ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/SemaphoreTest.java

Comparing jsr166/src/test/tck/SemaphoreTest.java (file contents):
Revision 1.9 by dl, Mon Dec 29 19:05:40 2003 UTC vs.
Revision 1.14 by dl, Sat Jan 10 01:41:59 2004 UTC

#	Line 70 | Line 70 | public class SemaphoreTest extends JSR16
70		assertFalse(s0.isFair());
71		Semaphore s1 = new Semaphore(-1, false);
72		assertEquals(-1, s1.availablePermits());
73	+	assertFalse(s1.isFair());
74		Semaphore s2 = new Semaphore(-1, false);
75		assertEquals(-1, s2.availablePermits());
76	+	assertFalse(s2.isFair());
77	+	}
78	+
79	+	/**
80	+	* Constructor without fairness argument behaves as nonfair
81	+	*/
82	+	public void testConstructor2() {
83	+	Semaphore s0 = new Semaphore(0);
84	+	assertEquals(0, s0.availablePermits());
85	+	assertFalse(s0.isFair());
86	+	Semaphore s1 = new Semaphore(-1);
87	+	assertEquals(-1, s1.availablePermits());
88	+	assertFalse(s1.isFair());
89	+	Semaphore s2 = new Semaphore(-1);
90	+	assertEquals(-1, s2.availablePermits());
91	+	assertFalse(s2.isFair());
92		}
93
94		/**
#	Line 380 | Line 397 | public class SemaphoreTest extends JSR16
397		}
398		}
399
400	+	/**
401	+	* drainPermits reports and removes given number of permits
402	+	*/
403	+	public void testDrainPermits() {
404	+	Semaphore s = new Semaphore(0, false);
405	+	assertEquals(0, s.availablePermits());
406	+	assertEquals(0, s.drainPermits());
407	+	s.release(10);
408	+	assertEquals(10, s.availablePermits());
409	+	assertEquals(10, s.drainPermits());
410	+	assertEquals(0, s.availablePermits());
411	+	assertEquals(0, s.drainPermits());
412	+	}
413
414		/**
415		* reducePermits reduces number of permits
#	Line 605 | Line 635 | public class SemaphoreTest extends JSR16
635		Thread t = new Thread(new Runnable() {
636		public void run() {
637		try {
638	+	s.acquire();
639	+	s.release(2);
640	+	s.acquire();
641	+	} catch(InterruptedException ie){
642	+	threadUnexpectedException();
643	+	}
644	+	}
645	+	});
646	+	try {
647	+	t.start();
648	+	Thread.sleep(SHORT_DELAY_MS);
649	+	s.release(2);
650	+	s.acquire(2);
651	+	s.release(1);
652	+	t.join();
653	+	} catch( InterruptedException e){
654	+	unexpectedException();
655	+	}
656	+	}
657	+
658	+	/**
659	+	* release(n) in one thread enables acquire(n) in another thread
660	+	*/
661	+	public void testAcquireReleaseNInDifferentThreads_fair2() {
662	+	final Semaphore s = new Semaphore(0, true);
663	+	Thread t = new Thread(new Runnable() {
664	+	public void run() {
665	+	try {
666		s.acquire(2);
667		s.acquire(2);
668		s.release(4);
#	Line 628 | Line 686 | public class SemaphoreTest extends JSR16
686
687
688
689	+
690	+
691		/**
692		* release in one thread enables timed acquire in another thread
693		*/
#	Line 839 | Line 899 | public class SemaphoreTest extends JSR16
899		}
900		}
901
902	+	/**
903	+	* toString indicates current number of permits
904	+	*/
905	+	public void testToString() {
906	+	Semaphore s = new Semaphore(0);
907	+	String us = s.toString();
908	+	assertTrue(us.indexOf("Permits = 0") >= 0);
909	+	s.release();
910	+	String s1 = s.toString();
911	+	assertTrue(s1.indexOf("Permits = 1") >= 0);
912	+	s.release();
913	+	String s2 = s.toString();
914	+	assertTrue(s2.indexOf("Permits = 2") >= 0);
915	+	}
916
917		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines