/java-1.7.0-openjdk/openjdk/jdk/test/java/io/charStreams/StringConvert.java
Java | 150 lines | 95 code | 14 blank | 41 comment | 18 complexity | c73434e1fba9504c360b74ed87cab5a6 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause-No-Nuclear-License-2014, LGPL-3.0, LGPL-2.0
- /*
- * 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++;
- }
- }
- }