--- jsr166/src/test/tck/FutureTaskTest.java	2003/12/22 16:25:38	1.9
+++ jsr166/src/test/tck/FutureTaskTest.java	2009/11/21 02:07:26	1.16
@@ -1,21 +1,23 @@
 /*
- * Written by members of JCP JSR-166 Expert Group and released to the
- * public domain. Use, modify, and redistribute this code in any way
- * without acknowledgement. Other contributors include Andrew Wright,
- * Jeffrey Hayes, Pat Fischer, Mike Judd.
+ * 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/licenses/publicdomain
+ * Other contributors include Andrew Wright, Jeffrey Hayes,
+ * Pat Fisher, Mike Judd.
  */
 
 import junit.framework.*;
 import java.util.concurrent.*;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import java.util.*;
 
 public class FutureTaskTest extends JSR166TestCase {
 
     public static void main(String[] args) {
-	junit.textui.TestRunner.run (suite());	
+        junit.textui.TestRunner.run (suite());
     }
     public static Test suite() {
-	return new TestSuite(FutureTaskTest.class);
+        return new TestSuite(FutureTaskTest.class);
     }
 
     /**
@@ -34,10 +36,8 @@ public class FutureTaskTest extends JSR1
     public void testConstructor() {
         try {
             FutureTask task = new FutureTask(null);
-            shouldThrow();
-        }
-        catch(NullPointerException success) {
-        }
+            shouldThrow("NullPointerException");
+        } catch (NullPointerException success) {}
     }
 
     /**
@@ -46,20 +46,18 @@ public class FutureTaskTest extends JSR1
     public void testConstructor2() {
         try {
             FutureTask task = new FutureTask(null, Boolean.TRUE);
-            shouldThrow();
-        }
-        catch(NullPointerException success) {
-        }
+            shouldThrow("NullPointerException");
+        } catch (NullPointerException success) {}
     }
 
     /**
      * isDone is true when a task completes
      */
     public void testIsDone() {
-        FutureTask task = new FutureTask( new NoOpCallable());
-	task.run();
-	assertTrue(task.isDone());
-	assertFalse(task.isCancelled());
+        FutureTask task = new FutureTask(new NoOpCallable());
+        task.run();
+        assertTrue(task.isDone());
+        assertFalse(task.isCancelled());
     }
 
     /**
@@ -67,7 +65,7 @@ public class FutureTaskTest extends JSR1
      */
     public void testRunAndReset() {
         PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
-	assertTrue(task.runAndReset());
+        assertTrue(task.runAndReset());
         assertFalse(task.isDone());
     }
 
@@ -77,44 +75,34 @@ public class FutureTaskTest extends JSR1
     public void testResetAfterCancel() {
         PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
         assertTrue(task.cancel(false));
-	assertFalse(task.runAndReset());
-	assertTrue(task.isDone());
-	assertTrue(task.isCancelled());
+        assertFalse(task.runAndReset());
+        assertTrue(task.isDone());
+        assertTrue(task.isCancelled());
     }
 
 
 
     /**
-     * setting value gauses get to return it
+     * setting value causes get to return it
      */
-    public void testSet() {
+    public void testSet() throws Exception {
         PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
         task.set(one);
-        try {
-            assertEquals(task.get(), one);
-        }
-        catch(Exception e) {
-            unexpectedException();
-        }
+        assertEquals(task.get(), one);
     }
 
     /**
      * setException causes get to throw ExecutionException
      */
-    public void testSetException() {
+    public void testSetException() throws Exception {
         Exception nse = new NoSuchElementException();
         PublicFutureTask task = new PublicFutureTask(new NoOpCallable());
         task.setException(nse);
         try {
             Object x = task.get();
-            shouldThrow();
-        }
-        catch(ExecutionException ee) {
-            Throwable cause = ee.getCause();
-            assertEquals(cause, nse);
-        }
-        catch(Exception e) {
-            unexpectedException();
+            shouldThrow("ExecutionException");
+        } catch (ExecutionException success) {
+            assertSame(success.getCause(), nse);
         }
     }
 
@@ -122,352 +110,251 @@ public class FutureTaskTest extends JSR1
      *  Cancelling before running succeeds
      */
     public void testCancelBeforeRun() {
-        FutureTask task = new FutureTask( new NoOpCallable());
+        FutureTask task = new FutureTask(new NoOpCallable());
         assertTrue(task.cancel(false));
-	task.run();
-	assertTrue(task.isDone());
-	assertTrue(task.isCancelled());
+        task.run();
+        assertTrue(task.isDone());
+        assertTrue(task.isCancelled());
     }
 
     /**
      * Cancel(true) before run succeeds
      */
     public void testCancelBeforeRun2() {
-        FutureTask task = new FutureTask( new NoOpCallable());
+        FutureTask task = new FutureTask(new NoOpCallable());
         assertTrue(task.cancel(true));
-	task.run();
-	assertTrue(task.isDone());
-	assertTrue(task.isCancelled());
+        task.run();
+        assertTrue(task.isDone());
+        assertTrue(task.isCancelled());
     }
 
     /**
      * cancel of a completed task fails
      */
     public void testCancelAfterRun() {
-        FutureTask task = new FutureTask( new NoOpCallable());
-	task.run();
+        FutureTask task = new FutureTask(new NoOpCallable());
+        task.run();
         assertFalse(task.cancel(false));
-	assertTrue(task.isDone());
-	assertFalse(task.isCancelled());
+        assertTrue(task.isDone());
+        assertFalse(task.isCancelled());
     }
 
     /**
      * cancel(true) interrupts a running task
      */
-    public void testCancelInterrupt() {
-        FutureTask task = new FutureTask( new Callable() {
-                public Object call() {
-                    try {
-                        Thread.sleep(MEDIUM_DELAY_MS);
-                        threadShouldThrow();
-                    }
-                    catch (InterruptedException success) {}
+    public void testCancelInterrupt() throws InterruptedException {
+        final FutureTask task =
+            new FutureTask(new CheckedInterruptedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
+                    Thread.sleep(SMALL_DELAY_MS);
                     return Boolean.TRUE;
-                } });
-        Thread t = new  Thread(task);
+                }});
+
+        Thread t = new Thread(task);
         t.start();
-        
-        try {
-            Thread.sleep(SHORT_DELAY_MS);
-            assertTrue(task.cancel(true));
-            t.join();
-            assertTrue(task.isDone());
-            assertTrue(task.isCancelled());
-        } catch(InterruptedException e){
-            unexpectedException();
-        }
+        Thread.sleep(SHORT_DELAY_MS);
+        assertTrue(task.cancel(true));
+        t.join();
+        assertTrue(task.isDone());
+        assertTrue(task.isCancelled());
     }
 
 
     /**
      * cancel(false) does not interrupt a running task
      */
-    public void testCancelNoInterrupt() {
-        FutureTask task = new FutureTask( new Callable() {
-                public Object call() {
-                    try {
-                        Thread.sleep(MEDIUM_DELAY_MS);
-                    }
-                    catch (InterruptedException success) {
-                        threadFail("should not interrupt");
-                    }
+    public void testCancelNoInterrupt() throws InterruptedException {
+        final FutureTask task =
+            new FutureTask(new CheckedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
+                    Thread.sleep(MEDIUM_DELAY_MS);
                     return Boolean.TRUE;
-                } });
-        Thread t = new  Thread(task);
+                }});
+
+        Thread t = new Thread(task);
         t.start();
-        
-        try {
-            Thread.sleep(SHORT_DELAY_MS);
-            assertTrue(task.cancel(false));
-            t.join();
-            assertTrue(task.isDone());
-            assertTrue(task.isCancelled());
-        } catch(InterruptedException e){
-            unexpectedException();
-        }
+        Thread.sleep(SHORT_DELAY_MS);
+        assertTrue(task.cancel(false));
+        t.join();
+        assertTrue(task.isDone());
+        assertTrue(task.isCancelled());
     }
 
     /**
      * set in one thread causes get in another thread to retrieve value
      */
-    public void testGet1() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    try {
-			Thread.sleep(MEDIUM_DELAY_MS);
-		    } catch(InterruptedException e){
-                        threadUnexpectedException();
-                    }
+    public void testGet1() throws InterruptedException {
+        final FutureTask ft =
+            new FutureTask(new CheckedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
                     return Boolean.TRUE;
-		}
-	});
-	Thread t = new Thread(new Runnable() {
-		public void run() {
-		    try {
-			ft.get();
-		    } catch(Exception e){
-                        threadUnexpectedException();
-                    }
-		}
-	    });
-	try {
-            assertFalse(ft.isDone());
-            assertFalse(ft.isCancelled());
-            t.start();
-	    Thread.sleep(SHORT_DELAY_MS);
-	    ft.run();
-	    t.join();
-	    assertTrue(ft.isDone());
-            assertFalse(ft.isCancelled());
-	} catch(InterruptedException e){
-            unexpectedException();
+                }});
+        Thread t = new Thread(new CheckedRunnable() {
+            public void realRun() throws Exception {
+                assertSame(Boolean.TRUE, ft.get());
+            }});
 
-        }	
+        assertFalse(ft.isDone());
+        assertFalse(ft.isCancelled());
+        t.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        ft.run();
+        t.join();
+        assertTrue(ft.isDone());
+        assertFalse(ft.isCancelled());
     }
 
     /**
      * set in one thread causes timed get in another thread to retrieve value
      */
-    public void testTimedGet1() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    try {
-			Thread.sleep(MEDIUM_DELAY_MS);
-		    } catch(InterruptedException e){
-                        threadUnexpectedException();
-                    }
+    public void testTimedGet1() throws InterruptedException {
+        final FutureTask ft =
+            new FutureTask(new CheckedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
                     return Boolean.TRUE;
-		}
-            });
-	Thread t = new Thread(new Runnable() {
-		public void run() {
-		    try {
-			ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
-		    } catch(TimeoutException success) {
-                    } catch(Exception e){
-                        threadUnexpectedException();
-                    }
-		}
-	    });
-	try {
-            assertFalse(ft.isDone());
-            assertFalse(ft.isCancelled());
-            t.start();
-	    ft.run();
-	    t.join();
-	    assertTrue(ft.isDone());
-            assertFalse(ft.isCancelled());
-	} catch(InterruptedException e){
-            unexpectedException();
-            
-        }	
+                }});
+        Thread t = new Thread(new CheckedRunnable() {
+            public void realRun() throws Exception {
+                assertSame(Boolean.TRUE, ft.get(SMALL_DELAY_MS, MILLISECONDS));
+            }});
+
+        assertFalse(ft.isDone());
+        assertFalse(ft.isCancelled());
+        t.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        ft.run();
+        t.join();
+        assertTrue(ft.isDone());
+        assertFalse(ft.isCancelled());
     }
 
     /**
      *  Cancelling a task causes timed get in another thread to throw CancellationException
      */
-    public void testTimedGet_Cancellation() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    try {
-			Thread.sleep(SMALL_DELAY_MS);
-                        threadShouldThrow();
-		    } catch(InterruptedException e) {
-                    }
-		    return Boolean.TRUE;
-		}
-	    });
-	try {
-	    Thread t1 = new Thread(new Runnable() {
-		    public void run() {
-			try {
-			    ft.get(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
-			    threadShouldThrow();
-			} catch(CancellationException success) {}
-			catch(Exception e){
-                            threadUnexpectedException();
-			}
-		    }
-		});
-            Thread t2 = new Thread(ft);
-            t1.start(); 
-            t2.start();
-            Thread.sleep(SHORT_DELAY_MS);
-	    ft.cancel(true);
-	    t1.join();
-	    t2.join();
-	} catch(InterruptedException ie){
-            unexpectedException();
-        }
+    public void testTimedGet_Cancellation() throws InterruptedException {
+        final FutureTask ft =
+            new FutureTask(new CheckedInterruptedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
+                    Thread.sleep(SMALL_DELAY_MS);
+                    return Boolean.TRUE;
+                }});
+
+        Thread t1 = new ThreadShouldThrow(CancellationException.class) {
+            public void realRun() throws Exception {
+                ft.get(MEDIUM_DELAY_MS, MILLISECONDS);
+            }};
+        Thread t2 = new Thread(ft);
+        t1.start();
+        t2.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        ft.cancel(true);
+        t1.join();
+        t2.join();
     }
 
     /**
      * Cancelling a task causes get in another thread to throw CancellationException
      */
-    public void testGet_Cancellation() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    try {
-			Thread.sleep(MEDIUM_DELAY_MS);
-                        threadShouldThrow();
-		    } catch(InterruptedException e){
-                    }
+    public void testGet_Cancellation() throws InterruptedException {
+        final FutureTask ft =
+            new FutureTask(new CheckedInterruptedCallable<Object>() {
+                public Object realCall() throws InterruptedException {
+                    Thread.sleep(SMALL_DELAY_MS);
                     return Boolean.TRUE;
-		}
-	    });
-	try {
-	    Thread t1 = new Thread(new Runnable() {
-		    public void run() {
-			try {
-			    ft.get();
-			    threadShouldThrow();
-			} catch(CancellationException success){
-                        }
-			catch(Exception e){
-                            threadUnexpectedException();
-                        }
-		    }
-		});
-            Thread t2 = new Thread(ft);
-            t1.start(); 
-            t2.start();
-            Thread.sleep(SHORT_DELAY_MS);
-	    ft.cancel(true);
-	    t1.join();
-	    t2.join();
-	} catch(InterruptedException success){
-            unexpectedException();
-        }
+                }});
+        Thread t1 = new ThreadShouldThrow(CancellationException.class) {
+            public void realRun() throws Exception {
+                ft.get();
+            }};
+
+        Thread t2 = new Thread(ft);
+        t1.start();
+        t2.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        ft.cancel(true);
+        t1.join();
+        t2.join();
     }
-    
+
 
     /**
      * A runtime exception in task causes get to throw ExecutionException
      */
-    public void testGet_ExecutionException() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    int i = 5/0;
-		    return Boolean.TRUE;
-		}
-	    });
-	try {
-	    ft.run();
-	    ft.get();
-	    shouldThrow();
-	} catch(ExecutionException success){
+    public void testGet_ExecutionException() throws InterruptedException {
+        final FutureTask ft = new FutureTask(new Callable() {
+            public Object call() {
+                return 5/0;
+            }});
+
+        ft.run();
+        try {
+            ft.get();
+            shouldThrow("ExecutionException");
+        } catch (ExecutionException success) {
+            assertTrue(success.getCause() instanceof ArithmeticException);
         }
-	catch(Exception e){
-            unexpectedException();
-	}
     }
-  
+
     /**
      *  A runtime exception in task causes timed get to throw ExecutionException
      */
-    public void testTimedGet_ExecutionException2() {
-	final FutureTask ft = new FutureTask(new Callable() {
-		public Object call() {
-		    int i = 5/0;
-		    return Boolean.TRUE;
-		}
-	    });
-	try {
-	    ft.run();
-	    ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
-	    shouldThrow();
-	} catch(ExecutionException success) { 
-        } catch(TimeoutException success) { } // unlikely but OK
-	catch(Exception e){
-            unexpectedException();
-	}
+    public void testTimedGet_ExecutionException2() throws Exception {
+        final FutureTask ft = new FutureTask(new Callable() {
+            public Object call() {
+                return 5/0;
+            }});
+
+        ft.run();
+        try {
+            ft.get(SHORT_DELAY_MS, MILLISECONDS);
+            shouldThrow("ExecutionException");
+        } catch (ExecutionException success) {
+            assertTrue(success.getCause() instanceof ArithmeticException);
+        }
     }
-      
+
 
     /**
      * Interrupting a waiting get causes it to throw InterruptedException
      */
-    public void testGet_InterruptedException() {
-	final FutureTask ft = new FutureTask(new NoOpCallable());
-	Thread t = new Thread(new Runnable() {
-		public void run() {		    
-		    try {
-			ft.get();
-			threadShouldThrow();
-		    } catch(InterruptedException success){
-                    } catch(Exception e){
-                        threadUnexpectedException();
-                    }
-		}
-	    });
-        try {
-            t.start();
-            Thread.sleep(SHORT_DELAY_MS);
-            t.interrupt();
-            t.join();
-        } catch(Exception e){
-            unexpectedException();
-        }
+    public void testGet_InterruptedException() throws InterruptedException {
+        final FutureTask ft = new FutureTask(new NoOpCallable());
+        Thread t = new Thread(new CheckedInterruptedRunnable() {
+            public void realRun() throws Exception {
+                ft.get();
+            }});
+
+        t.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        t.interrupt();
+        t.join();
     }
 
     /**
      *  Interrupting a waiting timed get causes it to throw InterruptedException
      */
-    public void testTimedGet_InterruptedException2() {
-	final FutureTask ft = new FutureTask(new NoOpCallable());
-	Thread t = new Thread(new Runnable() {
-	 	public void run() {		    
-		    try {
-			ft.get(LONG_DELAY_MS,TimeUnit.MILLISECONDS);
-			threadShouldThrow();
-		    } catch(InterruptedException success){}
-		    catch(Exception e){
-                        threadUnexpectedException();
-		    }
-		}
-	    });
-        try {
-            t.start();
-            Thread.sleep(SHORT_DELAY_MS);
-            t.interrupt();
-            t.join();
-        } catch(Exception e){
-            unexpectedException();
-        }
+    public void testTimedGet_InterruptedException2() throws InterruptedException {
+        final FutureTask ft = new FutureTask(new NoOpCallable());
+        Thread t = new Thread(new CheckedInterruptedRunnable() {
+            public void realRun() throws Exception {
+                ft.get(LONG_DELAY_MS,MILLISECONDS);
+            }});
+
+        t.start();
+        Thread.sleep(SHORT_DELAY_MS);
+        t.interrupt();
+        t.join();
     }
-    
+
     /**
      * A timed out timed get throws TimeoutException
      */
-    public void testGet_TimeoutException() {
-	try {
+    public void testGet_TimeoutException() throws Exception {
+        try {
             FutureTask ft = new FutureTask(new NoOpCallable());
-	    ft.get(1,TimeUnit.MILLISECONDS);
-	    shouldThrow();
-	} catch(TimeoutException success){}
-	catch(Exception success){
-	    unexpectedException();
-	}
+            ft.get(1,MILLISECONDS);
+            shouldThrow("TimeoutException");
+        } catch (TimeoutException success) {}
     }
-    
+
 }