
for (size_t i = 0; i < 1000; i++) {
wakelock_acquire();
ASSERT_TRUE(is_wake_lock_acquired);
wakelock_release();
ASSERT_FALSE(is_wake_lock_acquired);
}
}
TEST_F(WakelockTest, test_set_paths) {
wakelock_set_os_callouts(NULL); // Make sure we use native wakelocks
wakelock_set_paths(lock_path_.c_str(), unlock_path_.c_str());
// Initially, the wakelock is not acquired
ASSERT_FALSE(IsFileWakeLockAcquired());
for (size_t i = 0; i < 1000; i++) {
wakelock_acquire();
ASSERT_TRUE(IsFileWakeLockAcquired());
wakelock_release();
ASSERT_FALSE(IsFileWakeLockAcquired());
}
}
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