1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 @test 26 @bug 8054307 27 @summary test chars() and codePoints() 28 */ 29 30 import java.util.Arrays; 31 import java.util.Random; 32 33 public class Chars { 34 35 public static void main(String[] args) { 36 Random r = new Random(); 37 for (int i = 0; i < 10; i++) { 38 int n = 100 + r.nextInt(100); 39 char[] cc = new char[n]; 40 int[] ccExp = new int[n]; 41 int[] cpExp = new int[n]; 42 // latin1 43 for (int j = 0; j < n; j++) { 44 cc[j] = (char)(ccExp[j] = cpExp[j] = r.nextInt(0x80)); 45 } 46 testChars(cc, ccExp); 47 testCPs(cc, cpExp); 48 49 // bmp without surrogates 50 for (int j = 0; j < n; j++) { 51 cc[j] = (char)(ccExp[j] = cpExp[j] = r.nextInt(0x8000)); 52 } 53 testChars(cc, ccExp); 54 testCPs(cc, cpExp); 55 56 // bmp with surrogates 57 int k = 0; 58 for (int j = 0; j < n; j++) { 59 if (j % 9 == 5 && j + 1 < n) { 60 int cp = 0x10000 + r.nextInt(2000); 61 cpExp[k++] = cp; 62 Character.toChars(cp, cc, j); 63 ccExp[j] = cc[j]; 64 ccExp[j + 1] = cc[j + 1]; 65 j++; 66 } else { 67 cc[j] = (char)(ccExp[j] = cpExp[k++] = r.nextInt(0x8000)); 68 } 69 } 70 cpExp = Arrays.copyOf(cpExp, k); 71 testChars(cc, ccExp); 72 testCPs(cc, cpExp); 73 } 74 } 75 76 static void testChars(char[] cc, int[] expected) { 77 String str = new String(cc); 78 if (!Arrays.equals(expected, str.chars().toArray())) { 79 throw new RuntimeException("chars/codePoints() failed!"); 80 } 81 } 82 83 static void testCPs(char[] cc, int[] expected) { 84 String str = new String(cc); 85 if (!Arrays.equals(expected, str.codePoints().toArray())) { 86 throw new RuntimeException("chars/codePoints() failed!"); 87 } 88 } 89 }