/*
* Copyright ( c ) 2008 , 2010 , Oracle and / or its affiliates . 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
* @ bug 6751514
* @ summary Unary post - increment with type variables crash javac during lowering
* @ author Maurizio Cimadamore
*/
public class T6751514 {
static class Foo<X> {
X x;
Foo (X x) {
this .x = x;
}
}
static void test1(Foo<Integer> foo) {
int start = foo.x;
equals(foo.x += 1 , start + 1 );
equals(foo.x++, start + 1 );
equals(++foo.x, start + 3 );
equals(foo.x--, start + 3 );
equals(foo.x -= 1 , start + 1 );
equals(--foo.x, start);
}
static void test2(Foo<Integer> foo) {
int start = foo.x;
equals((foo.x) += 1 , start + 1 );
equals((foo.x)++, start + 1 );
equals(++(foo.x), start + 3 );
equals((foo.x)--, start + 3 );
equals((foo.x) -= 1 , start + 1 );
equals(--(foo.x), start);
}
static void test3(Foo<Integer> foo) {
int start = foo.x;
equals(((foo.x)) += 1 , start + 1 );
equals(((foo.x))++, start + 1 );
equals(++((foo.x)), start + 3 );
equals(((foo.x))--, start + 3 );
equals(((foo.x)) -= 1 , start + 1 );
equals(--((foo.x)), start);
}
public static void main(String[] args) {
test1(new Foo<Integer>(1 ));
test2(new Foo<Integer>(1 ));
test3(new Foo<Integer>(1 ));
}
static void equals(int found, int req) {
if (found != req) {
throw new AssertionError("Error (expected: " + req +
" - found: " + found + ")" );
}
}
}
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¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-01)
¤
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