--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/lambda-features/TestConcreteClassWithAbstractMethod.java Wed Feb 05 15:14:47 2014 -0800
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2014, 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 8032010
+ * @summary method lookup on an abstract method in a concrete class should be successful
+ * @run main TestConcreteClassWithAbstractMethod
+ */
+
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.MethodVisitor;
+
+import static jdk.internal.org.objectweb.asm.Opcodes.*;
+
+/*
+ * class T1 { public int m() {} }
+ * class T2 { public abstract int m(); }
+ * class T3 { public int m() {} }
+ *
+ * Call site: T3.test() { invokevirtual T2.m() }
+ * T3.m() should be invoked
+ */
+public class TestConcreteClassWithAbstractMethod {
+ static final String classT1 = "p1.T1";
+ static final String classT2 = "p1.T2";
+ static final String classT3 = "p1.T3";
+
+ static final String callerName = classT3;
+
+ public static void main(String[] args) throws Exception {
+ ClassLoader cl = new ClassLoader() {
+ public Class<?> loadClass(String name) throws ClassNotFoundException {
+ if (findLoadedClass(name) != null) {
+ return findLoadedClass(name);
+ }
+
+ if (classT1.equals(name)) {
+ byte[] classFile = dumpT1();
+ return defineClass(classT1, classFile, 0, classFile.length);
+ }
+ if (classT2.equals(name)) {
+ byte[] classFile = dumpT2();
+ return defineClass(classT2, classFile, 0, classFile.length);
+ }
+ if (classT3.equals(name)) {
+ byte[] classFile = dumpT3();
+ return defineClass(classT3, classFile, 0, classFile.length);
+ }
+
+ return super.loadClass(name);
+ }
+ };
+
+ cl.loadClass(classT1);
+ cl.loadClass(classT2);
+ cl.loadClass(classT3);
+
+ //cl.loadClass(callerName).getDeclaredMethod("m");
+ cl.loadClass(callerName).newInstance();
+
+ int result = (Integer)cl.loadClass(callerName).getDeclaredMethod("test").invoke(null);
+ System.out.println(""+result);
+ }
+
+ public static byte[] dumpT1() {
+ ClassWriter cw = new ClassWriter(0);
+ MethodVisitor mv;
+
+ cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T1", null, "java/lang/Object", null);
+ {
+ mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
+ mv.visitCode();
+ mv.visitVarInsn(ALOAD, 0);
+ mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
+ mv.visitInsn(RETURN);
+ mv.visitMaxs(1, 1);
+ mv.visitEnd();
+ }
+ {
+ mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
+ mv.visitCode();
+ mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
+ mv.visitLdcInsn("p1/T1.m()");
+ mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
+ mv.visitIntInsn(BIPUSH, 3);
+ mv.visitInsn(IRETURN);
+ mv.visitMaxs(2, 1);
+ mv.visitEnd();
+ }
+ cw.visitEnd();
+
+ return cw.toByteArray();
+ }
+
+ public static byte[] dumpT2() {
+ ClassWriter cw = new ClassWriter(0);
+ MethodVisitor mv;
+
+ cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T2", null, "p1/T1", null);
+ {
+ mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
+ mv.visitCode();
+ mv.visitVarInsn(ALOAD, 0);
+ mv.visitMethodInsn(INVOKESPECIAL, "p1/T1", "<init>", "()V", false);
+ mv.visitInsn(RETURN);
+ mv.visitMaxs(1, 1);
+ mv.visitEnd();
+ }
+ {
+ mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null, null);
+ mv.visitEnd();
+ }
+ cw.visitEnd();
+
+ return cw.toByteArray();
+ }
+
+ public static byte[] dumpT3() {
+ ClassWriter cw = new ClassWriter(0);
+ MethodVisitor mv;
+
+ cw.visit(52, ACC_PUBLIC + ACC_SUPER, "p1/T3", null, "p1/T2", null);
+
+ {
+ mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
+ mv.visitCode();
+ mv.visitVarInsn(ALOAD, 0);
+ mv.visitMethodInsn(INVOKESPECIAL, "p1/T2", "<init>", "()V", false);
+ mv.visitInsn(RETURN);
+ mv.visitMaxs(1, 1);
+ mv.visitEnd();
+ }
+ {
+ mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
+ mv.visitCode();
+ mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
+ mv.visitLdcInsn("p1/T3.m()");
+ mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
+ mv.visitIntInsn(BIPUSH, 2);
+ mv.visitInsn(IRETURN);
+ mv.visitMaxs(2, 1);
+ mv.visitEnd();
+ }
+ {
+ mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
+ mv.visitCode();
+ mv.visitTypeInsn(NEW, "p1/T3");
+ mv.visitInsn(DUP);
+ mv.visitMethodInsn(INVOKESPECIAL, "p1/T3", "<init>", "()V", false);
+ mv.visitMethodInsn(INVOKEVIRTUAL, "p1/T2", "m", "()I", false);
+ mv.visitInsn(IRETURN);
+ mv.visitMaxs(3, 2);
+ mv.visitEnd();
+ }
+ cw.visitEnd();
+
+ return cw.toByteArray();
+ }
+}