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33
34 package edu.rice.cs.util.newjvm;
35
36 import edu.rice.cs.drjava.DrJavaTestCase;
37 import edu.rice.cs.drjava.config.FileOption;
38 import edu.rice.cs.util.StringOps;
39
40 import java.io.File JavaDoc;
41 import java.io.IOException JavaDoc;
42
43 /**
44  * Test cases for {@link ExecJVM}.
45  *
46  * @version $Id: ExecJVMTest.java 3877 2006-06-08 22:29:32Z rcartwright $
47  */
48 public class ExecJVMTest extends DrJavaTestCase {
49   /**
50    * Setup for every test case.
51    */
52   public void setUp() throws Exception JavaDoc {
53     super.setUp();
54 // edu.rice.cs.util.swing.Utilities.TEST_MODE = true; // already done in super call!
55 }
56
57   public void testExecFileCreator() throws IOException JavaDoc, InterruptedException JavaDoc {
58     File JavaDoc tempFile = File.createTempFile("drjava-test", ".tmp").getCanonicalFile();
59     assertTrue("temp file exists", tempFile.exists());
60     boolean ret = tempFile.delete();
61     assertTrue("temp file delete succeeded", ret);
62
63     // Run new JVM to create the file
64 String JavaDoc className = getClass().getName() + "$FileCreator";
65     String JavaDoc tempName = tempFile.getAbsolutePath();
66     Process JavaDoc jvm = ExecJVM.runJVMPropagateClassPath(className, new String JavaDoc[] { tempName }, FileOption.NULL_FILE);
67
68     int result = jvm.waitFor();
69
70     // Check jvm executed OK
71 try {
72       assertEquals("jvm exit code", 0, result);
73       assertTrue("jvm did not create file", tempFile.exists());
74       assertTrue("jvm System.out not empty", jvm.getInputStream().read() == -1);
75       assertTrue("jvm System.err not empty", jvm.getErrorStream().read() == -1);
76     }
77     finally { /*do nothing */ }
78
79     // clean up file
80 ret = tempFile.delete();
81     assertTrue("temp file delete succeeded", ret);
82   }
83
84   public static final class FileCreator {
85     public static void main(String JavaDoc[] args) {
86       File JavaDoc file = new File JavaDoc(args[0]);
87       boolean ret;
88       try { ret = file.createNewFile(); }
89       catch (IOException JavaDoc ioe) { ret = false; }
90       if (!ret) throw new RuntimeException JavaDoc("file creation failed");
91       System.exit(0);
92     }
93   }
94
95   public void testExecWorkingDirNotFound() throws IOException JavaDoc, InterruptedException JavaDoc {
96     // create and delete temp file
97 File JavaDoc tempFile = File.createTempFile("drjava-test", ".tmp").getCanonicalFile();
98     assertTrue("temp file exists", tempFile.exists());
99     boolean ret = tempFile.delete();
100     assertTrue("temp file delete succeeded", ret);
101
102     // turn temp file into directory name, make directory, and delete again
103 File JavaDoc tempDir = new File JavaDoc(tempFile.toString() + File.separatorChar);
104     ret = tempDir.mkdirs();
105     assertTrue("temp dir exists", tempDir.exists());
106     assertTrue("temp dir is dir", tempDir.isDirectory());
107     ret = tempDir.delete();
108     assertTrue("temp dir delete succeeded", ret);
109
110     // Run new JVM to create the file
111 String JavaDoc className = getClass().getName() + "$" + StringOps.getSimpleName(NoOp.class);
112     String JavaDoc tempName = tempFile.getAbsolutePath();
113     Process JavaDoc jvm = ExecJVM.runJVMPropagateClassPath(className, new String JavaDoc[] { tempName }, tempDir);
114
115     int result = jvm.waitFor();
116
117     // Check jvm executed OK
118 try {
119       assertEquals("jvm exit code", 0, result);
120       assertTrue("jvm System.out not empty", jvm.getInputStream().read() == -1);
121       assertTrue("jvm System.err not empty", jvm.getErrorStream().read() == -1);
122     }
123     finally {
124     }
125   }
126
127   public static final class NoOp {
128     public static void main(String JavaDoc[] args) {
129     }
130   }
131 }
132
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