Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/multicatch/Pos05.java
test/tools/javac/multicatch/Pos05.java
- changeset 0
- 959103a6100f
- child 2525
- 2eb010b6cb22
equal
deleted
inserted
replaced
| -1:000000000000 | 0:959103a6100f |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2010, 2013, 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 | |
| 26 * @bug 6943289 | |
| 27 * @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch') | |
| 28 * @run main Pos05 | |
| 29 */ | |
| 30 | |
| 31 import com.sun.tools.classfile.Attribute; | |
| 32 import com.sun.tools.classfile.ClassFile; | |
| 33 import com.sun.tools.classfile.Code_attribute; | |
| 34 import com.sun.tools.classfile.Code_attribute.Exception_data; | |
| 35 import com.sun.tools.classfile.Method; | |
| 36 import java.io.*; | |
| 37 | |
| 38 public class Pos05 { | |
| 39 | |
| 40 static class Pos05sub { | |
| 41 | |
| 42 class A extends Exception {} | |
| 43 class B extends Exception {} | |
| 44 class C extends Exception {} | |
| 45 | |
| 46 void test(boolean b1, boolean b2) { | |
| 47 try { | |
| 48 if (b1) { | |
| 49 throw new A(); | |
| 50 } | |
| 51 else if (b2) { | |
| 52 throw new B(); | |
| 53 } | |
| 54 else { | |
| 55 throw new C(); | |
| 56 } | |
| 57 } | |
| 58 catch (final A | B | C ex) { | |
| 59 System.out.println("Exception caught"); | |
| 60 } | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 static final int TYPES_IN_MULTICATCH = 3; | |
| 65 static final String SUBTEST_NAME = Pos05sub.class.getName() + ".class"; | |
| 66 static final String TEST_METHOD_NAME = "test"; | |
| 67 | |
| 68 public static void main(String... args) throws Exception { | |
| 69 new Pos05().run(); | |
| 70 } | |
| 71 | |
| 72 public void run() throws Exception { | |
| 73 String workDir = System.getProperty("test.classes"); | |
| 74 File compiledTest = new File(workDir, SUBTEST_NAME); | |
| 75 verifyMulticatchExceptionRanges(compiledTest); | |
| 76 } | |
| 77 | |
| 78 void verifyMulticatchExceptionRanges(File f) { | |
| 79 System.err.println("verify: " + f); | |
| 80 try { | |
| 81 int count = 0; | |
| 82 ClassFile cf = ClassFile.read(f); | |
| 83 Method testMethod = null; | |
| 84 for (Method m : cf.methods) { | |
| 85 if (m.getName(cf.constant_pool).equals(TEST_METHOD_NAME)) { | |
| 86 testMethod = m; | |
| 87 break; | |
| 88 } | |
| 89 } | |
| 90 if (testMethod == null) { | |
| 91 throw new Error("Test method not found"); | |
| 92 } | |
| 93 Code_attribute ea = (Code_attribute)testMethod.attributes.get(Attribute.Code); | |
| 94 if (testMethod == null) { | |
| 95 throw new Error("Code attribute for test() method not found"); | |
| 96 } | |
| 97 Exception_data firstExceptionTable = null; | |
| 98 for (int i = 0 ; i < ea.exception_table_length; i++) { | |
| 99 if (firstExceptionTable == null) { | |
| 100 firstExceptionTable = ea.exception_table[i]; | |
| 101 } | |
| 102 if (ea.exception_table[i].handler_pc != firstExceptionTable.handler_pc || | |
| 103 ea.exception_table[i].start_pc != firstExceptionTable.start_pc || | |
| 104 ea.exception_table[i].end_pc != firstExceptionTable.end_pc) { | |
| 105 throw new Error("Multiple overlapping catch clause found in generated code"); | |
| 106 } | |
| 107 count++; | |
| 108 } | |
| 109 if (count != TYPES_IN_MULTICATCH) { | |
| 110 throw new Error("Wrong number of exception data found: " + count); | |
| 111 } | |
| 112 } catch (Exception e) { | |
| 113 e.printStackTrace(); | |
| 114 throw new Error("error reading " + f +": " + e); | |
| 115 } | |
| 116 } | |
| 117 } |
