test/tools/javac/defaultMethods/super/TestDirectSuperInterfaceInvoke.java

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, 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
aoqi@0 26 * @bug 8027281
aoqi@0 27 * @summary As per JVMS 4.9.2, invokespecial can only refer to direct superinterfaces
aoqi@0 28 * @compile TestDirectSuperInterfaceInvoke.java
aoqi@0 29 * @run main TestDirectSuperInterfaceInvoke
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 import java.io.File;
aoqi@0 33 import com.sun.tools.classfile.Attribute;
aoqi@0 34 import com.sun.tools.classfile.ClassFile;
aoqi@0 35 import com.sun.tools.classfile.Code_attribute;
aoqi@0 36 import com.sun.tools.classfile.ConstantPool.CPRefInfo;
aoqi@0 37 import com.sun.tools.classfile.Instruction;
aoqi@0 38 import com.sun.tools.classfile.Method;
aoqi@0 39 import com.sun.tools.classfile.Opcode;
aoqi@0 40
aoqi@0 41 interface BaseInterface {
aoqi@0 42 public default int testedMethod(){ return 1; }
aoqi@0 43 }
aoqi@0 44
aoqi@0 45 interface IntermediateInterface extends BaseInterface {
aoqi@0 46 }
aoqi@0 47
aoqi@0 48 interface TestInterface extends IntermediateInterface {
aoqi@0 49 public default void test() {
aoqi@0 50 IntermediateInterface.super.testedMethod();
aoqi@0 51 }
aoqi@0 52 }
aoqi@0 53
aoqi@0 54 abstract class BaseClass implements BaseInterface { }
aoqi@0 55
aoqi@0 56 class TestClass extends BaseClass implements BaseInterface {
aoqi@0 57 public int testedMethod() {return 9;}
aoqi@0 58 public void test() {
aoqi@0 59 if (super.testedMethod() != 1)
aoqi@0 60 throw new IllegalStateException();
aoqi@0 61 if (TestClass.super.testedMethod() != 1)
aoqi@0 62 throw new IllegalStateException();
aoqi@0 63 new Runnable() {
aoqi@0 64 public void run() {
aoqi@0 65 if (TestClass.super.testedMethod() != 1)
aoqi@0 66 throw new IllegalStateException();
aoqi@0 67 }
aoqi@0 68 }.run();
aoqi@0 69 }
aoqi@0 70 }
aoqi@0 71
aoqi@0 72 public class TestDirectSuperInterfaceInvoke {
aoqi@0 73 public static void main(String... args) throws Exception {
aoqi@0 74 new TestDirectSuperInterfaceInvoke().run();
aoqi@0 75 }
aoqi@0 76
aoqi@0 77 public void run() throws Exception {
aoqi@0 78 new TestClass().test();
aoqi@0 79 verifyDefaultBody("TestClass.class");
aoqi@0 80 new TestInterface() {}.test();
aoqi@0 81 verifyDefaultBody("TestInterface.class");
aoqi@0 82 }
aoqi@0 83
aoqi@0 84 void verifyDefaultBody(String classFile) {
aoqi@0 85 String workDir = System.getProperty("test.classes");
aoqi@0 86 File file = new File(workDir, classFile);
aoqi@0 87 try {
aoqi@0 88 final ClassFile cf = ClassFile.read(file);
aoqi@0 89 for (Method m : cf.methods) {
aoqi@0 90 Code_attribute codeAttr = (Code_attribute)m.attributes.get(Attribute.Code);
aoqi@0 91 for (Instruction instr : codeAttr.getInstructions()) {
aoqi@0 92 if (instr.getOpcode() == Opcode.INVOKESPECIAL) {
aoqi@0 93 int pc_index = instr.getShort(1);
aoqi@0 94 CPRefInfo ref = (CPRefInfo)cf.constant_pool.get(pc_index);
aoqi@0 95 String className = ref.getClassName();
aoqi@0 96 if (className.equals("BaseInterface"))
aoqi@0 97 throw new IllegalStateException("Must not directly refer to TestedInterface");
aoqi@0 98 }
aoqi@0 99 }
aoqi@0 100 }
aoqi@0 101 } catch (Exception e) {
aoqi@0 102 e.printStackTrace();
aoqi@0 103 throw new Error("error reading " + file +": " + e);
aoqi@0 104 }
aoqi@0 105 }
aoqi@0 106
aoqi@0 107 }

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