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/*
* Copyright (C) 2010 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.
*/
public class Main {
public static void main(String[] args) {
checkExceptions();
checkTiming();
}
public static void sleep(int msec) {
try {
Thread.sleep(msec);
} catch (InterruptedException ie) {
System.err.println("sleep interrupted");
}
}
static void checkExceptions() {
try {
System.out.println(PartialInit.FIELD0);
System.err.println("Construction of PartialInit succeeded unexpectedly");
} catch (ExceptionInInitializerError eiie) {
System.out.println("Got expected EIIE for FIELD0");
}
try {
System.out.println(PartialInit.FIELD0);
System.err.println("Load of FIELD0 succeeded unexpectedly");
} catch (NoClassDefFoundError ncdfe) {
System.out.println("Got expected NCDFE for FIELD0");
}
try {
System.out.println(PartialInit.FIELD1);
System.err.println("Load of FIELD1 succeeded unexpectedly");
} catch (NoClassDefFoundError ncdfe) {
System.out.println("Got expected NCDFE for FIELD1");
}
}
static void checkTiming() {
FieldThread fieldThread = new FieldThread();
MethodThread methodThread = new MethodThread();
fieldThread.start();
methodThread.start();
/* start class init */
IntHolder zero = SlowInit.FIELD0;
/* wait for children to complete */
try {
fieldThread.join();
methodThread.join();
} catch (InterruptedException ie) {
System.err.println(ie);
}
/* print all values */
System.out.println("Fields (main thread): " +
SlowInit.FIELD0.getValue() + SlowInit.FIELD1.getValue() +
SlowInit.FIELD2.getValue() + SlowInit.FIELD3.getValue());
}
static class FieldThread extends Thread {
public void run() {
/* allow class init to start */
Main.sleep(200);
/* collect fields; should delay until class init completes */
int field0, field1, field2, field3;
field0 = SlowInit.FIELD0.getValue();
field1 = SlowInit.FIELD1.getValue();
field2 = SlowInit.FIELD2.getValue();
field3 = SlowInit.FIELD3.getValue();
/* let MethodThread print first */
Main.sleep(400);
System.out.println("Fields (child thread): " +
field0 + field1 + field2 + field3);
}
}
static class MethodThread extends Thread {
public void run() {
/* allow class init to start */
Main.sleep(200);
/* use a method that shouldn't be accessible yet */
SlowInit.printMsg("MethodThread message");
}
}
}
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