jdk8-mips64-public/langtools: test/tools/javac/defaultMethods/TestDefaultBody.java@bb7271e64ef6 (annotated)

test/tools/javac/defaultMethods/TestDefaultBody.java@bb7271e64ef6 (annotated)

test/tools/javac/defaultMethods/TestDefaultBody.java

Tue, 10 Sep 2013 13:47:51 +0200

author: jfranck
date: Tue, 10 Sep 2013 13:47:51 +0200
changeset 2020: bb7271e64ef6
parent 1415: 01c9d4161882
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8005222: Fixed bugs should have tests with bugid in @bug tag
Reviewed-by: jfranck, jjg
Contributed-by: Andreas Lundblad <andreas.lundblad@oracle.com>

 /*
  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 7192246
  * @summary  check that code attributed for default methods is correctly generated
  */
 import com.sun.tools.classfile.AccessFlags;
 import com.sun.tools.classfile.Attribute;
 import com.sun.tools.classfile.ClassFile;
 import com.sun.tools.classfile.ConstantPool.*;
 import com.sun.tools.classfile.Code_attribute;
 import com.sun.tools.classfile.Instruction;
 import com.sun.tools.classfile.Method;
 import com.sun.tools.classfile.Opcode;
 import java.io.*;
 public class TestDefaultBody {
     interface TestInterface {
         int no_default(int i);
         default int yes_default(int i) { return impl(this, i); }
     }
     static int impl(TestInterface ti, int i) { return 0; }
     static final String TARGET_CLASS_NAME = "TestDefaultBody";
     static final String TARGET_NAME = "impl";
     static final String TARGET_TYPE = "(LTestDefaultBody$TestInterface;I)I";
     static final String SUBTEST_NAME = TestInterface.class.getName() + ".class";
     static final String TEST_METHOD_NAME = "yes_default";
     public static void main(String... args) throws Exception {
         new TestDefaultBody().run();
     }
     public void run() throws Exception {
         String workDir = System.getProperty("test.classes");
         File compiledTest = new File(workDir, SUBTEST_NAME);
         verifyDefaultBody(compiledTest);
     }
     void verifyDefaultBody(File f) {
         System.err.println("verify: " + f);
         try {
             ClassFile cf = ClassFile.read(f);
             Method testMethod = null;
             Code_attribute codeAttr = null;
             for (Method m : cf.methods) {
                 codeAttr = (Code_attribute)m.attributes.get(Attribute.Code);
                 String mname = m.getName(cf.constant_pool);
                 if (mname.equals(TEST_METHOD_NAME)) {
                     testMethod = m;
                     break;
                 } else {
                     codeAttr = null;
                 }
             }
             if (testMethod == null) {
                 throw new Error("Test method not found");
             }
             if (testMethod.access_flags.is(AccessFlags.ACC_ABSTRACT)) {
                 throw new Error("Test method is abstract");
             }
             if (codeAttr == null) {
                 throw new Error("Code attribute in test method not found");
             }
             boolean found = false;
             for (Instruction instr : codeAttr.getInstructions()) {
                 if (instr.getOpcode() == Opcode.INVOKESTATIC) {
                     found = true;
                     int pc_index = instr.getShort(1);
                     CONSTANT_Methodref_info mref = (CONSTANT_Methodref_info)cf.constant_pool.get(pc_index);
                     String className = mref.getClassName();
                     String targetName = mref.getNameAndTypeInfo().getName();
                     String targetType = mref.getNameAndTypeInfo().getType();
                     if (!className.equals(TARGET_CLASS_NAME)) {
                         throw new Error("unexpected class in default method body " + className);
                     }
                     if (!targetName.equals(TARGET_NAME)) {
                         throw new Error("unexpected method name in default method body " + targetName);
                     }
                     if (!targetType.equals(TARGET_TYPE)) {
                         throw new Error("unexpected method type in default method body " + targetType);
                     }
                     break;
                 }
             }
             if (!found) {
                 throw new Error("no invokestatic found in default method body");
             }
         } catch (Exception e) {
             e.printStackTrace();
             throw new Error("error reading " + f +": " + e);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/defaultMethods/TestDefaultBody.java@bb7271e64ef6 (annotated)

test/tools/javac/defaultMethods/TestDefaultBody.java