/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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.
*/
package android.os;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.test.suitebuilder.annotation.MediumTest;
import junit.framework.TestCase;
public class MessageQueueTest extends TestCase {
private static class BaseTestHandler extends TestHandlerThread {
Handler mHandler;
int mLastMessage;
int mCount;
public BaseTestHandler() {
}
public void go() {
mHandler = new Handler() {
public void handleMessage(Message msg) {
BaseTestHandler.this.handleMessage(msg);
}
};
}
public void handleMessage(Message msg) {
if (!msg.isInUse()) {
failure(new RuntimeException(
"msg.isInuse is false, should always be true, #" + msg.what));
}
if (mCount <= mLastMessage) {
if (msg.what != mCount) {
failure(new RuntimeException(
"Expected message #" + mCount
+ ", received #" + msg.what));
} else if (mCount == mLastMessage) {
success();
}
mCount++;
} else {
failure(new RuntimeException(
"Message received after done, #" + msg.what));
}
}
}
@MediumTest
public void testMessageOrder() throws Exception {
TestHandlerThread tester = new BaseTestHandler() {
public void go() {
super.go();
long now = SystemClock.uptimeMillis() + 200;
mLastMessage = 4;
mCount = 0;
mHandler.sendMessageAtTime(mHandler.obtainMessage(2), now + 1);
mHandler.sendMessageAtTime(mHandler.obtainMessage(3), now + 2);
mHandler.sendMessageAtTime(mHandler.obtainMessage(4), now + 2);
mHandler.sendMessageAtTime(mHandler.obtainMessage(0), now + 0);
mHandler.sendMessageAtTime(mHandler.obtainMessage(1), now + 0);
}
};
tester.doTest(1000);
}
@MediumTest
public void testAtFrontOfQueue() throws Exception {
TestHandlerThread tester = new BaseTestHandler() {
public void go() {
super.go();
long now = SystemClock.uptimeMillis() + 200;
mLastMessage = 3;
mCount = 0;
mHandler.sendMessageAtTime(mHandler.obtainMessage(3), now);
mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(2));
mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(0));
}
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what == 0) {
mHandler.sendMessageAtFrontOfQueue(mHandler.obtainMessage(1));
}
}
};
tester.doTest(1000);
}
private static class TestFieldIntegrityHandler extends TestHandlerThread {
Handler mHandler;
int mLastMessage;
int mCount;
public TestFieldIntegrityHandler() {
}
public void go() {
mHandler = new Handler() {
public void handleMessage(Message msg) {
TestFieldIntegrityHandler.this.handleMessage(msg);
}
};
}
public void handleMessage(Message msg) {
if (!msg.isInUse()) {
failure(new RuntimeException(
"msg.isInuse is false, should always be true, #" + msg.what));
}
if (mCount <= mLastMessage) {
if (msg.what != mCount) {
failure(new RuntimeException(
"Expected message #" + mCount
+ ", received #" + msg.what));
} else if (mCount == mLastMessage) {
success();
}
mCount++;
} else {
failure(new RuntimeException(
"Message received after done, #" + msg.what));
}
}
}
@MediumTest
public void testFieldIntegrity() throws Exception {
TestHandlerThread tester = new TestFieldIntegrityHandler() {
Bundle mBundle;
public void go() {
super.go();
mLastMessage = 1;
mCount = 0;
mHandler.sendMessage(mHandler.obtainMessage(0));
}
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what == 0) {
msg.flags = -1;
msg.what = 1;
msg.arg1 = 456;
msg.arg2 = 789;
msg.obj = this;
msg.replyTo = null;
mBundle = new Bundle();
msg.data = mBundle;
msg.data.putString("key", "value");
Message newMsg = mHandler.obtainMessage();
newMsg.copyFrom(msg);
if (newMsg.isInUse() != false) {
failure(new RuntimeException(
"newMsg.isInUse is true should be false after copyFrom"));
}
if (newMsg.flags != 0) {
failure(new RuntimeException(String.format(
"newMsg.flags is %d should be 0 after copyFrom", newMsg.flags)));
}
if (newMsg.what != 1) {
failure(new RuntimeException(String.format(
"newMsg.what is %d should be %d after copyFrom", newMsg.what, 1)));
}
if (newMsg.arg1 != 456) {
failure(new RuntimeException(String.format(
"newMsg.arg1 is %d should be %d after copyFrom", msg.arg1, 456)));
}
if (newMsg.arg2 != 789) {
failure(new RuntimeException(String.format(
"newMsg.arg2 is %d should be %d after copyFrom", msg.arg2, 789)));
}
if (newMsg.obj != this) {
failure(new RuntimeException(
"newMsg.obj should be 'this' after copyFrom"));
}
if (newMsg.replyTo != null) {
failure(new RuntimeException(
"newMsg.replyTo should be null after copyFrom"));
}
if (newMsg.data == mBundle) {
failure(new RuntimeException(
"newMsg.data should NOT be mBundle after copyFrom"));
}
if (!newMsg.data.getString("key").equals(mBundle.getString("key"))) {
failure(new RuntimeException(String.format(
"newMsg.data.getString(\"key\") is %s and does not equal" +
" mBundle.getString(\"key\") which is %s after copyFrom",
newMsg.data.getString("key"), mBundle.getString("key"))));
}
if (newMsg.when != 0) {
failure(new RuntimeException(String.format(
"newMsg.when is %d should be 0 after copyFrom", newMsg.when)));
}
if (newMsg.target != mHandler) {
failure(new RuntimeException(
"newMsg.target is NOT mHandler after copyFrom"));
}
if (newMsg.callback != null) {
failure(new RuntimeException(
"newMsg.callback is NOT null after copyFrom"));
}
mHandler.sendMessage(newMsg);
} else if (msg.what == 1) {
if (msg.isInUse() != true) {
failure(new RuntimeException(String.format(
"msg.isInUse is false should be true after when processing %d",
msg.what)));
}
if (msg.arg1 != 456) {
failure(new RuntimeException(String.format(
"msg.arg1 is %d should be %d when processing # %d",
msg.arg1, 456, msg.what)));
}
if (msg.arg2 != 789) {
failure(new RuntimeException(String.format(
"msg.arg2 is %d should be %d when processing # %d",
msg.arg2, 789, msg.what)));
}
if (msg.obj != this) {
failure(new RuntimeException(String.format(
"msg.obj should be 'this' when processing # %d", msg.what)));
}
if (msg.replyTo != null) {
failure(new RuntimeException(String.format(
"msg.replyTo should be null when processing # %d", msg.what)));
}
if (!msg.data.getString("key").equals(mBundle.getString("key"))) {
failure(new RuntimeException(String.format(
"msg.data.getString(\"key\") is %s and does not equal" +
" mBundle.getString(\"key\") which is %s when processing # %d",
msg.data.getString("key"), mBundle.getString("key"), msg.what)));
}
if (msg.when != 0) {
failure(new RuntimeException(String.format(
"msg.when is %d should be 0 when processing # %d",
msg.when, msg.what)));
}
if (msg.target != null) {
failure(new RuntimeException(String.format(
"msg.target is NOT null when processing # %d", msg.what)));
}
if (msg.callback != null) {
failure(new RuntimeException(String.format(
"msg.callback is NOT null when processing # %d", msg.what)));
}
} else {
failure(new RuntimeException(String.format(
"Unexpected msg.what is %d" + msg.what)));
}
}
};
tester.doTest(1000);
}
}
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