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test/compiler/EscapeAnalysis/Test8020215.java@3820a7d64760 (annotated)

test/compiler/EscapeAnalysis/Test8020215.java

Wed, 20 May 2015 09:07:36 -0400

author

skovalev

date

Wed, 20 May 2015 09:07:36 -0400

changeset 7871

3820a7d64760

parent 0

f90c822e73f8

permissions

-rw-r--r--

8078834: [TESTBUG] Tests fails on ARM64 due to unknown hardware
Reviewed-by: dholmes, adinn

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8020215
aoqi@0	27	* @summary Different execution plan when using JIT vs interpreter
aoqi@0	28	* @run main Test8020215
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import java.util.ArrayList;
aoqi@0	32	import java.util.List;
aoqi@0	33
aoqi@0	34	public class Test8020215 {
aoqi@0	35	public static class NamedObject {
aoqi@0	36	public int id;
aoqi@0	37	public String name;
aoqi@0	38	public NamedObject(int id, String name) {
aoqi@0	39	this.id = id;
aoqi@0	40	this.name = name;
aoqi@0	41	}
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	public static class NamedObjectList {
aoqi@0	45	public List<NamedObject> namedObjectList = new ArrayList<NamedObject>();
aoqi@0	46
aoqi@0	47	public NamedObject getBest(int id) {
aoqi@0	48	NamedObject bestObject = null;
aoqi@0	49	for (NamedObject o : namedObjectList) {
aoqi@0	50	bestObject = id==o.id ? getBetter(bestObject, o) : bestObject;
aoqi@0	51	}
aoqi@0	52	return (bestObject != null) ? bestObject : null;
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	private static NamedObject getBetter(NamedObject p1, NamedObject p2) {
aoqi@0	56	return (p1 == null) ? p2 : (p2 == null) ? p1 : (p2.name.compareTo(p1.name) >= 0) ? p2 : p1;
aoqi@0	57	}
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	static void test(NamedObjectList b, int i) {
aoqi@0	61	NamedObject x = b.getBest(2);
aoqi@0	62	// test
aoqi@0	63	if (x == null) {
aoqi@0	64	throw new RuntimeException("x should never be null here! (i=" + i + ")");
aoqi@0	65	}
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	public static void main(String[] args) {
aoqi@0	69	// setup
aoqi@0	70	NamedObjectList b = new NamedObjectList();
aoqi@0	71	for (int i = 0; i < 10000; i++) {
aoqi@0	72	b.namedObjectList.add(new NamedObject(1, "2012-12-31"));
aoqi@0	73	}
aoqi@0	74	b.namedObjectList.add(new NamedObject(2, "2013-12-31"));
aoqi@0	75
aoqi@0	76	// execution
aoqi@0	77	for (int i = 0; i < 12000; i++) {
aoqi@0	78	test(b, i);
aoqi@0	79	}
aoqi@0	80	System.out.println("PASSED");
aoqi@0	81	}
aoqi@0	82	}