01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // directory tree for the complete NOSA document.
10: //
11: // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12: // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13: // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14: // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15: // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16: // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17: // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18: //
19: package gov.nasa.jpf.jvm;
20:
21: /**
22: * test of java.lang.String APIs
23: */
24: public class TestJavaLangString {
25: public static void main(String[] args) {
26: TestJavaLangString t = new TestJavaLangString();
27:
28: if (args.length > 0) {
29: for (int i = 0; i < args.length; i++) {
30: String func = args[i];
31:
32: if ("testIntern".equals(func)) {
33: t.testIntern();
34: } else {
35: throw new IllegalArgumentException(
36: "unknown test function");
37: }
38: }
39: } else {
40: t.testIntern();
41: }
42: }
43:
44: public void testIntern() {
45: String a = "Blah".intern();
46: String b = new String("Blah");
47:
48: assert (a != b) : "'new String(intern) != intern' failed";
49:
50: String c = b.intern();
51:
52: assert (a == c) : "'(new String(intern)).intern() == intern' failed";
53: }
54: }
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