Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
1 /*
2 * Copyright (c) 2008, 2010, 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 */
24 /*
25 * @test
26 * @bug 6754038 6979327
27 * @summary Generate call sites for method handle
28 * @author jrose
29 *
30 * @compile -source 7 -target 7 -XDallowTransitionalJSR292=no InvokeMH.java
31 */
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 */
43 package meth;
45 import java.lang.invoke.MethodHandle;
47 public 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
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);
62 // sig = ()String
63 s = (String) mh_vS.invokeExact();
65 // sig = ()int
66 i = (int) mh_vi.invokeExact();
67 o = (int) mh_vi.invokeExact();
69 // sig = ()void
70 mh_vv.invokeExact();
71 }
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
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);
87 // sig = ()String
88 o = mh_vS.invoke();
90 // sig = ()int
91 i = (int) mh_vi.invoke();
92 o = (int) mh_vi.invoke();
93 mh_vi.invoke();
95 // sig = ()void
96 mh_vv.invoke();
97 o = mh_vv.invoke();
98 }
99 }