test/tools/javac/defaultMethods/defaultMethodExecution/DefaultMethodRegressionTests.java

changeset 1438
0e70eb71fec0
child 1448
7d34e91f66bb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/defaultMethods/defaultMethodExecution/DefaultMethodRegressionTests.java	Tue Dec 04 17:19:42 2012 +0000
     1.3 @@ -0,0 +1,138 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +/**
    1.30 + * @test
    1.31 + * @ignore 8004360
    1.32 + * @bug 8003639
    1.33 + * @summary convert lambda testng tests to jtreg and add them
    1.34 + * @run testng DefaultMethodRegressionTests
    1.35 + */
    1.36 +
    1.37 +import java.util.ArrayList;
    1.38 +import java.util.Arrays;
    1.39 +import java.util.List;
    1.40 +import org.testng.annotations.Test;
    1.41 +
    1.42 +import static org.testng.Assert.*;
    1.43 +
    1.44 +/**
    1.45 + * This set of classes/interfaces (K/I/C) is specially designed to expose a
    1.46 + * bug in the JVM where it did not find some overloaded methods in some
    1.47 + * specific situations. (fixed by hotspot changeset ffb9316fd9ed)
    1.48 + */
    1.49 +interface K {
    1.50 +    int bbb(Long l);
    1.51 +}
    1.52 +
    1.53 +interface I extends K {
    1.54 +    default void aaa() {}
    1.55 +    default void aab() {}
    1.56 +    default void aac() {}
    1.57 +
    1.58 +    default int bbb(Integer i) { return 22; }
    1.59 +    default int bbb(Float f) { return 33; }
    1.60 +    default int bbb(Long l) { return 44; }
    1.61 +    default int bbb(Double d) { return 55; }
    1.62 +    default int bbb(String s) { return 66; }
    1.63 +
    1.64 +    default void caa() {}
    1.65 +    default void cab() {}
    1.66 +    default void cac() {}
    1.67 +}
    1.68 +
    1.69 +class C implements I {}
    1.70 +
    1.71 +public class DefaultMethodRegressionTests {
    1.72 +
    1.73 +    @Test(groups = "vm")
    1.74 +    public void testLostOverloadedMethod() {
    1.75 +        C c = new C();
    1.76 +        assertEquals(c.bbb(new Integer(1)), 22);
    1.77 +        assertEquals(c.bbb(new Float(1.1)), 33);
    1.78 +        assertEquals(c.bbb(new Long(1L)), 44);
    1.79 +        assertEquals(c.bbb(new Double(0.01)), 55);
    1.80 +        assertEquals(c.bbb(new String("")), 66);
    1.81 +    }
    1.82 +
    1.83 +    // Test to ensure that the inference verifier accepts older classfiles
    1.84 +    // with classes that implement interfaces with defaults.
    1.85 +    @Test(groups = "vm")
    1.86 +    public void testInferenceVerifier() {
    1.87 +        // interface I { int m() default { return 99; } }
    1.88 +        byte I_bytes[] = {
    1.89 +            (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x33,
    1.90 +            0x00, 0x08, 0x07, 0x00, 0x06, 0x07, 0x00, 0x07,
    1.91 +            0x01, 0x00, 0x03, 0x66, 0x6f, 0x6f, 0x01, 0x00,
    1.92 +            0x03, 0x28, 0x29, 0x49, 0x01, 0x00, 0x04, 0x43,
    1.93 +            0x6f, 0x64, 0x65, 0x01, 0x00, 0x01, 0x49, 0x01,
    1.94 +            0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
    1.95 +            0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
    1.96 +            0x63, 0x74, 0x06, 0x00, 0x00, 0x01, 0x00, 0x02,
    1.97 +            0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x01,
    1.98 +            0x00, 0x03, 0x00, 0x04, 0x00, 0x01, 0x00, 0x05,
    1.99 +            0x00, 0x00, 0x00, 0x0f, 0x00, 0x01, 0x00, 0x01,
   1.100 +            0x00, 0x00, 0x00, 0x03, 0x10, 0x63, (byte)0xac, 0x00,
   1.101 +            0x00, 0x00, 0x00, 0x00, 0x00
   1.102 +        };
   1.103 +        // public class C implements I {}  /* -target 1.5 */
   1.104 +        byte C_bytes[] = {
   1.105 +            (byte)0xca, (byte)0xfe, (byte)0xba, (byte)0xbe, 0x00, 0x00, 0x00, 0x31,
   1.106 +            0x00, 0x0c, 0x0a, 0x00, 0x03, 0x00, 0x08, 0x07,
   1.107 +            0x00, 0x09, 0x07, 0x00, 0x0a, 0x07, 0x00, 0x0b,
   1.108 +            0x01, 0x00, 0x06, 0x3c, 0x69, 0x6e, 0x69, 0x74,
   1.109 +            0x3e, 0x01, 0x00, 0x03, 0x28, 0x29, 0x56, 0x01,
   1.110 +            0x00, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x0c, 0x00,
   1.111 +            0x05, 0x00, 0x06, 0x01, 0x00, 0x01, 0x43, 0x01,
   1.112 +            0x00, 0x10, 0x6a, 0x61, 0x76, 0x61, 0x2f, 0x6c,
   1.113 +            0x61, 0x6e, 0x67, 0x2f, 0x4f, 0x62, 0x6a, 0x65,
   1.114 +            0x63, 0x74, 0x01, 0x00, 0x01, 0x49, 0x00, 0x21,
   1.115 +            0x00, 0x02, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04,
   1.116 +            0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x05,
   1.117 +            0x00, 0x06, 0x00, 0x01, 0x00, 0x07, 0x00, 0x00,
   1.118 +            0x00, 0x11, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00,
   1.119 +            0x00, 0x05, 0x2a, (byte)0xb7, 0x00, 0x01, (byte)0xb1, 0x00,
   1.120 +            0x00, 0x00, 0x00, 0x00, 0x00
   1.121 +        };
   1.122 +
   1.123 +        ClassLoader cl = new ClassLoader() {
   1.124 +            protected Class<?> findClass(String name) {
   1.125 +                if (name.equals("I")) {
   1.126 +                    return defineClass("I", I_bytes, 0, I_bytes.length);
   1.127 +                } else if (name.equals("C")) {
   1.128 +                    return defineClass("C", C_bytes, 0, C_bytes.length);
   1.129 +                } else {
   1.130 +                    return null;
   1.131 +                }
   1.132 +            }
   1.133 +        };
   1.134 +        try {
   1.135 +            Class.forName("C", true, cl);
   1.136 +        } catch (Exception e) {
   1.137 +            // unmodified verifier will throw VerifyError
   1.138 +            fail("No exception should be thrown");
   1.139 +        }
   1.140 +    }
   1.141 +}

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