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test/runtime/lambda-features/TestConcreteClassWithAbstractMethod.java@3820a7d64760 (annotated)

test/runtime/lambda-features/TestConcreteClassWithAbstractMethod.java

Wed, 20 May 2015 09:07:36 -0400

author

skovalev

date

Wed, 20 May 2015 09:07:36 -0400

changeset 7871

3820a7d64760

parent 0

f90c822e73f8

permissions

-rw-r--r--

8078834: [TESTBUG] Tests fails on ARM64 due to unknown hardware
Reviewed-by: dholmes, adinn

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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	/*
aoqi@0	26	* @test
aoqi@0	27	* @bug 8032010
aoqi@0	28	* @summary method lookup on an abstract method in a concrete class should be successful
aoqi@0	29	* @run main TestConcreteClassWithAbstractMethod
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import jdk.internal.org.objectweb.asm.ClassWriter;
aoqi@0	33	import jdk.internal.org.objectweb.asm.MethodVisitor;
aoqi@0	34
aoqi@0	35	import static jdk.internal.org.objectweb.asm.Opcodes.*;
aoqi@0	36
aoqi@0	37	/*
aoqi@0	38	* class T1 { public int m() {} }
aoqi@0	39	* class T2 { public abstract int m(); }
aoqi@0	40	* class T3 { public int m() {} }
aoqi@0	41	*
aoqi@0	42	* Call site: T3.test() { invokevirtual T2.m() }
aoqi@0	43	* T3.m() should be invoked
aoqi@0	44	*/
aoqi@0	45	public class TestConcreteClassWithAbstractMethod {
aoqi@0	46	static final String classT1 = "p1.T1";
aoqi@0	47	static final String classT2 = "p1.T2";
aoqi@0	48	static final String classT3 = "p1.T3";
aoqi@0	49
aoqi@0	50	static final String callerName = classT3;
aoqi@0	51
aoqi@0	52	public static void main(String[] args) throws Exception {
aoqi@0	53	ClassLoader cl = new ClassLoader() {
aoqi@0	54	public Class<?> loadClass(String name) throws ClassNotFoundException {
aoqi@0	55	if (findLoadedClass(name) != null) {
aoqi@0	56	return findLoadedClass(name);
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	if (classT1.equals(name)) {
aoqi@0	60	byte[] classFile = dumpT1();
aoqi@0	61	return defineClass(classT1, classFile, 0, classFile.length);
aoqi@0	62	}
aoqi@0	63	if (classT2.equals(name)) {
aoqi@0	64	byte[] classFile = dumpT2();
aoqi@0	65	return defineClass(classT2, classFile, 0, classFile.length);
aoqi@0	66	}
aoqi@0	67	if (classT3.equals(name)) {
aoqi@0	68	byte[] classFile = dumpT3();
aoqi@0	69	return defineClass(classT3, classFile, 0, classFile.length);
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	return super.loadClass(name);
aoqi@0	73	}
aoqi@0	74	};
aoqi@0	75
aoqi@0	76	cl.loadClass(classT1);
aoqi@0	77	cl.loadClass(classT2);
aoqi@0	78	cl.loadClass(classT3);
aoqi@0	79
aoqi@0	80	//cl.loadClass(callerName).getDeclaredMethod("m");
aoqi@0	81	cl.loadClass(callerName).newInstance();
aoqi@0	82
aoqi@0	83	int result = (Integer)cl.loadClass(callerName).getDeclaredMethod("test").invoke(null);
aoqi@0	84	System.out.println(""+result);
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	public static byte[] dumpT1() {
aoqi@0	88	ClassWriter cw = new ClassWriter(0);
aoqi@0	89	MethodVisitor mv;
aoqi@0	90
aoqi@0	91	cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T1", null, "java/lang/Object", null);
aoqi@0	92	{
aoqi@0	93	mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
aoqi@0	94	mv.visitCode();
aoqi@0	95	mv.visitVarInsn(ALOAD, 0);
aoqi@0	96	mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
aoqi@0	97	mv.visitInsn(RETURN);
aoqi@0	98	mv.visitMaxs(1, 1);
aoqi@0	99	mv.visitEnd();
aoqi@0	100	}
aoqi@0	101	{
aoqi@0	102	mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
aoqi@0	103	mv.visitCode();
aoqi@0	104	mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
aoqi@0	105	mv.visitLdcInsn("p1/T1.m()");
aoqi@0	106	mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
aoqi@0	107	mv.visitIntInsn(BIPUSH, 3);
aoqi@0	108	mv.visitInsn(IRETURN);
aoqi@0	109	mv.visitMaxs(2, 1);
aoqi@0	110	mv.visitEnd();
aoqi@0	111	}
aoqi@0	112	cw.visitEnd();
aoqi@0	113
aoqi@0	114	return cw.toByteArray();
aoqi@0	115	}
aoqi@0	116
aoqi@0	117	public static byte[] dumpT2() {
aoqi@0	118	ClassWriter cw = new ClassWriter(0);
aoqi@0	119	MethodVisitor mv;
aoqi@0	120
aoqi@0	121	cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T2", null, "p1/T1", null);
aoqi@0	122	{
aoqi@0	123	mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
aoqi@0	124	mv.visitCode();
aoqi@0	125	mv.visitVarInsn(ALOAD, 0);
aoqi@0	126	mv.visitMethodInsn(INVOKESPECIAL, "p1/T1", "<init>", "()V", false);
aoqi@0	127	mv.visitInsn(RETURN);
aoqi@0	128	mv.visitMaxs(1, 1);
aoqi@0	129	mv.visitEnd();
aoqi@0	130	}
aoqi@0	131	{
aoqi@0	132	mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null, null);
aoqi@0	133	mv.visitEnd();
aoqi@0	134	}
aoqi@0	135	cw.visitEnd();
aoqi@0	136
aoqi@0	137	return cw.toByteArray();
aoqi@0	138	}
aoqi@0	139
aoqi@0	140	public static byte[] dumpT3() {
aoqi@0	141	ClassWriter cw = new ClassWriter(0);
aoqi@0	142	MethodVisitor mv;
aoqi@0	143
aoqi@0	144	cw.visit(52, ACC_PUBLIC + ACC_SUPER, "p1/T3", null, "p1/T2", null);
aoqi@0	145
aoqi@0	146	{
aoqi@0	147	mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
aoqi@0	148	mv.visitCode();
aoqi@0	149	mv.visitVarInsn(ALOAD, 0);
aoqi@0	150	mv.visitMethodInsn(INVOKESPECIAL, "p1/T2", "<init>", "()V", false);
aoqi@0	151	mv.visitInsn(RETURN);
aoqi@0	152	mv.visitMaxs(1, 1);
aoqi@0	153	mv.visitEnd();
aoqi@0	154	}
aoqi@0	155	{
aoqi@0	156	mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
aoqi@0	157	mv.visitCode();
aoqi@0	158	mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
aoqi@0	159	mv.visitLdcInsn("p1/T3.m()");
aoqi@0	160	mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
aoqi@0	161	mv.visitIntInsn(BIPUSH, 2);
aoqi@0	162	mv.visitInsn(IRETURN);
aoqi@0	163	mv.visitMaxs(2, 1);
aoqi@0	164	mv.visitEnd();
aoqi@0	165	}
aoqi@0	166	{
aoqi@0	167	mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
aoqi@0	168	mv.visitCode();
aoqi@0	169	mv.visitTypeInsn(NEW, "p1/T3");
aoqi@0	170	mv.visitInsn(DUP);
aoqi@0	171	mv.visitMethodInsn(INVOKESPECIAL, "p1/T3", "<init>", "()V", false);
aoqi@0	172	mv.visitMethodInsn(INVOKEVIRTUAL, "p1/T2", "m", "()I", false);
aoqi@0	173	mv.visitInsn(IRETURN);
aoqi@0	174	mv.visitMaxs(3, 2);
aoqi@0	175	mv.visitEnd();
aoqi@0	176	}
aoqi@0	177	cw.visitEnd();
aoqi@0	178
aoqi@0	179	return cw.toByteArray();
aoqi@0	180	}
aoqi@0	181	}