| 1 | package de.uka.ipd.sdq.prototype.framework.tests; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | |
| 5 | import junit.framework.Assert; |
| 6 | |
| 7 | import org.apache.log4j.ConsoleAppender; |
| 8 | import org.apache.log4j.Logger; |
| 9 | import org.apache.log4j.SimpleLayout; |
| 10 | import org.junit.Before; |
| 11 | import org.junit.Test; |
| 12 | |
| 13 | import de.uka.ipd.sdq.prototype.framework.strategies.PassiveResource; |
| 14 | import de.uka.ipd.sdq.prototype.framework.strategies.PassiveResourceRegistry; |
| 15 | |
| 16 | public class PassiveResourcesTest { |
| 17 | private static final int CAPACITY = 1; |
| 18 | private static final String PR1 = "pr1"; |
| 19 | private static final String PR2 = "pr2"; |
| 20 | |
| 21 | @Before |
| 22 | public void initialise(){ |
| 23 | PassiveResource pr1 = new PassiveResource(CAPACITY,PR1); |
| 24 | PassiveResource pr2 = new PassiveResource(CAPACITY+1,PR2); |
| 25 | PassiveResourceRegistry.singleton().addPassiveResource(pr1); |
| 26 | PassiveResourceRegistry.singleton().addPassiveResource(pr2); |
| 27 | |
| 28 | Logger.getLogger(PassiveResource.class.getName()) |
| 29 | .addAppender(new ConsoleAppender(new SimpleLayout())); |
| 30 | } |
| 31 | |
| 32 | @Test |
| 33 | public void testPassiveResources() throws IOException, InterruptedException { |
| 34 | ThreadGroup tg = new ThreadGroup("Acquiring Threads"); |
| 35 | |
| 36 | PassiveResourceRegistry.singleton().getResource(PR1).acquire(); |
| 37 | |
| 38 | AcquiringThread at = new AcquiringThread(); |
| 39 | new Thread(tg, at).start(); |
| 40 | |
| 41 | Thread.sleep(1000); |
| 42 | Assert.assertTrue(tg.activeCount() == 1); |
| 43 | |
| 44 | PassiveResourceRegistry.singleton().getResource(PR1).release(); |
| 45 | |
| 46 | Thread.sleep(100); |
| 47 | Assert.assertTrue(tg.activeCount() == 0); |
| 48 | |
| 49 | PassiveResourceRegistry.singleton().getResource(PR2).acquire(); |
| 50 | PassiveResourceRegistry.singleton().getResource(PR2).acquire(); |
| 51 | PassiveResourceRegistry.singleton().getResource(PR2).release(); |
| 52 | PassiveResourceRegistry.singleton().getResource(PR2).release(); |
| 53 | |
| 54 | TryingThread tt = new TryingThread(); |
| 55 | new Thread(tg, tt).start(); |
| 56 | |
| 57 | Thread.sleep(100); |
| 58 | |
| 59 | } |
| 60 | |
| 61 | class TryingThread implements Runnable { |
| 62 | public void run() { |
| 63 | PassiveResourceRegistry.singleton().getResource(PR2).acquire(); |
| 64 | PassiveResourceRegistry.singleton().getResource(PR2).acquire(); |
| 65 | PassiveResourceRegistry.singleton().getResource(PR2).acquire(); |
| 66 | |
| 67 | Assert.assertTrue(false); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | class AcquiringThread implements Runnable { |
| 72 | public void run() { |
| 73 | PassiveResourceRegistry.singleton().getResource(PR1).acquire(); |
| 74 | Logger.getLogger(PassiveResource.class.getName()).debug("ACQUIRED! "); |
| 75 | } |
| 76 | } |
| 77 | } |