1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.nio.charset.Charset; 18 import java.io.UnsupportedEncodingException; 19 20 /** 21 * Simple string test. 22 */ 23 public class Main { main(String args[])24 public static void main(String args[]) { 25 basicTest(); 26 indexTest(); 27 constructorTest(); 28 } 29 basicTest()30 public static void basicTest() { 31 String baseStr = "*** This is a very nice string!!!"; 32 String testStr; 33 int i; 34 35 testStr = baseStr.substring(4, baseStr.length() - 3); 36 System.out.println("testStr is '" + testStr + "'"); 37 38 /* sloppy for loop */ 39 for (i = 0; i < testStr.length(); i++) 40 System.out.print(testStr.charAt(i)); 41 System.out.print("\n"); 42 43 String testStr2 = "This is a very nice strinG"; 44 if (testStr.length() != testStr2.length()) 45 System.out.println("WARNING: stringTest length mismatch"); 46 47 System.out.println("Compare result is " + testStr.compareTo(testStr2)); 48 49 // expected: -65302 50 String s1 = "\u0c6d\u0cb6\u0d00\u0000\u0080\u0080\u0080\u0000\u0002\u0002\u0002\u0000\u00e9\u00e9\u00e9"; 51 String s2 = "\u0c6d\u0cb6\u0d00\u0000\u0080\u0080\u0080\u0000\u0002\u0002\u0002\u0000\uffff\uffff\uffff\u00e9\u00e9\u00e9"; 52 System.out.println("Compare unicode: " + s1.compareTo(s2)); 53 54 try { 55 testStr.charAt(500); 56 System.out.println("GLITCH: expected exception"); 57 } catch (StringIndexOutOfBoundsException sioobe) { 58 System.out.println("Got expected exception"); 59 } 60 } 61 indexTest()62 public static void indexTest() { 63 String baseStr = "The quick brown fox jumps over the lazy dog!"; 64 String subStr; 65 66 subStr = baseStr.substring(5, baseStr.length() - 4); 67 System.out.println("subStr is '" + subStr + "'"); 68 69 System.out.println("Indexes are: " + 70 baseStr.indexOf('T') + ":" + 71 subStr.indexOf('T') + ":" + 72 subStr.indexOf('u') + ":" + 73 baseStr.indexOf('!') + ":" + 74 subStr.indexOf('y') + ":" + 75 subStr.indexOf('d') + ":" + 76 baseStr.indexOf('x') + ":" + 77 subStr.indexOf('x', 0) + ":" + 78 subStr.indexOf('x', -1) + ":" + 79 subStr.indexOf('x', 200) + ":" + 80 baseStr.indexOf('x', 17) + ":" + 81 baseStr.indexOf('x', 18) + ":" + 82 baseStr.indexOf('x', 19) + ":" + 83 subStr.indexOf('x', 13) + ":" + 84 subStr.indexOf('x', 14) + ":" + 85 subStr.indexOf('&') + ":" + 86 baseStr.indexOf(0x12341234)); 87 } 88 constructorTest()89 public static void constructorTest() { 90 byte[] byteArray = "byteArray".getBytes(); 91 char[] charArray = new char[] { 'c', 'h', 'a', 'r', 'A', 'r', 'r', 'a', 'y' }; 92 String charsetName = "US-ASCII"; 93 Charset charset = Charset.forName("UTF-8"); 94 String string = "string"; 95 StringBuffer stringBuffer = new StringBuffer("stringBuffer"); 96 int [] codePoints = new int[] { 65, 66, 67, 68, 69 }; 97 StringBuilder stringBuilder = new StringBuilder("stringBuilder"); 98 99 String s1 = new String(); 100 String s2 = new String(byteArray); 101 String s3 = new String(byteArray, 1); 102 String s4 = new String(byteArray, 0, 4); 103 String s5 = new String(byteArray, 2, 4, 5); 104 105 try { 106 String s6 = new String(byteArray, 2, 4, charsetName); 107 String s7 = new String(byteArray, charsetName); 108 } catch (UnsupportedEncodingException e) { 109 System.out.println("Got unexpected UnsupportedEncodingException"); 110 } 111 String s8 = new String(byteArray, 3, 3, charset); 112 String s9 = new String(byteArray, charset); 113 String s10 = new String(charArray); 114 String s11 = new String(charArray, 0, 4); 115 String s12 = new String(string); 116 String s13 = new String(stringBuffer); 117 String s14 = new String(codePoints, 1, 3); 118 String s15 = new String(stringBuilder); 119 } 120 } 121