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         copyTest();
29     }
30 
basicTest()31     public static void basicTest() {
32         String baseStr = "*** This is a very nice string!!!";
33         String testStr;
34         int i;
35 
36         testStr = baseStr.substring(4, baseStr.length() - 3);
37         System.out.println("testStr is '" + testStr + "'");
38 
39         /* sloppy for loop */
40         for (i = 0; i < testStr.length(); i++)
41             System.out.print(testStr.charAt(i));
42         System.out.print("\n");
43 
44         String testStr2 = "This is a very nice strinG";
45         if (testStr.length() != testStr2.length())
46             System.out.println("WARNING: stringTest length mismatch");
47 
48         System.out.println("Compare result is " + testStr.compareTo(testStr2));
49 
50         // expected: -65302
51         String s1 = "\u0c6d\u0cb6\u0d00\u0000\u0080\u0080\u0080\u0000\u0002\u0002\u0002\u0000\u00e9\u00e9\u00e9";
52         String s2 = "\u0c6d\u0cb6\u0d00\u0000\u0080\u0080\u0080\u0000\u0002\u0002\u0002\u0000\uffff\uffff\uffff\u00e9\u00e9\u00e9";
53         System.out.println("Compare unicode: " + s1.compareTo(s2));
54 
55         try {
56             testStr.charAt(500);
57             System.out.println("GLITCH: expected exception");
58         } catch (StringIndexOutOfBoundsException sioobe) {
59             System.out.println("Got expected exception");
60         }
61     }
62 
indexTest()63     public static void indexTest() {
64         String baseStr = "The quick brown fox jumps over the lazy dog!";
65         String subStr;
66 
67         subStr = baseStr.substring(5, baseStr.length() - 4);
68         System.out.println("subStr is '" + subStr + "'");
69 
70         System.out.println("Indexes are: " +
71             baseStr.indexOf('T') + ":" +
72             subStr.indexOf('T') + ":" +
73             subStr.indexOf('u') + ":" +
74             baseStr.indexOf('!') + ":" +
75             subStr.indexOf('y') + ":" +
76             subStr.indexOf('d') + ":" +
77             baseStr.indexOf('x') + ":" +
78             subStr.indexOf('x', 0) + ":" +
79             subStr.indexOf('x', -1) + ":" +
80             subStr.indexOf('x', 200) + ":" +
81             baseStr.indexOf('x', 17) + ":" +
82             baseStr.indexOf('x', 18) + ":" +
83             baseStr.indexOf('x', 19) + ":" +
84             subStr.indexOf('x', 13) + ":" +
85             subStr.indexOf('x', 14) + ":" +
86             subStr.indexOf('&') + ":" +
87             baseStr.indexOf(0x12341234));
88     }
89 
constructorTest()90     public static void constructorTest() {
91         byte[] byteArray = "byteArray".getBytes();
92         char[] charArray = new char[] { 'c', 'h', 'a', 'r', 'A', 'r', 'r', 'a', 'y' };
93         String charsetName = "US-ASCII";
94         Charset charset = Charset.forName("UTF-8");
95         String string = "string";
96         StringBuffer stringBuffer = new StringBuffer("stringBuffer");
97         int [] codePoints = new int[] { 65, 66, 67, 68, 69 };
98         StringBuilder stringBuilder = new StringBuilder("stringBuilder");
99 
100         String s1 = new String();
101         String s2 = new String(byteArray);
102         String s3 = new String(byteArray, 1);
103         String s4 = new String(byteArray, 0, 4);
104         String s5 = new String(byteArray, 2, 4, 5);
105 
106         try {
107             String s6 = new String(byteArray, 2, 4, charsetName);
108             String s7 = new String(byteArray, charsetName);
109         } catch (UnsupportedEncodingException e) {
110             System.out.println("Got unexpected UnsupportedEncodingException");
111         }
112         String s8 = new String(byteArray, 3, 3, charset);
113         String s9 = new String(byteArray, charset);
114         String s10 = new String(charArray);
115         String s11 = new String(charArray, 0, 4);
116         String s12 = new String(string);
117         String s13 = new String(stringBuffer);
118         String s14 = new String(codePoints, 1, 3);
119         String s15 = new String(stringBuilder);
120     }
121 
copyTest()122     public static void copyTest() {
123         String src = new String("Hello Android");
124         char[] dst = new char[7];
125         char[] tmp = null;
126 
127         try {
128             src.getChars(2, 9, tmp, 0);
129             System.out.println("GLITCH: expected exception");
130         } catch (NullPointerException npe) {
131             System.out.println("Got expected exception");
132         }
133 
134         try {
135             src.getChars(-1, 9, dst, 0);
136             System.out.println("GLITCH: expected exception");
137         } catch (StringIndexOutOfBoundsException sioobe) {
138             System.out.println("Got expected exception");
139         }
140 
141         try {
142             src.getChars(2, 19, dst, 0);
143             System.out.println("GLITCH: expected exception");
144         } catch (StringIndexOutOfBoundsException sioobe) {
145             System.out.println("Got expected exception");
146         }
147 
148         try {
149             src.getChars(2, 1, dst, 0);
150             System.out.println("GLITCH: expected exception");
151         } catch (StringIndexOutOfBoundsException sioobe) {
152             System.out.println("Got expected exception");
153         }
154 
155         try {
156             src.getChars(2, 10, dst, 0);
157             System.out.println("GLITCH: expected exception");
158         } catch (ArrayIndexOutOfBoundsException aioobe) {
159             System.out.println("Got expected exception");
160         }
161 
162         src.getChars(2, 9, dst, 0);
163         System.out.println(new String(dst));
164     }
165 }
166