Mercurial > hg > truffle
comparison test/runtime/classFileParserBug/TestEmptyBootstrapMethodsAttr.java @ 17934:366c198c896d
8041918: BootstrapMethods attribute cannot be empty.
Summary: Allow a BootstrapMethods attribute that contains an empty bootstrap_methods table where num_bootstrap_methods is equal to zero.
Reviewed-by: coleenp, hseigel
author | lfoltan |
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date | Thu, 15 May 2014 09:25:27 -0400 |
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17933:124e98cd679a | 17934:366c198c896d |
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1 /* | |
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test TestEmptyBootstrapMethodsAttr | |
26 * @bug 8041918 | |
27 * @library /testlibrary | |
28 * @summary Test empty bootstrap_methods table within BootstrapMethods attribute | |
29 * @compile TestEmptyBootstrapMethodsAttr.java | |
30 * @run main TestEmptyBootstrapMethodsAttr | |
31 */ | |
32 | |
33 import java.io.File; | |
34 import com.oracle.java.testlibrary.*; | |
35 | |
36 public class TestEmptyBootstrapMethodsAttr { | |
37 | |
38 public static void main(String args[]) throws Throwable { | |
39 System.out.println("Regression test for bug 8041918"); | |
40 String jarFile = System.getProperty("test.src") + File.separator + "emptynumbootstrapmethods.jar"; | |
41 | |
42 // ====== extract the test case | |
43 ProcessBuilder pb = new ProcessBuilder(new String[] { JDKToolFinder.getJDKTool("jar"), "xvf", jarFile } ); | |
44 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
45 output.shouldHaveExitValue(0); | |
46 | |
47 // Test case #1: | |
48 // Try loading class with empty bootstrap_methods table where no | |
49 // other attributes are following BootstrapMethods in attribute table. | |
50 String className = "emptynumbootstrapmethods1"; | |
51 | |
52 // ======= execute test case #1 | |
53 // Expect a lack of main method, this implies that the class loaded correctly | |
54 // with an empty bootstrap_methods and did not generate a ClassFormatError. | |
55 pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); | |
56 output = new OutputAnalyzer(pb.start()); | |
57 output.shouldNotContain("java.lang.ClassFormatError"); | |
58 output.shouldContain("Main method not found in class " + className); | |
59 output.shouldHaveExitValue(1); | |
60 | |
61 // Test case #2: | |
62 // Try loading class with empty bootstrap_methods table where an | |
63 // AnnotationDefault attribute follows the BootstrapMethods in the attribute table. | |
64 className = "emptynumbootstrapmethods2"; | |
65 | |
66 // ======= execute test case #2 | |
67 // Expect a lack of main method, this implies that the class loaded correctly | |
68 // with an empty bootstrap_methods and did not generate ClassFormatError. | |
69 pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); | |
70 output = new OutputAnalyzer(pb.start()); | |
71 output.shouldNotContain("java.lang.ClassFormatError"); | |
72 output.shouldContain("Main method not found in class " + className); | |
73 output.shouldHaveExitValue(1); | |
74 } | |
75 } |