| /* |
| * Copyright (c) 1997, 2000, 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. |
| */ |
| |
| /* @test |
| @summary General tests of String constructors and methods that convert |
| between character encodings. This should really be in |
| java/lang/String, but it shares code with the I/O charStream |
| tests. |
| */ |
| |
| import java.io.*; |
| |
| |
| public class StringConvert { |
| |
| static String enc = "UTF8"; |
| static int limit = 500; |
| static int max = 0xffff; |
| |
| static void fail(String s) { |
| throw new RuntimeException(s); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| PrintStream log = System.err; |
| IntGenerator ig = new IntGenerator(); |
| CharGenerator cg; |
| StringGenerator sg; |
| String s; |
| int i = 0; |
| |
| /* String(byte[] bytes, String enc) |
| getBytes(String enc) |
| */ |
| log.println("-- String(byte[], String), getBytes(String)"); |
| i = 0; |
| cg = new CharGenerator(ig, 0, max); |
| sg = new StringGenerator(ig, cg, limit); |
| while ((s = sg.next()) != null) { |
| byte[] b = s.getBytes(enc); |
| String t = new String(b, enc); |
| if (!s.equals(t)) { |
| int n = Math.min(s.length(), t.length()); |
| for (int j = 0; j < n; j++) { |
| if (s.charAt(j) != t.charAt(j)) { |
| log.println("Mismatch: " + j + " " |
| + Integer.toHexString(s.charAt(j)) |
| + " != " |
| + Integer.toHexString(t.charAt(j))); |
| } |
| } |
| fail("Conversion failure"); |
| } |
| log.println("[" + i + "] " + s.length()); |
| i++; |
| } |
| |
| /* String(byte[] bytes) |
| getBytes() |
| */ |
| log.println("-- String(byte[]), getBytes()"); |
| i = 0; |
| cg = new CharGenerator(ig, 0x20, 0x7e); |
| sg = new StringGenerator(ig, cg, limit); |
| while ((s = sg.next()) != null) { |
| log.println("[" + i + "] \"" + s + "\""); |
| byte[] b = s.getBytes(); |
| String t = new String(b); |
| if (! s.equals(t)) |
| fail("Conversion failure"); |
| i++; |
| } |
| |
| /* String(byte[] bytes, int offset, int length) |
| getBytes() |
| */ |
| log.println("-- String(byte[], int, int), getBytes()"); |
| i = 0; |
| cg = new CharGenerator(ig, 0x20, 0x7e); |
| sg = new StringGenerator(ig, cg, limit); |
| while ((s = sg.next()) != null) { |
| log.println("[" + i + "] \"" + s + "\""); |
| byte[] b = s.getBytes(); |
| int o = ig.next(s.length() - 1); |
| int n = ig.next(s.length() - o); |
| String t = new String(b, o, n); |
| if (! s.substring(o, o + n).equals(t)) |
| fail("Conversion failure"); |
| i++; |
| } |
| |
| /* String(byte[] bytes, int offset, int length, String enc) |
| getBytes(String enc) |
| */ |
| log.println("-- String(byte[], int, int, String), getBytes(String)"); |
| i = 0; |
| cg = new CharGenerator(ig); |
| sg = new StringGenerator(ig, cg, limit); |
| while ((s = sg.next()) != null) { |
| log.println("[" + i + "] " + s.length()); |
| byte[] b = s.getBytes(enc); |
| int o = ig.next(100); |
| byte[] b2 = new byte[b.length + o]; |
| System.arraycopy(b, 0, b2, o, b.length); |
| String t = new String(b2, o, b.length, enc); |
| if (! s.equals(t)) |
| fail("Conversion failure"); |
| i++; |
| } |
| |
| /* Substrings */ |
| log.println("-- Substrings"); |
| i = 0; |
| cg = new CharGenerator(ig, 0x20, 0x7e); |
| sg = new StringGenerator(ig, cg, limit); |
| while ((s = sg.next()) != null) { |
| log.println("[" + i + "] \"" + s + "\""); |
| int o = ig.next(s.length() - 1); |
| int n = ig.next(s.length() - o); |
| String s2 = s.substring(o, o + n); |
| byte[] b = s2.getBytes(); |
| String t = new String(b); |
| if (! s2.equals(t)) |
| fail("Conversion failure"); |
| i++; |
| } |
| |
| } |
| |
| } |