90 lines
3.0 KiB
Java
90 lines
3.0 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 8054307
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@summary test chars() and codePoints()
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*/
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import java.util.Arrays;
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import java.util.Random;
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public class Chars {
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public static void main(String[] args) {
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Random r = new Random();
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for (int i = 0; i < 10; i++) {
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int n = 100 + r.nextInt(100);
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char[] cc = new char[n];
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int[] ccExp = new int[n];
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int[] cpExp = new int[n];
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// latin1
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for (int j = 0; j < n; j++) {
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cc[j] = (char)(ccExp[j] = cpExp[j] = r.nextInt(0x80));
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}
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testChars(cc, ccExp);
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testCPs(cc, cpExp);
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// bmp without surrogates
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for (int j = 0; j < n; j++) {
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cc[j] = (char)(ccExp[j] = cpExp[j] = r.nextInt(0x8000));
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}
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testChars(cc, ccExp);
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testCPs(cc, cpExp);
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// bmp with surrogates
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int k = 0;
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for (int j = 0; j < n; j++) {
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if (j % 9 == 5 && j + 1 < n) {
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int cp = 0x10000 + r.nextInt(2000);
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cpExp[k++] = cp;
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Character.toChars(cp, cc, j);
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ccExp[j] = cc[j];
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ccExp[j + 1] = cc[j + 1];
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j++;
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} else {
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cc[j] = (char)(ccExp[j] = cpExp[k++] = r.nextInt(0x8000));
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}
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}
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cpExp = Arrays.copyOf(cpExp, k);
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testChars(cc, ccExp);
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testCPs(cc, cpExp);
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}
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}
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static void testChars(char[] cc, int[] expected) {
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String str = new String(cc);
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if (!Arrays.equals(expected, str.chars().toArray())) {
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throw new RuntimeException("chars/codePoints() failed!");
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}
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}
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static void testCPs(char[] cc, int[] expected) {
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String str = new String(cc);
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if (!Arrays.equals(expected, str.codePoints().toArray())) {
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throw new RuntimeException("chars/codePoints() failed!");
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}
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}
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}
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