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test/compiler/6946040/TestCharShortByteSwap.java@a51071796915 (annotated)

test/compiler/6946040/TestCharShortByteSwap.java

Wed, 21 Jan 2015 12:38:11 +0100

author

goetz

date

Wed, 21 Jan 2015 12:38:11 +0100

changeset 7574

a51071796915

parent 4684

7369298bec7e

child 6876

710a3c8b516e

permissions

-rw-r--r--

8068013: [TESTBUG] Aix support in hotspot jtreg tests
Reviewed-by: ctornqvi, fzhinkin, farvidsson

never@1831	1	/*
never@1831	2	* Copyright 2010 Google, Inc. All Rights Reserved.
never@1831	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1831	4	*
never@1831	5	* This code is free software; you can redistribute it and/or modify it
never@1831	6	* under the terms of the GNU General Public License version 2 only, as
never@1831	7	* published by the Free Software Foundation.
never@1831	8	*
never@1831	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1831	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1831	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1831	12	* version 2 for more details (a copy is included in the LICENSE file that
never@1831	13	* accompanied this code).
never@1831	14	*
never@1831	15	* You should have received a copy of the GNU General Public License version
never@1831	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@1831	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1831	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
never@1831	22	*
never@1831	23	*/
never@1831	24
never@1831	25	/*
never@1831	26	* @test
never@1831	27	* @bug 6946040
never@1831	28	* @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler
collins@4684	29	* @run main/othervm -Xbatch -XX:CompileOnly=.testChar,.testShort TestCharShortByteSwap
never@1831	30	*/
never@1831	31
never@1831	32	// This test must run without any command line arguments.
never@1831	33
never@1831	34	public class TestCharShortByteSwap {
never@1831	35
never@1831	36	private static short initShort(String[] args, short v) {
never@1831	37	if (args.length > 0) {
never@1831	38	try {
never@1831	39	return (short) Integer.valueOf(args[0]).intValue();
never@1831	40	} catch (NumberFormatException e) { }
never@1831	41	}
never@1831	42	return v;
never@1831	43	}
never@1831	44
never@1831	45	private static char initChar(String[] args, char v) {
never@1831	46	if (args.length > 0) {
never@1831	47	try {
never@1831	48	return (char) Integer.valueOf(args[0]).intValue();
never@1831	49	} catch (NumberFormatException e) { }
never@1831	50	}
never@1831	51	return v;
never@1831	52	}
never@1831	53
never@1831	54	private static void testChar(char a, char b) {
never@1831	55	if (a != Character.reverseBytes(b)) {
never@1831	56	throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")");
never@1831	57	}
never@1831	58	if (b != Character.reverseBytes(a)) {
never@1831	59	throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")");
never@1831	60	}
never@1831	61	}
never@1831	62
never@1831	63	private static void testShort(short a, short b) {
never@1831	64	if (a != Short.reverseBytes(b)) {
never@1831	65	throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")");
never@1831	66	}
never@1831	67	if (b != Short.reverseBytes(a)) {
never@1831	68	throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")");
never@1831	69	}
never@1831	70	}
never@1831	71
never@1831	72	public static void main(String[] args) {
never@1831	73	for (int i = 0; i < 100000; ++i) { // Trigger compilation
never@1831	74	char c1 = initChar(args, (char) 0x0123);
never@1831	75	char c2 = initChar(args, (char) 0x2301);
never@1831	76	char c3 = initChar(args, (char) 0xaabb);
never@1831	77	char c4 = initChar(args, (char) 0xbbaa);
never@1831	78	short s1 = initShort(args, (short) 0x0123);
never@1831	79	short s2 = initShort(args, (short) 0x2301);
never@1831	80	short s3 = initShort(args, (short) 0xaabb);
never@1831	81	short s4 = initShort(args, (short) 0xbbaa);
never@1831	82	testChar(c1, c2);
never@1831	83	testChar(c3, c4);
never@1831	84	testShort(s1, s2);
never@1831	85	testShort(s3, s4);
never@1831	86	}
never@1831	87	}
never@1831	88	}