Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/T6716452.java
test/tools/javap/T6716452.java
- changeset 67
- 1bdd8cea398e
- child 554
- 9d9f26857129
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| 1 /* | |
| 2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test 6716452 | |
| 26 * @summary need a method to get an index of an attribute | |
| 27 */ | |
| 28 | |
| 29 import java.io.*; | |
| 30 import com.sun.tools.classfile.*; | |
| 31 | |
| 32 public class T6716452 { | |
| 33 public static void main(String[] args) throws Exception { | |
| 34 new T6716452().run(); | |
| 35 } | |
| 36 | |
| 37 public void run() throws Exception { | |
| 38 File javaFile = writeTestFile(); | |
| 39 File classFile = compileTestFile(javaFile); | |
| 40 | |
| 41 ClassFile cf = ClassFile.read(classFile); | |
| 42 for (Method m: cf.methods) { | |
| 43 test(cf, m); | |
| 44 } | |
| 45 | |
| 46 if (errors > 0) | |
| 47 throw new Exception(errors + " errors found"); | |
| 48 } | |
| 49 | |
| 50 void test(ClassFile cf, Method m) { | |
| 51 test(cf, m, Attribute.Code, Code_attribute.class); | |
| 52 test(cf, m, Attribute.Exceptions, Exceptions_attribute.class); | |
| 53 } | |
| 54 | |
| 55 // test the result of Attributes.getIndex according to expectations | |
| 56 // encoded in the method's name | |
| 57 void test(ClassFile cf, Method m, String name, Class<?> c) { | |
| 58 int index = m.attributes.getIndex(cf.constant_pool, name); | |
| 59 try { | |
| 60 String m_name = m.getName(cf.constant_pool); | |
| 61 System.err.println("Method " + m_name + " name:" + name + " index:" + index + " class: " + c); | |
| 62 boolean expect = (m_name.equals("<init>") && name.equals("Code")) | |
| 63 || (m_name.indexOf(name) != -1); | |
| 64 boolean found = (index != -1); | |
| 65 if (expect) { | |
| 66 if (found) { | |
| 67 Attribute attr = m.attributes.get(index); | |
| 68 if (!c.isAssignableFrom(attr.getClass())) { | |
| 69 error(m + ": unexpected attribute found," | |
| 70 + " expected " + c.getName() | |
| 71 + " found " + attr.getClass().getName()); | |
| 72 } | |
| 73 } else { | |
| 74 error(m + ": expected attribute " + name + " not found"); | |
| 75 } | |
| 76 } else { | |
| 77 if (found) { | |
| 78 error(m + ": unexpected attribute " + name); | |
| 79 } | |
| 80 } | |
| 81 } catch (ConstantPoolException e) { | |
| 82 error(m + ": " + e); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 File writeTestFile() throws IOException { | |
| 87 File f = new File("Test.java"); | |
| 88 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); | |
| 89 out.println("abstract class Test { "); | |
| 90 out.println(" abstract void m();"); | |
| 91 out.println(" void m_Code() { }"); | |
| 92 out.println(" abstract void m_Exceptions() throws Exception;"); | |
| 93 out.println(" void m_Code_Exceptions() throws Exception { }"); | |
| 94 out.println("}"); | |
| 95 out.close(); | |
| 96 return f; | |
| 97 } | |
| 98 | |
| 99 File compileTestFile(File f) { | |
| 100 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); | |
| 101 if (rc != 0) | |
| 102 throw new Error("compilation failed. rc=" + rc); | |
| 103 String path = f.getPath(); | |
| 104 return new File(path.substring(0, path.length() - 5) + ".class"); | |
| 105 } | |
| 106 | |
| 107 void error(String msg) { | |
| 108 System.err.println("error: " + msg); | |
| 109 errors++; | |
| 110 } | |
| 111 | |
| 112 int errors; | |
| 113 } |
