Mercurial > hg > truffle
comparison test/compiler/7141637/SpreadNullArg.java @ 4874:392a3f07d567
7141637: JSR 292: MH spread invoker crashes with NULL argument on x86_32
Reviewed-by: twisti
Contributed-by: Volker Simonis <volker.simonis@gmail.com>
author | twisti |
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date | Thu, 02 Feb 2012 09:14:38 -0800 |
parents | |
children | 62084ffe573b |
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4873:0382d2b469b2 | 4874:392a3f07d567 |
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1 /* | |
2 * Copyright 2011 SAP AG. 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 SpreadNullArg | |
26 * @bug 7141637 | |
27 * @summary verifies that the MethodHandle spread adapter can gracefully handle null arguments. | |
28 * @run main SpreadNullArg | |
29 * @author volker.simonis@gmail.com | |
30 */ | |
31 | |
32 import java.lang.invoke.MethodHandle; | |
33 import java.lang.invoke.MethodHandles; | |
34 import java.lang.invoke.MethodType; | |
35 | |
36 public class SpreadNullArg { | |
37 | |
38 public static void main(String args[]) { | |
39 | |
40 MethodType mt_ref_arg = MethodType.methodType(int.class, Integer.class); | |
41 MethodHandle mh_spreadInvoker = MethodHandles.spreadInvoker(mt_ref_arg, 0); | |
42 MethodHandle mh_spread_target; | |
43 int result = 42; | |
44 | |
45 try { | |
46 mh_spread_target = | |
47 MethodHandles.lookup().findStatic(SpreadNullArg.class, "target_spread_arg", mt_ref_arg); | |
48 result = (int) mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null); | |
49 } catch(NullPointerException e) { | |
50 // Expected exception - do nothing! | |
51 } catch(Throwable e) { | |
52 throw new Error(e); | |
53 } | |
54 | |
55 if (result != 42) throw new Error("Expected NullPointerException was not thrown"); | |
56 } | |
57 | |
58 public static int target_spread_arg(Integer i1) { | |
59 return i1.intValue(); | |
60 } | |
61 | |
62 } |