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test/tools/javac/generics/T6869075.java@62fb6cafa93b (annotated)

test/tools/javac/generics/T6869075.java

Tue, 11 Aug 2009 01:13:42 +0100

author

mcimadamore

date

Tue, 11 Aug 2009 01:13:42 +0100

changeset 360

62fb6cafa93b

child 525

9871ce4fd56f

permissions

-rw-r--r--

6869075: regression: javac crashes when compiling compound string assignment with generics
Summary: javac should not add syntehtic cast to the LHS of an assignment expression
Reviewed-by: jjg

mcimadamore@360	1	/*
mcimadamore@360	2	* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
mcimadamore@360	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@360	4	*
mcimadamore@360	5	* This code is free software; you can redistribute it and/or modify it
mcimadamore@360	6	* under the terms of the GNU General Public License version 2 only, as
mcimadamore@360	7	* published by the Free Software Foundation.
mcimadamore@360	8	*
mcimadamore@360	9	* This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@360	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@360	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@360	12	* version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@360	13	* accompanied this code).
mcimadamore@360	14	*
mcimadamore@360	15	* You should have received a copy of the GNU General Public License version
mcimadamore@360	16	* 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@360	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@360	18	*
mcimadamore@360	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
mcimadamore@360	20	* CA 95054 USA or visit www.sun.com if you need additional information or
mcimadamore@360	21	* have any questions.
mcimadamore@360	22	*/
mcimadamore@360	23
mcimadamore@360	24	/*
mcimadamore@360	25	* @test
mcimadamore@360	26	* @bug 6869075
mcimadamore@360	27	* @summary regression: javac crashes when compiling compound string assignment with generics
mcimadamore@360	28	* @author mcimadamore
mcimadamore@360	29	*/
mcimadamore@360	30
mcimadamore@360	31	public class T6869075 {
mcimadamore@360	32
mcimadamore@360	33	static class Foo<X> {
mcimadamore@360	34	X x;
mcimadamore@360	35	Foo (X x) {
mcimadamore@360	36	this.x = x;
mcimadamore@360	37	}
mcimadamore@360	38	}
mcimadamore@360	39
mcimadamore@360	40	static void test1(Foo<String> foo) {
mcimadamore@360	41	String start = foo.x;
mcimadamore@360	42	equals(foo.x += "foo", start + "foo");
mcimadamore@360	43	}
mcimadamore@360	44
mcimadamore@360	45	static void test2(Foo<String> foo) {
mcimadamore@360	46	String start = foo.x;
mcimadamore@360	47	equals((foo.x += "foo"), (start + "foo"));
mcimadamore@360	48	}
mcimadamore@360	49
mcimadamore@360	50	static void test3(Foo<String> foo) {
mcimadamore@360	51	String start = foo.x;
mcimadamore@360	52	equals(((foo.x += "foo")), ((start + "foo")));
mcimadamore@360	53	}
mcimadamore@360	54
mcimadamore@360	55	public static void main(String[] args) {
mcimadamore@360	56	test1(new Foo<String>("Hello!"));
mcimadamore@360	57	test2(new Foo<String>("Hello!"));
mcimadamore@360	58	test3(new Foo<String>("Hello!"));
mcimadamore@360	59	}
mcimadamore@360	60
mcimadamore@360	61	static void equals(String found, String req) {
mcimadamore@360	62	if (!found.equals(req)) {
mcimadamore@360	63	throw new AssertionError("Error (expected: "+ req +
mcimadamore@360	64	" - found: " + found + ")");
mcimadamore@360	65	}
mcimadamore@360	66	}
mcimadamore@360	67	}