jdk-sandbox: test/hotspot/jtreg/compiler/c2/Test7009359.java@d374b1634589 (annotated)

7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	1	/*
49483 d374b1634589 8199777: Deprecate -XX:+AggressiveOpts thartmann parents: 47216 diff changeset	2	* Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	4	*
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	7	* published by the Free Software Foundation.
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	8	*
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	13	* accompanied this code).
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	14	*
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	18	*
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	21	* questions.
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	22	*/
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	23
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	24	/**
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	25	* @test
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	26	* @bug 7009359
49483 d374b1634589 8199777: Deprecate -XX:+AggressiveOpts thartmann parents: 47216 diff changeset	27	* @summary HS optimizes new StringBuffer(null) so it does not throw NPE as expected
7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	28	*
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 27699 diff changeset	29	* @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat
49483 d374b1634589 8199777: Deprecate -XX:+AggressiveOpts thartmann parents: 47216 diff changeset	30	* -XX:CompileCommand=dontinline,compiler.c2.Test7009359::stringmakerBUG
d374b1634589 8199777: Deprecate -XX:+AggressiveOpts thartmann parents: 47216 diff changeset	31	* compiler.c2.Test7009359
7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	32	*/
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	33
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 27699 diff changeset	34	package compiler.c2;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 27699 diff changeset	35
7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	36	public class Test7009359 {
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	37	public static void main (String[] args) {
15619 49374c89f545 8002169: TEST_BUG: compiler/7009359/Test7009359.java sometimes times out kmo parents: 7714 diff changeset	38	for(int i = 0; i < 100000; i++) {
7714 f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	39	if(!stringmakerBUG(null).equals("NPE")) {
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	40	System.out.println("StringBuffer(null) does not throw NPE");
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	41	System.exit(97);
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	42	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	43	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	44	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	45
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	46	public static String stringmakerBUG(String str) {
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	47	try {
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	48	return new StringBuffer(str).toString();
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	49	} catch (NullPointerException e) {
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	50	return "NPE";
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	51	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	52	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	53	}
f078cdefa674 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected kvn parents: diff changeset	54

author	thartmann
	Thu, 22 Mar 2018 08:39:51 +0100
changeset 49483	d374b1634589
parent 47216	71c04702a3d5
permissions	-rw-r--r--