| /* |
| * Written by Doug Lea with assistance from members of JCP JSR-166 |
| * Expert Group and released to the public domain, as explained at |
| * http://creativecommons.org/publicdomain/zero/1.0/ |
| * Other contributors include Andrew Wright, Jeffrey Hayes, |
| * Pat Fisher, Mike Judd. |
| */ |
| |
| package jsr166; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| public class ThreadTest extends JSR166TestCase { |
| // android-note: Removed because the CTS runner does a bad job of |
| // retrying tests that have suite() declarations. |
| // |
| // public static void main(String[] args) { |
| // main(suite(), args); |
| // } |
| // public static Test suite() { |
| // return new TestSuite(...); |
| // } |
| |
| static class MyHandler implements Thread.UncaughtExceptionHandler { |
| public void uncaughtException(Thread t, Throwable e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** |
| * getUncaughtExceptionHandler returns ThreadGroup unless set, |
| * otherwise returning value of last setUncaughtExceptionHandler. |
| */ |
| public void testGetAndSetUncaughtExceptionHandler() { |
| // these must be done all at once to avoid state |
| // dependencies across tests |
| Thread current = Thread.currentThread(); |
| ThreadGroup tg = current.getThreadGroup(); |
| MyHandler eh = new MyHandler(); |
| assertSame(tg, current.getUncaughtExceptionHandler()); |
| current.setUncaughtExceptionHandler(eh); |
| try { |
| assertSame(eh, current.getUncaughtExceptionHandler()); |
| } finally { |
| current.setUncaughtExceptionHandler(null); |
| } |
| assertSame(tg, current.getUncaughtExceptionHandler()); |
| } |
| |
| /** |
| * getDefaultUncaughtExceptionHandler returns value of last |
| * setDefaultUncaughtExceptionHandler. |
| */ |
| public void testGetAndSetDefaultUncaughtExceptionHandler() { |
| // android-note: Removed assertion; all "normal" android apps (including CTS tests) have a |
| // default uncaught exception handler installed by the framework. |
| // |
| // assertEquals(null, Thread.getDefaultUncaughtExceptionHandler()); |
| |
| // failure due to securityException is OK. |
| // Would be nice to explicitly test both ways, but cannot yet. |
| Thread.UncaughtExceptionHandler defaultHandler |
| = Thread.getDefaultUncaughtExceptionHandler(); |
| MyHandler eh = new MyHandler(); |
| try { |
| Thread.setDefaultUncaughtExceptionHandler(eh); |
| try { |
| assertSame(eh, Thread.getDefaultUncaughtExceptionHandler()); |
| } finally { |
| Thread.setDefaultUncaughtExceptionHandler(defaultHandler); |
| } |
| } catch (SecurityException ok) { |
| assertNotNull(System.getSecurityManager()); |
| } |
| assertSame(defaultHandler, Thread.getDefaultUncaughtExceptionHandler()); |
| } |
| |
| // How to test actually using UEH within junit? |
| |
| } |