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test/tools/javac/meth/InvokeMH.java@7909abb85562 (annotated)

test/tools/javac/meth/InvokeMH.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 1021

347349c981f2

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

jrose@267	1	/*
mcimadamore@674	2	* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
jrose@267	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jrose@267	4	*
jrose@267	5	* This code is free software; you can redistribute it and/or modify it
jrose@267	6	* under the terms of the GNU General Public License version 2 only, as
jrose@267	7	* published by the Free Software Foundation.
jrose@267	8	*
jrose@267	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jrose@267	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jrose@267	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jrose@267	12	* version 2 for more details (a copy is included in the LICENSE file that
jrose@267	13	* accompanied this code).
jrose@267	14	*
jrose@267	15	* You should have received a copy of the GNU General Public License version
jrose@267	16	* 2 along with this work; if not, write to the Free Software Foundation,
jrose@267	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jrose@267	18	*
ohair@554	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554	20	* or visit www.oracle.com if you need additional information or have any
ohair@554	21	* questions.
jrose@267	22	*/
jrose@267	23
jrose@267	24	/*
jrose@267	25	* @test
mcimadamore@674	26	* @bug 6754038 6979327
jrose@267	27	* @summary Generate call sites for method handle
jrose@267	28	* @author jrose
jrose@267	29	*
mcimadamore@674	30	* @compile -source 7 -target 7 -XDallowTransitionalJSR292=no InvokeMH.java
jrose@267	31	*/
jrose@267	32
jrose@267	33	/*
jrose@267	34	* Standalone testing:
jrose@267	35	* <code>
jrose@267	36	* $ cd $MY_REPO_DIR/langtools
jrose@267	37	* $ (cd make; make)
jrose@267	38	* $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java
jrose@267	39	* $ javap -c -classpath dist meth.InvokeMH
jrose@267	40	* </code>
jrose@267	41	*/
jrose@267	42
jrose@267	43	package meth;
jrose@267	44
ksrini@957	45	import java.lang.invoke.MethodHandle;
jrose@267	46
jrose@267	47	public class InvokeMH {
jrose@267	48	void test(MethodHandle mh_SiO,
jrose@267	49	MethodHandle mh_vS,
jrose@267	50	MethodHandle mh_vi,
jrose@571	51	MethodHandle mh_vv) throws Throwable {
jrose@267	52	Object o; String s; int i; // for return type testing
jrose@267	53
jrose@267	54	// next five must have sig = (String,int)Object
jrose@571	55	mh_SiO.invokeExact("world", 123);
jrose@571	56	mh_SiO.invokeExact("mundus", 456);
jrose@267	57	Object k = "kosmos";
jrose@571	58	mh_SiO.invokeExact((String)k, 789);
jrose@571	59	o = mh_SiO.invokeExact((String)null, 000);
mcimadamore@674	60	o = (Object) mh_SiO.invokeExact("arda", -123);
jrose@267	61
jrose@267	62	// sig = ()String
mcimadamore@674	63	s = (String) mh_vS.invokeExact();
jrose@267	64
jrose@267	65	// sig = ()int
mcimadamore@674	66	i = (int) mh_vi.invokeExact();
mcimadamore@674	67	o = (int) mh_vi.invokeExact();
jrose@267	68
jrose@267	69	// sig = ()void
mcimadamore@674	70	mh_vv.invokeExact();
jrose@571	71	}
jrose@571	72
jrose@571	73	void testGen(MethodHandle mh_SiO,
jrose@571	74	MethodHandle mh_vS,
jrose@571	75	MethodHandle mh_vi,
jrose@571	76	MethodHandle mh_vv) throws Throwable {
jrose@571	77	Object o; String s; int i; // for return type testing
jrose@571	78
jrose@571	79	// next five must have sig = (*,*)*
jjh@1021	80	o = mh_SiO.invoke((Object)"world", (Object)123);
jjh@1021	81	mh_SiO.invoke((Object)"mundus", (Object)456);
jrose@571	82	Object k = "kosmos";
jjh@1021	83	o = mh_SiO.invoke(k, 789);
jjh@1021	84	o = mh_SiO.invoke(null, 000);
jjh@1021	85	o = mh_SiO.invoke("arda", -123);
jrose@571	86
jrose@571	87	// sig = ()String
jjh@1021	88	o = mh_vS.invoke();
jrose@571	89
jrose@571	90	// sig = ()int
jjh@1021	91	i = (int) mh_vi.invoke();
jjh@1021	92	o = (int) mh_vi.invoke();
jjh@1021	93	mh_vi.invoke();
jrose@571	94
jrose@571	95	// sig = ()void
jjh@1021	96	mh_vv.invoke();
jjh@1021	97	o = mh_vv.invoke();
jrose@267	98	}
jrose@267	99	}