1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/7141637/SpreadNullArg.java Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,66 @@
1.4 +/*
1.5 + * Copyright 2011 SAP AG. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test SpreadNullArg
1.29 + * @bug 7141637
1.30 + * @summary verifies that the MethodHandle spread adapter can gracefully handle null arguments.
1.31 + * @run main SpreadNullArg
1.32 + * @author volker.simonis@gmail.com
1.33 + */
1.34 +
1.35 +import java.lang.invoke.MethodHandle;
1.36 +import java.lang.invoke.MethodHandles;
1.37 +import java.lang.invoke.MethodType;
1.38 +
1.39 +public class SpreadNullArg {
1.40 +
1.41 + public static void main(String args[]) {
1.42 +
1.43 + MethodType mt_ref_arg = MethodType.methodType(int.class, Integer.class);
1.44 + MethodHandle mh_spreadInvoker = MethodHandles.spreadInvoker(mt_ref_arg, 0);
1.45 + MethodHandle mh_spread_target;
1.46 + int result = 42;
1.47 +
1.48 + try {
1.49 + mh_spread_target =
1.50 + MethodHandles.lookup().findStatic(SpreadNullArg.class, "target_spread_arg", mt_ref_arg);
1.51 + result = (int) mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null);
1.52 + throw new Error("Expected IllegalArgumentException was not thrown");
1.53 + } catch (IllegalArgumentException e) {
1.54 + System.out.println("Expected exception : " + e);
1.55 + } catch (Throwable e) {
1.56 + throw new Error(e);
1.57 + }
1.58 +
1.59 + if (result != 42) {
1.60 + throw new Error("result [" + result
1.61 + + "] != 42 : Expected IllegalArgumentException was not thrown?");
1.62 + }
1.63 + }
1.64 +
1.65 + public static int target_spread_arg(Integer i1) {
1.66 + return i1.intValue();
1.67 + }
1.68 +
1.69 +}
