/** Ensure that the flasher instance limiting machinery is working as expected. */
public void testFlashLimit() throws Exception {
final DeviceFlashPreparer dfp = mDeviceFlashPreparer;
try {
Thread waiter =
new Thread() {
@Override
public void run() {
dfp.takeFlashingPermit();
dfp.returnFlashingPermit();
}
};
dfp.setConcurrentFlashSettings(1, new Semaphore(1), true);
// take the permit; the next attempt to take the permit should block
dfp.takeFlashingPermit();
assertFalse(dfp.getConcurrentFlashLock().hasQueuedThreads());
waiter.start();
RunUtil.getDefault().sleep(100); // Thread start should take <100ms
assertTrue("Invalid state: waiter thread is not alive", waiter.isAlive());
assertTrue("No queued threads", dfp.getConcurrentFlashLock().hasQueuedThreads());
dfp.returnFlashingPermit();
RunUtil.getDefault().sleep(100); // Thread start should take <100ms
assertFalse("Unexpected queued threads", dfp.getConcurrentFlashLock().hasQueuedThreads());
waiter.join(1000);
assertFalse("waiter thread has not returned", waiter.isAlive());
} finally {
// Attempt to reset concurrent flash settings to defaults
dfp.setConcurrentFlashSettings(null, null, true);
}
}
/** Ensure that the flasher instance limiting machinery is working as expected. */
public void testUnlimitedFlashLimit() throws Exception {
final DeviceFlashPreparer dfp = mDeviceFlashPreparer;
try {
Thread waiter =
new Thread() {
@Override
public void run() {
dfp.takeFlashingPermit();
dfp.returnFlashingPermit();
}
};
dfp.setConcurrentFlashSettings(null, null, true);
// take a permit; the next attempt to take the permit should proceed without blocking
dfp.takeFlashingPermit();
assertNull("Flash lock is non-null", dfp.getConcurrentFlashLock());
waiter.start();
RunUtil.getDefault().sleep(100); // Thread start should take <100ms
Thread.State waiterState = waiter.getState();
assertTrue(
"Invalid state: waiter thread hasn't started",
waiter.isAlive() || Thread.State.TERMINATED.equals(waiterState));
assertNull("Flash lock is non-null", dfp.getConcurrentFlashLock());
dfp.returnFlashingPermit();
RunUtil.getDefault().sleep(100); // Thread start should take <100ms
assertNull("Flash lock is non-null", dfp.getConcurrentFlashLock());
waiter.join(1000);
assertFalse("waiter thread has not returned", waiter.isAlive());
} finally {
// Attempt to reset concurrent flash settings to defaults
dfp.setConcurrentFlashSettings(null, null, true);
}
}
/** {@inheritDoc} */
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
Assert.assertNotNull(mTestDevice);
mAppListPath =
new File(mTestDevice.getMountPoint(IDevice.MNT_EXTERNAL_STORAGE), APP_LIST_FILE)
.getAbsolutePath();
mAppOutputPath =
new File(mTestDevice.getMountPoint(IDevice.MNT_EXTERNAL_STORAGE), APP_OUTPUT_FILE)
.getAbsolutePath();
setupAppInfos();
// Setup the device
mTestDevice.executeShellCommand(String.format("rm %s %s", mAppListPath, mAppOutputPath));
mTestDevice.pushString(generateAppList(), mAppListPath);
mTestDevice.executeShellCommand(String.format("chmod 750 %s", APP_LAUNCH));
// Sleep 30 seconds to let device settle.
RunUtil.getDefault().sleep(30 * 1000);
// Run the test
String output = mTestDevice.executeShellCommand(APP_LAUNCH);
CLog.d("App launch output: %s", output);
logOutputFile(listener);
}