109 lines
3.9 KiB
Java
109 lines
3.9 KiB
Java
/*
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* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8027281
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* @summary As per JVMS 4.9.2, invokespecial can only refer to direct superinterfaces
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* @modules jdk.jdeps/com.sun.tools.classfile
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* @compile TestDirectSuperInterfaceInvoke.java
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* @run main TestDirectSuperInterfaceInvoke
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*/
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import java.io.File;
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import com.sun.tools.classfile.Attribute;
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import com.sun.tools.classfile.ClassFile;
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import com.sun.tools.classfile.Code_attribute;
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import com.sun.tools.classfile.ConstantPool.CPRefInfo;
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import com.sun.tools.classfile.Instruction;
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import com.sun.tools.classfile.Method;
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import com.sun.tools.classfile.Opcode;
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interface BaseInterface {
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public default int testedMethod(){ return 1; }
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}
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interface IntermediateInterface extends BaseInterface {
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}
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interface TestInterface extends IntermediateInterface {
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public default void test() {
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IntermediateInterface.super.testedMethod();
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}
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}
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abstract class BaseClass implements BaseInterface { }
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class TestClass extends BaseClass implements BaseInterface {
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public int testedMethod() {return 9;}
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public void test() {
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if (super.testedMethod() != 1)
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throw new IllegalStateException();
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if (TestClass.super.testedMethod() != 1)
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throw new IllegalStateException();
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new Runnable() {
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public void run() {
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if (TestClass.super.testedMethod() != 1)
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throw new IllegalStateException();
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}
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}.run();
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}
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}
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public class TestDirectSuperInterfaceInvoke {
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public static void main(String... args) throws Exception {
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new TestDirectSuperInterfaceInvoke().run();
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}
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public void run() throws Exception {
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new TestClass().test();
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verifyDefaultBody("TestClass.class");
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new TestInterface() {}.test();
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verifyDefaultBody("TestInterface.class");
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}
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void verifyDefaultBody(String classFile) {
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String workDir = System.getProperty("test.classes");
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File file = new File(workDir, classFile);
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try {
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final ClassFile cf = ClassFile.read(file);
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for (Method m : cf.methods) {
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Code_attribute codeAttr = (Code_attribute)m.attributes.get(Attribute.Code);
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for (Instruction instr : codeAttr.getInstructions()) {
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if (instr.getOpcode() == Opcode.INVOKESPECIAL) {
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int pc_index = instr.getShort(1);
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CPRefInfo ref = (CPRefInfo)cf.constant_pool.get(pc_index);
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String className = ref.getClassName();
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if (className.equals("BaseInterface"))
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throw new IllegalStateException("Must not directly refer to TestedInterface");
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new Error("error reading " + file +": " + e);
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}
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}
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}
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