1 /*

     2  * Copyright (c) 2015, 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.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package compiler.calls.common;

    25 

    26 import jdk.test.lib.Asserts;

    27 

    28 /**

    29  * A test class checking InvokeInterface instruction

    30  */

    31 public class InvokeInterface extends CallsBase implements CallInterface {

    32     private static final Object LOCK = new Object();

    33 

    34     public static void main(String args[]) {

    35         new InvokeInterface().runTest(args);

    36     }

    37 

    38     /**

    39      * A caller method, assumed to called "callee"/"calleeNative"

    40      */

    41     @Override

    42     public void caller() {

    43         // cast to CallInterface to force invokeinterface usage

    44         if (nativeCallee) {

    45             Asserts.assertTrue(((CallInterface) this)

    46                     .calleeNative(1, 2L, 3.0f, 4.0d, "5"), CALL_ERR_MSG);

    47         } else {

    48             Asserts.assertTrue(((CallInterface) this)

    49                     .callee(1, 2L, 3.0f, 4.0d, "5"), CALL_ERR_MSG);

    50         }

    51     }

    52 

    53     /**

    54      * A callee method, assumed to be called by "caller"/"callerNative"

    55      */

    56     @Override

    57     public boolean callee(int param1, long param2, float param3, double param4,

    58             String param5) {

    59         calleeVisited = true;

    60         CallsBase.checkValues(param1, param2, param3, param4, param5);

    61         return true;

    62     }

    63 

    64     /**

    65      * A native callee method, assumed to be called by "caller"/"callerNative"

    66      */

    67     @Override

    68     public native boolean calleeNative(int param1, long param2, float param3,

    69             double param4, String param5);

    70 

    71     /**

    72      * Returns object to lock execution on

    73      * @return lock object

    74      */

    75     @Override

    76     protected Object getLockObject() {

    77         return LOCK;

    78     }

    79 

    80     @Override

    81     protected void callerNative() {

    82         throw new Error("No native call for invokeinterface");

    83     }

    84 }