langtools/test/tools/javac/defaultMethods/defaultMethodExecution/DefaultMethodRegressionTests.java
changeset 20991 3ca67df6fcb7
parent 20990 c8bacf03212e
parent 19516 589f4fdc584e
child 20992 54817aa17609
equal deleted inserted replaced
20990:c8bacf03212e 20991:3ca67df6fcb7
     1 /*
       
     2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.  Oracle designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Oracle in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22  * or visit www.oracle.com if you need additional information or have any
       
    23  * questions.
       
    24  */
       
    25 
       
    26 /**
       
    27  * @test
       
    28  * @ignore 8007517: DefaultMethodRegressionTests.java fail in TL
       
    29  * @bug 8003639
       
    30  * @summary convert lambda testng tests to jtreg and add them
       
    31  * @run testng DefaultMethodRegressionTests
       
    32  */
       
    33 
       
    34 import java.util.ArrayList;
       
    35 import java.util.Arrays;
       
    36 import java.util.List;
       
    37 import org.testng.annotations.Test;
       
    38 
       
    39 import static org.testng.Assert.*;
       
    40 
       
    41 /**
       
    42  * This set of classes/interfaces (K/I/C) is specially designed to expose a
       
    43  * bug in the JVM where it did not find some overloaded methods in some
       
    44  * specific situations. (fixed by hotspot changeset ffb9316fd9ed)
       
    45  */
       
    46 interface K {
       
    47     int bbb(Long l);
       
    48 }
       
    49 
       
    50 interface I extends K {
       
    51     default void aaa() {}
       
    52     default void aab() {}
       
    53     default void aac() {}
       
    54 
       
    55     default int bbb(Integer i) { return 22; }
       
    56     default int bbb(Float f) { return 33; }
       
    57     default int bbb(Long l) { return 44; }
       
    58     default int bbb(Double d) { return 55; }
       
    59     default int bbb(String s) { return 66; }
       
    60 
       
    61     default void caa() {}
       
    62     default void cab() {}
       
    63     default void cac() {}
       
    64 }
       
    65 
       
    66 class C implements I {}
       
    67 
       
    68 public class DefaultMethodRegressionTests {
       
    69 
       
    70     @Test(groups = "vm")
       
    71     public void testLostOverloadedMethod() {
       
    72         C c = new C();
       
    73         assertEquals(c.bbb(new Integer(1)), 22);
       
    74         assertEquals(c.bbb(new Float(1.1)), 33);
       
    75         assertEquals(c.bbb(new Long(1L)), 44);
       
    76         assertEquals(c.bbb(new Double(0.01)), 55);
       
    77         assertEquals(c.bbb(new String("")), 66);
       
    78     }
       
    79 
       
    80     // Test to ensure that the inference verifier accepts older classfiles
       
    81     // with classes that implement interfaces with defaults.
       
    82     @Test(groups = "vm")
       
    83     public void testInferenceVerifier() {
       
    84         // interface I { int m() default { return 99; } }
       
    85         byte I_bytes[] = {
       
    86             (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x33,
       
    87             0x00, 0x08, 0x07, 0x00, 0x06, 0x07, 0x00, 0x07,
       
    88             0x01, 0x00, 0x03, 0x66, 0x6f, 0x6f, 0x01, 0x00,
       
    89             0x03, 0x28, 0x29, 0x49, 0x01, 0x00, 0x04, 0x43,
       
    90             0x6f, 0x64, 0x65, 0x01, 0x00, 0x01, 0x49, 0x01,
       
    91             0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
       
    92             0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
       
    93             0x63, 0x74, 0x06, 0x00, 0x00, 0x01, 0x00, 0x02,
       
    94             0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x01,
       
    95             0x00, 0x03, 0x00, 0x04, 0x00, 0x01, 0x00, 0x05,
       
    96             0x00, 0x00, 0x00, 0x0f, 0x00, 0x01, 0x00, 0x01,
       
    97             0x00, 0x00, 0x00, 0x03, 0x10, 0x63, (byte)0xac, 0x00,
       
    98             0x00, 0x00, 0x00, 0x00, 0x00
       
    99         };
       
   100         // public class C implements I {}  /* -target 1.5 */
       
   101         byte C_bytes[] = {
       
   102             (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x31,
       
   103             0x00, 0x0c, 0x0a, 0x00, 0x03, 0x00, 0x08, 0x07,
       
   104             0x00, 0x09, 0x07, 0x00, 0x0a, 0x07, 0x00, 0x0b,
       
   105             0x01, 0x00, 0x06, 0x3c, 0x69, 0x6e, 0x69, 0x74,
       
   106             0x3e, 0x01, 0x00, 0x03, 0x28, 0x29, 0x56, 0x01,
       
   107             0x00, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x0c, 0x00,
       
   108             0x05, 0x00, 0x06, 0x01, 0x00, 0x01, 0x43, 0x01,
       
   109             0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
       
   110             0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
       
   111             0x63, 0x74, 0x01, 0x00, 0x01, 0x49, 0x00, 0x21,
       
   112             0x00, 0x02, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04,
       
   113             0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x05,
       
   114             0x00, 0x06, 0x00, 0x01, 0x00, 0x07, 0x00, 0x00,
       
   115             0x00, 0x11, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00,
       
   116             0x00, 0x05, 0x2a, (byte)0xb7, 0x00, 0x01, (byte)0xb1, 0x00,
       
   117             0x00, 0x00, 0x00, 0x00, 0x00
       
   118         };
       
   119 
       
   120         ClassLoader cl = new ClassLoader() {
       
   121             protected Class<?> findClass(String name) {
       
   122                 if (name.equals("I")) {
       
   123                     return defineClass("I", I_bytes, 0, I_bytes.length);
       
   124                 } else if (name.equals("C")) {
       
   125                     return defineClass("C", C_bytes, 0, C_bytes.length);
       
   126                 } else {
       
   127                     return null;
       
   128                 }
       
   129             }
       
   130         };
       
   131         try {
       
   132             Class.forName("C", true, cl);
       
   133         } catch (Exception e) {
       
   134             // unmodified verifier will throw VerifyError
       
   135             fail("No exception should be thrown");
       
   136         }
       
   137     }
       
   138 }