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1 package junit.tests.runner;
2
3 import java.io.File  ;
4 import java.io.IOException ;
5 import java.io.InputStream ;
6 import java.io.OutputStream ;
7 import java.io.PrintStream ;
8
9 import junit.framework.TestCase;
10 import junit.framework.TestResult;
11 import junit.framework.TestSuite;
12
13 public class TextRunnerTest extends TestCase {
14
15 public void testFailure() throws Exception {
16 execTest("junit.tests.framework.Failure", false);
17 }
18
19 public void testSuccess() throws Exception {
20 execTest("junit.tests.framework.Success", true);
21 }
22
23 public void testError() throws Exception {
24 execTest("junit.tests.BogusDude", false);
25 }
26
27 void execTest(String testClass, boolean success) throws Exception {
28 String java= System.getProperty("java.home")+File.separator+"bin"+File.separator+"java";
29 String cp= System.getProperty("java.class.path");
30 String [] cmd= { java, "-classpath", cp, "junit.textui.TestRunner", testClass};
32 Process p= Runtime.getRuntime().exec(cmd);
33 InputStream i= p.getInputStream();
34 int b;
35 while((b= i.read()) != -1)
36 ; assertTrue((p.waitFor() == 0) == success);
38 if (success)
39 assertEquals(junit.textui.TestRunner.SUCCESS_EXIT, p.exitValue());
40 else
41 assertEquals(junit.textui.TestRunner.FAILURE_EXIT, p.exitValue());
42 }
43
44 public void testRunReturnsResult() {
45 PrintStream oldOut= System.out;
46 System.setOut(new PrintStream (
47 new OutputStream () {
48 public void write(int arg0) throws IOException {
49 }
50 }
51 ));
52 try {
53 TestResult result= junit.textui.TestRunner.run(new TestSuite());
54 assertTrue(result.wasSuccessful());
55 } finally {
56 System.setOut(oldOut);
57 }
58 }
59
60
61 } |
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Java API By Example, From Geeks To Geeks.