diff -r b4441f6cfe79 -r c2304140ed64 hotspot/test/compiler/runtime/SpreadNullArg.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/compiler/runtime/SpreadNullArg.java Tue Jul 12 18:24:48 2016 +0300 @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2011 SAP SE. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test SpreadNullArg + * @bug 7141637 + * @summary verifies that the MethodHandle spread adapter can gracefully handle null arguments. + * + * @run main compiler.runtime.SpreadNullArg + * @author volker.simonis@gmail.com + */ + +package compiler.runtime; + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; + +public class SpreadNullArg { + + public static void main(String args[]) { + + MethodType mt_ref_arg = MethodType.methodType(int.class, Integer.class); + MethodHandle mh_spreadInvoker = MethodHandles.spreadInvoker(mt_ref_arg, 0); + MethodHandle mh_spread_target; + int result = 42; + + try { + mh_spread_target = + MethodHandles.lookup().findStatic(SpreadNullArg.class, "target_spread_arg", mt_ref_arg); + result = (int) mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null); + throw new Error("Expected IllegalArgumentException was not thrown"); + } catch (IllegalArgumentException e) { + System.out.println("Expected exception : " + e); + } catch (Throwable e) { + throw new Error(e); + } + + if (result != 42) { + throw new Error("result [" + result + + "] != 42 : Expected IllegalArgumentException was not thrown?"); + } + } + + public static int target_spread_arg(Integer i1) { + return i1.intValue(); + } + +}