langtools/test/tools/javac/meth/InvokeMH.java
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child 5736 ee0850472ca1
child 5520 86e4b9a9da40
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     1 /*
       
     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    21  * have any questions.
       
    22  */
       
    23 
       
    24 /*
       
    25  * @test
       
    26  * @bug 6754038
       
    27  * @summary Generate call sites for method handle
       
    28  * @author jrose
       
    29  *
       
    30  * @compile -source 7 -target 7 InvokeMH.java
       
    31  */
       
    32 
       
    33 /*
       
    34  * Standalone testing:
       
    35  * <code>
       
    36  * $ cd $MY_REPO_DIR/langtools
       
    37  * $ (cd make; make)
       
    38  * $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java
       
    39  * $ javap -c -classpath dist meth.InvokeMH
       
    40  * </code>
       
    41  */
       
    42 
       
    43 package meth;
       
    44 
       
    45 import java.dyn.MethodHandle;
       
    46 
       
    47 public class InvokeMH {
       
    48     void test(MethodHandle mh_SiO,
       
    49               MethodHandle mh_vS,
       
    50               MethodHandle mh_vi,
       
    51               MethodHandle mh_vv) {
       
    52         Object o; String s; int i;  // for return type testing
       
    53 
       
    54         // next five must have sig = (String,int)Object
       
    55         mh_SiO.invoke("world", 123);
       
    56         mh_SiO.invoke("mundus", 456);
       
    57         Object k = "kosmos";
       
    58         mh_SiO.invoke((String)k, 789);
       
    59         o = mh_SiO.invoke((String)null, 000);
       
    60         o = mh_SiO.<Object>invoke("arda", -123);
       
    61 
       
    62         // sig = ()String
       
    63         s = mh_vS.<String>invoke();
       
    64 
       
    65         // sig = ()int
       
    66         i = mh_vi.<int>invoke();
       
    67         o = mh_vi.<int>invoke();
       
    68         //s = mh_vi.<int>invoke(); //BAD
       
    69         mh_vi.<int>invoke();
       
    70 
       
    71         // sig = ()void
       
    72         //o = mh_vv.<void>invoke(); //BAD
       
    73         mh_vv.<void>invoke();
       
    74     }
       
    75 }