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8248655: Support supplementary characters in String case insensitive operations

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8248434: some newly added locale cannot parse uppercased date string

Reviewed-by: jlaskey, joehw, rriggs, bchristi
This commit is contained in:
Naoto Sato 2020-07-23 08:46:31 -07:00
parent dc80e63811
commit 1f63603288
7 changed files with 272 additions and 87 deletions
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62
test/micro/org/openjdk/bench/java/lang/StringCompareToIgnoreCase.java Normal file
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/*
* Copyright (c) 2020, 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.
*/
package org.openjdk.bench.java.lang;
import org.openjdk.jmh.annotations.*;
import java.util.concurrent.TimeUnit;
/*
* This benchmark naively explores String::compareToIgnoreCase performance
*/
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
public class StringCompareToIgnoreCase {
public String upper = new String("\u0100\u0102\u0104\u0106\u0108");
public String upperLower = new String("\u0100\u0102\u0104\u0106\u0109");
public String lower = new String("\u0101\u0103\u0105\u0107\u0109");
public String supUpper = new String("\ud801\udc00\ud801\udc01\ud801\udc02\ud801\udc03\ud801\udc04");
public String supUpperLower = new String("\ud801\udc00\ud801\udc01\ud801\udc02\ud801\udc03\ud801\udc2c");
public String supLower = new String("\ud801\udc28\ud801\udc29\ud801\udc2a\ud801\udc2b\ud801\udc2c");
@Benchmark
public int upperLower() {
return upper.compareToIgnoreCase(upperLower);
}
@Benchmark
public int lower() {
return upper.compareToIgnoreCase(lower);
}
@Benchmark
public int supUpperLower() {
return supUpper.compareToIgnoreCase(supUpperLower);
}
@Benchmark
public int supLower() {
return supUpper.compareToIgnoreCase(supLower);
}
}