1/*
2 * Copyright (c) 2008, 2014, 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/*
25 * @test
26 * @bug 6754038 6979327
27 * @summary Generate call sites for method handle
28 * @author jrose
29 *
30 * @compile 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
43package meth;
44
45import java.lang.invoke.MethodHandle;
46
47public class InvokeMH {
48    void test(MethodHandle mh_SiO,
49              MethodHandle mh_vS,
50              MethodHandle mh_vi,
51              MethodHandle mh_vv) throws Throwable {
52        Object o; String s; int i;  // for return type testing
53
54        // next five must have sig = (String,int)Object
55        mh_SiO.invokeExact("world", 123);
56        mh_SiO.invokeExact("mundus", 456);
57        Object k = "kosmos";
58        mh_SiO.invokeExact((String)k, 789);
59        o = mh_SiO.invokeExact((String)null, 000);
60        o = (Object) mh_SiO.invokeExact("arda", -123);
61
62        // sig = ()String
63        s = (String) mh_vS.invokeExact();
64
65        // sig = ()int
66        i = (int) mh_vi.invokeExact();
67        o = (int) mh_vi.invokeExact();
68
69        // sig = ()void
70        mh_vv.invokeExact();
71    }
72
73    void testGen(MethodHandle mh_SiO,
74                 MethodHandle mh_vS,
75                 MethodHandle mh_vi,
76                 MethodHandle mh_vv) throws Throwable {
77        Object o; String s; int i;  // for return type testing
78
79        // next five must have sig = (*,*)*
80        o = mh_SiO.invoke((Object)"world", (Object)123);
81        mh_SiO.invoke((Object)"mundus", (Object)456);
82        Object k = "kosmos";
83        o = mh_SiO.invoke(k, 789);
84        o = mh_SiO.invoke(null, 000);
85        o = mh_SiO.invoke("arda", -123);
86
87        // sig = ()String
88        o = mh_vS.invoke();
89
90        // sig = ()int
91        i = (int) mh_vi.invoke();
92        o = (int) mh_vi.invoke();
93        mh_vi.invoke();
94
95        // sig = ()void
96        mh_vv.invoke();
97        o = mh_vv.invoke();
98    }
99}
100