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 }