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test/compiler/6778657/Test.java@0fbdb4381b99 (annotated)

test/compiler/6778657/Test.java

Mon, 09 Mar 2009 13:28:46 -0700

author

xdono

date

Mon, 09 Mar 2009 13:28:46 -0700

changeset 1014

0fbdb4381b99

parent 943

6d8fc951eb25

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

kvn@943	1	/*
xdono@1014	2	* Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved.
kvn@943	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kvn@943	4	*
kvn@943	5	* This code is free software; you can redistribute it and/or modify it
kvn@943	6	* under the terms of the GNU General Public License version 2 only, as
kvn@943	7	* published by the Free Software Foundation.
kvn@943	8	*
kvn@943	9	* This code is distributed in the hope that it will be useful, but WITHOUT
kvn@943	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kvn@943	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
kvn@943	12	* version 2 for more details (a copy is included in the LICENSE file that
kvn@943	13	* accompanied this code).
kvn@943	14	*
kvn@943	15	* You should have received a copy of the GNU General Public License version
kvn@943	16	* 2 along with this work; if not, write to the Free Software Foundation,
kvn@943	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kvn@943	18	*
kvn@943	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
kvn@943	20	* CA 95054 USA or visit www.sun.com if you need additional information or
kvn@943	21	* have any questions.
kvn@943	22	*
kvn@943	23	*/
kvn@943	24
kvn@943	25	/*
kvn@943	26	* @test
kvn@943	27	* @bug 6778657
kvn@943	28	* @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn@943	29	*/
kvn@943	30
kvn@943	31	public class Test {
kvn@943	32	public static void check_f2i(int expect) {
kvn@943	33	float check = expect;
kvn@943	34	check *= 2;
kvn@943	35	int actual = (int) check;
kvn@943	36	if (actual != expect)
kvn@943	37	throw new RuntimeException("expecting " + expect + ", got " + actual);
kvn@943	38	}
kvn@943	39
kvn@943	40	public static void check_f2l(long expect) {
kvn@943	41	float check = expect;
kvn@943	42	check *= 2;
kvn@943	43	long actual = (long) check;
kvn@943	44	if (actual != expect)
kvn@943	45	throw new RuntimeException("expecting " + expect + ", got " + actual);
kvn@943	46	}
kvn@943	47
kvn@943	48	public static void check_d2i(int expect) {
kvn@943	49	double check = expect;
kvn@943	50	check *= 2;
kvn@943	51	int actual = (int) check;
kvn@943	52	if (actual != expect)
kvn@943	53	throw new RuntimeException("expecting " + expect + ", got " + actual);
kvn@943	54	}
kvn@943	55
kvn@943	56	public static void check_d2l(long expect) {
kvn@943	57	double check = expect;
kvn@943	58	check *= 2;
kvn@943	59	long actual = (long) check;
kvn@943	60	if (actual != expect)
kvn@943	61	throw new RuntimeException("expecting " + expect + ", got " + actual);
kvn@943	62	}
kvn@943	63
kvn@943	64	public static void main(String[] args) {
kvn@943	65	check_f2i(Integer.MAX_VALUE);
kvn@943	66	check_f2i(Integer.MIN_VALUE);
kvn@943	67	check_f2l(Long.MAX_VALUE);
kvn@943	68	check_f2l(Long.MIN_VALUE);
kvn@943	69	check_d2i(Integer.MAX_VALUE);
kvn@943	70	check_d2i(Integer.MIN_VALUE);
kvn@943	71	check_d2l(Long.MAX_VALUE);
kvn@943	72	check_d2l(Long.MIN_VALUE);
kvn@943	73	}
kvn@943	74	}
kvn@943	75