diff options
Diffstat (limited to 'libjava/testsuite/libjava.lang/Thread_Interrupt.java')
-rw-r--r-- | libjava/testsuite/libjava.lang/Thread_Interrupt.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.lang/Thread_Interrupt.java b/libjava/testsuite/libjava.lang/Thread_Interrupt.java new file mode 100644 index 00000000000..5412549e713 --- /dev/null +++ b/libjava/testsuite/libjava.lang/Thread_Interrupt.java @@ -0,0 +1,134 @@ +// Test interrupt() behaviour on a thread in wait(), sleep(), and spinning +// in a loop. +// Origin: Bryce McKinlay <bryce@albatross.co.nz> + +class Waiter extends Thread +{ + public synchronized void run() + { + System.out.println ("wait()"); + try + { + wait(); + System.out.println("Error: wait() completed normally."); + } + catch (InterruptedException x) + { + if (isInterrupted() || interrupted()) + System.out.println("Error: interrupt flag is still set."); + + } + System.out.println("interrupted - ok"); + } +} + +class Sleeper extends Thread +{ + public void run() + { + System.out.println ("sleep()"); + try + { + sleep(2000); + System.out.println("Error: sleep() completed normally."); + } + catch (InterruptedException x) + { + if (isInterrupted() || interrupted()) + System.out.println("Error: interrupt flag is still set."); + + System.out.println("interrupted - ok"); + } + } +} + +class Looper extends Thread +{ + public void run() + { + System.out.println ("Busy waiting"); + + int count = 0; + for (int i=0; i < 1000000; i++) + { + Thread.yield(); + count += 5; + if (isInterrupted ()) + break; + } + synchronized (this) + { + if (interrupted ()) + { + System.out.println ("interrupted - ok"); + if (isInterrupted () || interrupted ()) + System.out.println("Error: interrupt flag is still set."); + } + else + System.out.println ("Error: Busy wait was not interrupted."); + } + } +} + +class Joiner extends Thread +{ + public void run() + { + System.out.println("join()"); + try + { + join(2000); + System.out.println("Error: join() completed normally??!"); + } + catch (InterruptedException x) + { + if (isInterrupted() || interrupted()) + System.out.println("Error: interrupt flag is still set."); + + System.out.println("interrupted - ok"); + } + + } +} + +public class Thread_Interrupt +{ + public static void main(String args[]) + { + Waiter w = new Waiter(); + w.start (); + sleep_and_interrupt (w); + + Sleeper s = new Sleeper(); + s.start (); + sleep_and_interrupt (s); + + Looper l = new Looper (); + l.start (); + sleep_and_interrupt (l); + + Joiner j = new Joiner (); + j.start (); + sleep_and_interrupt (j); + } + + public static void sleep_and_interrupt(Thread t) + { + try + { + Thread.sleep (250); + t.interrupt (); + long t1 = System.currentTimeMillis(); + t.join (5000); + long time = System.currentTimeMillis() - t1; + if (time > 2900) + { + System.out.println ("Error: join() from main thread timed out"); + } + } + catch (InterruptedException x) + { + System.out.println("Error: main thread interrupted."); + } + } +} |