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test/tools/javac/meth/InvokeMHTrans.java@fdc67f5170e9 (annotated)

test/tools/javac/meth/InvokeMHTrans.java

Fri, 12 Nov 2010 12:33:52 +0000

author

mcimadamore

date

Fri, 12 Nov 2010 12:33:52 +0000

changeset 742

fdc67f5170e9

parent 674

584365f256a7

child 798

4868a36f6fd8

permissions

-rw-r--r--

6999067: cast for invokeExact call gets redundant cast to <type> warnings
Summary: Xlint:cast should not report cast used in order to specify target type in polymorphic signature calls
Reviewed-by: jjg

mcimadamore@674	1	/* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
mcimadamore@674	2	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@674	3	*
mcimadamore@674	4	* This code is free software; you can redistribute it and/or modify it
mcimadamore@674	5	* under the terms of the GNU General Public License version 2 only, as
mcimadamore@674	6	* published by the Free Software Foundation.
mcimadamore@674	7	*
mcimadamore@674	8	* This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@674	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@674	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@674	11	* version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@674	12	* accompanied this code).
mcimadamore@674	13	*
mcimadamore@674	14	* You should have received a copy of the GNU General Public License version
mcimadamore@674	15	* 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@674	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@674	17	*
mcimadamore@674	18	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mcimadamore@674	19	* or visit www.oracle.com if you need additional information or have any
mcimadamore@674	20	* questions.
mcimadamore@674	21	*/
mcimadamore@674	22
mcimadamore@674	23	/*
mcimadamore@674	24	* @test
mcimadamore@674	25	* @bug 6754038 6979327
mcimadamore@674	26	* @summary Generate call sites for method handle
mcimadamore@674	27	* @author jrose
mcimadamore@674	28	*
mcimadamore@674	29	* @compile/fail/ref=InvokeMHTrans.out -Werror -XDrawDiagnostics -source 7 -target 7 InvokeMHTrans.java
mcimadamore@674	30	*/
mcimadamore@674	31
mcimadamore@674	32	/*
mcimadamore@674	33	* Standalone testing:
mcimadamore@674	34	* <code>
mcimadamore@674	35	* $ cd $MY_REPO_DIR/langtools
mcimadamore@674	36	* $ (cd make; make)
mcimadamore@674	37	* $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java
mcimadamore@674	38	* $ javap -c -classpath dist meth.InvokeMH
mcimadamore@674	39	* </code>
mcimadamore@674	40	*/
mcimadamore@674	41
mcimadamore@674	42	package meth;
mcimadamore@674	43
mcimadamore@674	44	import java.dyn.MethodHandle;
mcimadamore@674	45
mcimadamore@674	46	public class InvokeMHTrans {
mcimadamore@674	47	void test(MethodHandle mh_SiO,
mcimadamore@674	48	MethodHandle mh_vS,
mcimadamore@674	49	MethodHandle mh_vi,
mcimadamore@674	50	MethodHandle mh_vv) throws Throwable {
mcimadamore@674	51	Object o; String s; int i; // for return type testing
mcimadamore@674	52
mcimadamore@674	53	// next five must have sig = (String,int)Object
mcimadamore@674	54	mh_SiO.invokeExact("world", 123);
mcimadamore@674	55	mh_SiO.invokeExact("mundus", 456);
mcimadamore@674	56	Object k = "kosmos";
mcimadamore@674	57	mh_SiO.invokeExact((String)k, 789);
mcimadamore@674	58	o = mh_SiO.invokeExact((String)null, 000);
mcimadamore@674	59	o = mh_SiO.<Object>invokeExact("arda", -123);
mcimadamore@674	60
mcimadamore@674	61	// sig = ()String
mcimadamore@674	62	s = mh_vS.<String>invokeExact();
mcimadamore@674	63
mcimadamore@674	64	// sig = ()int
mcimadamore@674	65	i = mh_vi.<int>invokeExact();
mcimadamore@674	66	o = mh_vi.<int>invokeExact();
mcimadamore@674	67	//s = mh_vi.<int>invokeExact(); //BAD
mcimadamore@674	68	mh_vi.<int>invokeExact();
mcimadamore@674	69
mcimadamore@674	70	// sig = ()void
mcimadamore@674	71	//o = mh_vv.<void>invokeExact(); //BAD
mcimadamore@674	72	mh_vv.<void>invokeExact();
mcimadamore@674	73	}
mcimadamore@674	74
mcimadamore@674	75	void testGen(MethodHandle mh_SiO,
mcimadamore@674	76	MethodHandle mh_vS,
mcimadamore@674	77	MethodHandle mh_vi,
mcimadamore@674	78	MethodHandle mh_vv) throws Throwable {
mcimadamore@674	79	Object o; String s; int i; // for return type testing
mcimadamore@674	80
mcimadamore@674	81	// next five must have sig = (*,*)*
mcimadamore@674	82	mh_SiO.invokeGeneric((Object)"world", (Object)123);
mcimadamore@674	83	mh_SiO.<void>invokeGeneric((Object)"mundus", (Object)456);
mcimadamore@674	84	Object k = "kosmos";
mcimadamore@674	85	mh_SiO.invokeGeneric(k, 789);
mcimadamore@674	86	o = mh_SiO.invokeGeneric(null, 000);
mcimadamore@674	87	o = mh_SiO.<Object>invokeGeneric("arda", -123);
mcimadamore@674	88
mcimadamore@674	89	// sig = ()String
mcimadamore@674	90	o = mh_vS.invokeGeneric();
mcimadamore@674	91
mcimadamore@674	92	// sig = ()int
mcimadamore@674	93	i = mh_vi.<int>invokeGeneric();
mcimadamore@674	94	o = mh_vi.invokeGeneric();
mcimadamore@674	95	//s = mh_vi.<int>invokeGeneric(); //BAD
mcimadamore@674	96	mh_vi.<void>invokeGeneric();
mcimadamore@674	97
mcimadamore@674	98	// sig = ()void
mcimadamore@674	99	//o = mh_vv.<void>invokeGeneric(); //BAD
mcimadamore@674	100	o = mh_vv.invokeGeneric();
mcimadamore@674	101	}
mcimadamore@674	102	}