--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/vm/verifier/defaultMethods/DefaultMethodRegressionTests.java Wed Aug 14 08:12:36 2013 -0700
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2012, 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. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 8003639
+ * @summary defaultMethod resolution and verification
+ * @run main DefaultMethodRegressionTests
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * This set of classes/interfaces (K/I/C) is specially designed to expose a
+ * bug in the JVM where it did not find some overloaded methods in some
+ * specific situations. (fixed by hotspot changeset ffb9316fd9ed).
+ */
+interface K {
+ int bbb(Long l);
+}
+
+interface I extends K {
+ default void aaa() {}
+ default void aab() {}
+ default void aac() {}
+
+ default int bbb(Integer i) { return 22; }
+ default int bbb(Float f) { return 33; }
+ default int bbb(Long l) { return 44; }
+ default int bbb(Double d) { return 55; }
+ default int bbb(String s) { return 66; }
+
+ default void caa() {}
+ default void cab() {}
+ default void cac() {}
+}
+
+class C implements I {}
+
+public class DefaultMethodRegressionTests {
+ public static void main(String... args) {
+ new DefaultMethodRegressionTests().run(args);
+ }
+ void run(String... args) {
+ testLostOverloadedMethod();
+ System.out.println("testLostOverloadedMethod: OK");
+ testInferenceVerifier();
+ System.out.println("testInferenceVerifier: OK");
+ }
+ void testLostOverloadedMethod() {
+ C c = new C();
+ assertEquals(c.bbb(new Integer(1)), 22);
+ assertEquals(c.bbb(new Float(1.1)), 33);
+ assertEquals(c.bbb(new Long(1L)), 44);
+ assertEquals(c.bbb(new Double(0.01)), 55);
+ assertEquals(c.bbb(new String("")), 66);
+ }
+ // Test to ensure that the inference verifier accepts older classfiles
+ // with classes that implement interfaces with defaults.
+ void testInferenceVerifier() {
+ // interface I { int m() default { return 99; } }
+ byte I_bytes[] = {
+ (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x34,
+ 0x00, 0x08, 0x07, 0x00, 0x06, 0x07, 0x00, 0x07,
+ 0x01, 0x00, 0x03, 0x66, 0x6f, 0x6f, 0x01, 0x00,
+ 0x03, 0x28, 0x29, 0x49, 0x01, 0x00, 0x04, 0x43,
+ 0x6f, 0x64, 0x65, 0x01, 0x00, 0x01, 0x49, 0x01,
+ 0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
+ 0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
+ 0x63, 0x74, 0x06, 0x00, 0x00, 0x01, 0x00, 0x02,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x01,
+ 0x00, 0x03, 0x00, 0x04, 0x00, 0x01, 0x00, 0x05,
+ 0x00, 0x00, 0x00, 0x0f, 0x00, 0x01, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x03, 0x10, 0x63, (byte)0xac, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ // public class C implements I {} /* -target 1.5 */
+ byte C_bytes[] = {
+ (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x31,
+ 0x00, 0x0c, 0x0a, 0x00, 0x03, 0x00, 0x08, 0x07,
+ 0x00, 0x09, 0x07, 0x00, 0x0a, 0x07, 0x00, 0x0b,
+ 0x01, 0x00, 0x06, 0x3c, 0x69, 0x6e, 0x69, 0x74,
+ 0x3e, 0x01, 0x00, 0x03, 0x28, 0x29, 0x56, 0x01,
+ 0x00, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x0c, 0x00,
+ 0x05, 0x00, 0x06, 0x01, 0x00, 0x01, 0x43, 0x01,
+ 0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
+ 0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
+ 0x63, 0x74, 0x01, 0x00, 0x01, 0x49, 0x00, 0x21,
+ 0x00, 0x02, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04,
+ 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x05,
+ 0x00, 0x06, 0x00, 0x01, 0x00, 0x07, 0x00, 0x00,
+ 0x00, 0x11, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00,
+ 0x00, 0x05, 0x2a, (byte)0xb7, 0x00, 0x01, (byte)0xb1, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+
+ ClassLoader cl = new ClassLoader() {
+ protected Class<?> findClass(String name) {
+ if (name.equals("I")) {
+ return defineClass("I", I_bytes, 0, I_bytes.length);
+ } else if (name.equals("C")) {
+ return defineClass("C", C_bytes, 0, C_bytes.length);
+ } else {
+ return null;
+ }
+ }
+ };
+ try {
+ Class.forName("C", true, cl);
+ } catch (Exception e) {
+ // unmodified verifier will throw VerifyError
+ throw new RuntimeException(e);
+ }
+ }
+ void assertEquals(Object o1, Object o2) {
+ System.out.print("Expected: " + o1);
+ System.out.println(", Obtained: " + o2);
+ if (!o1.equals(o2)) {
+ throw new RuntimeException("got unexpected values");
+ }
+ }
+}