Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/7141637/SpreadNullArg.java@5dcfeb396fed (annotated)
test/compiler/7141637/SpreadNullArg.java
Thu, 11 Apr 2013 09:39:57 -0700
- author
- katleman
- date
- Thu, 11 Apr 2013 09:39:57 -0700
- changeset 4883
- 5dcfeb396fed
- parent 3501
- 392a3f07d567
- child 6175
- 62084ffe573b
- permissions
- -rw-r--r--
Added tag jdk8-b85 for changeset 42fe530cd478
| twisti@3501 | 1 | /* |
| twisti@3501 | 2 | * Copyright 2011 SAP AG. All Rights Reserved. |
| twisti@3501 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| twisti@3501 | 4 | * |
| twisti@3501 | 5 | * This code is free software; you can redistribute it and/or modify it |
| twisti@3501 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| twisti@3501 | 7 | * published by the Free Software Foundation. |
| twisti@3501 | 8 | * |
| twisti@3501 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| twisti@3501 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| twisti@3501 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| twisti@3501 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| twisti@3501 | 13 | * accompanied this code). |
| twisti@3501 | 14 | * |
| twisti@3501 | 15 | * You should have received a copy of the GNU General Public License version |
| twisti@3501 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| twisti@3501 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| twisti@3501 | 18 | * |
| twisti@3501 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| twisti@3501 | 20 | * or visit www.oracle.com if you need additional information or have any |
| twisti@3501 | 21 | * questions. |
| twisti@3501 | 22 | */ |
| twisti@3501 | 23 | |
| twisti@3501 | 24 | /* |
| twisti@3501 | 25 | * @test SpreadNullArg |
| twisti@3501 | 26 | * @bug 7141637 |
| twisti@3501 | 27 | * @summary verifies that the MethodHandle spread adapter can gracefully handle null arguments. |
| twisti@3501 | 28 | * @run main SpreadNullArg |
| twisti@3501 | 29 | * @author volker.simonis@gmail.com |
| twisti@3501 | 30 | */ |
| twisti@3501 | 31 | |
| twisti@3501 | 32 | import java.lang.invoke.MethodHandle; |
| twisti@3501 | 33 | import java.lang.invoke.MethodHandles; |
| twisti@3501 | 34 | import java.lang.invoke.MethodType; |
| twisti@3501 | 35 | |
| twisti@3501 | 36 | public class SpreadNullArg { |
| twisti@3501 | 37 | |
| twisti@3501 | 38 | public static void main(String args[]) { |
| twisti@3501 | 39 | |
| twisti@3501 | 40 | MethodType mt_ref_arg = MethodType.methodType(int.class, Integer.class); |
| twisti@3501 | 41 | MethodHandle mh_spreadInvoker = MethodHandles.spreadInvoker(mt_ref_arg, 0); |
| twisti@3501 | 42 | MethodHandle mh_spread_target; |
| twisti@3501 | 43 | int result = 42; |
| twisti@3501 | 44 | |
| twisti@3501 | 45 | try { |
| twisti@3501 | 46 | mh_spread_target = |
| twisti@3501 | 47 | MethodHandles.lookup().findStatic(SpreadNullArg.class, "target_spread_arg", mt_ref_arg); |
| twisti@3501 | 48 | result = (int) mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null); |
| twisti@3501 | 49 | } catch(NullPointerException e) { |
| twisti@3501 | 50 | // Expected exception - do nothing! |
| twisti@3501 | 51 | } catch(Throwable e) { |
| twisti@3501 | 52 | throw new Error(e); |
| twisti@3501 | 53 | } |
| twisti@3501 | 54 | |
| twisti@3501 | 55 | if (result != 42) throw new Error("Expected NullPointerException was not thrown"); |
| twisti@3501 | 56 | } |
| twisti@3501 | 57 | |
| twisti@3501 | 58 | public static int target_spread_arg(Integer i1) { |
| twisti@3501 | 59 | return i1.intValue(); |
| twisti@3501 | 60 | } |
| twisti@3501 | 61 | |
| twisti@3501 | 62 | } |
