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1
32 package net.sf.retrotranslator.runtime.java.lang;
33
34 import junit.framework.*;
35 import java.util.concurrent.*;
36
37
40 public class ThreadLocal_TestCase extends TestCase {
41
42 private ExecutorService service;
43
44 protected void setUp() throws Exception  {
45 super.setUp();
46 service = Executors.newSingleThreadExecutor();
47 }
48
49 protected void tearDown() throws Exception {
50 service.shutdown();
51 super.tearDown();
52 }
53
54 private void execute(Runnable runnable) throws Exception {
55 try {
56 service.submit(runnable).get();
57 } catch (ExecutionException e) {
58 Throwable cause = e.getCause();
59 if (cause instanceof Exception ) throw (Exception ) cause;
60 if (cause instanceof Error ) throw (Error ) cause;
61 throw e;
62 }
63 }
64
65 public void test() throws Exception {
66 final ThreadLocal <String > threadLocal = new ThreadLocal <String >() {
67 protected String initialValue() {
68 return "a";
69 }
70 };
71 assertEquals("a", threadLocal.get());
72 threadLocal.set("b");
73 execute(new Runnable () {
74 public void run() {
75 assertEquals("a", threadLocal.get());
76 threadLocal.set("x");
77 assertEquals("x", threadLocal.get());
78 }
79 });
80 assertEquals("b", threadLocal.get());
81 threadLocal.set(null);
82 assertNull(threadLocal.get());
83 threadLocal.remove();
84 execute(new Runnable () {
85 public void run() {
86 assertEquals("x", threadLocal.get());
87 threadLocal.set("y");
88 }
89 });
90 assertEquals("a", threadLocal.get());
91 execute(new Runnable () {
92 public void run() {
93 assertEquals("y", threadLocal.get());
94 threadLocal.set(null);
95 threadLocal.remove();
96 assertEquals("a", threadLocal.get());
97 threadLocal.remove();
98 threadLocal.set(null);
99 assertNull(threadLocal.get());
100 }
101 });
102 }
103
104
105 } |
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