Mercurial > jdk8-mips64-public > hotspot / annotate
test/runtime/classFileParserBug/TestEmptyBootstrapMethodsAttr.java@366c198c896d (annotated)
test/runtime/classFileParserBug/TestEmptyBootstrapMethodsAttr.java
Thu, 15 May 2014 09:25:27 -0400
- author
- lfoltan
- date
- Thu, 15 May 2014 09:25:27 -0400
- changeset 6677
- 366c198c896d
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
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
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /* |
| aoqi@0 | 25 | * @test TestEmptyBootstrapMethodsAttr |
| aoqi@0 | 26 | * @bug 8041918 |
| aoqi@0 | 27 | * @library /testlibrary |
| aoqi@0 | 28 | * @summary Test empty bootstrap_methods table within BootstrapMethods attribute |
| aoqi@0 | 29 | * @compile TestEmptyBootstrapMethodsAttr.java |
| aoqi@0 | 30 | * @run main TestEmptyBootstrapMethodsAttr |
| aoqi@0 | 31 | */ |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | import java.io.File; |
| aoqi@0 | 34 | import com.oracle.java.testlibrary.*; |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | public class TestEmptyBootstrapMethodsAttr { |
| aoqi@0 | 37 | |
| aoqi@0 | 38 | public static void main(String args[]) throws Throwable { |
| aoqi@0 | 39 | System.out.println("Regression test for bug 8041918"); |
| aoqi@0 | 40 | String jarFile = System.getProperty("test.src") + File.separator + "emptynumbootstrapmethods.jar"; |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | // ====== extract the test case |
| aoqi@0 | 43 | ProcessBuilder pb = new ProcessBuilder(new String[] { JDKToolFinder.getJDKTool("jar"), "xvf", jarFile } ); |
| aoqi@0 | 44 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| aoqi@0 | 45 | output.shouldHaveExitValue(0); |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | // Test case #1: |
| aoqi@0 | 48 | // Try loading class with empty bootstrap_methods table where no |
| aoqi@0 | 49 | // other attributes are following BootstrapMethods in attribute table. |
| aoqi@0 | 50 | String className = "emptynumbootstrapmethods1"; |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | // ======= execute test case #1 |
| aoqi@0 | 53 | // Expect a lack of main method, this implies that the class loaded correctly |
| aoqi@0 | 54 | // with an empty bootstrap_methods and did not generate a ClassFormatError. |
| aoqi@0 | 55 | pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); |
| aoqi@0 | 56 | output = new OutputAnalyzer(pb.start()); |
| aoqi@0 | 57 | output.shouldNotContain("java.lang.ClassFormatError"); |
| aoqi@0 | 58 | output.shouldContain("Main method not found in class " + className); |
| aoqi@0 | 59 | output.shouldHaveExitValue(1); |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | // Test case #2: |
| aoqi@0 | 62 | // Try loading class with empty bootstrap_methods table where an |
| aoqi@0 | 63 | // AnnotationDefault attribute follows the BootstrapMethods in the attribute table. |
| aoqi@0 | 64 | className = "emptynumbootstrapmethods2"; |
| aoqi@0 | 65 | |
| aoqi@0 | 66 | // ======= execute test case #2 |
| aoqi@0 | 67 | // Expect a lack of main method, this implies that the class loaded correctly |
| aoqi@0 | 68 | // with an empty bootstrap_methods and did not generate ClassFormatError. |
| aoqi@0 | 69 | pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); |
| aoqi@0 | 70 | output = new OutputAnalyzer(pb.start()); |
| aoqi@0 | 71 | output.shouldNotContain("java.lang.ClassFormatError"); |
| aoqi@0 | 72 | output.shouldContain("Main method not found in class " + className); |
| aoqi@0 | 73 | output.shouldHaveExitValue(1); |
| aoqi@0 | 74 | } |
| aoqi@0 | 75 | } |
