libjava/testsuite/libjava.lang/StringBuffer_1.java

   1 // Test StringBuffer.replace(), reverse(), insert(String), append(String),
   2 // and delete().
   3
   4 public class StringBuffer_1
   5 {
   6   public static void main(String args[])
   7   {
   8     StringBuffer sb = new StringBuffer("45");
   9     sb.insert(0, "123");
  10     sb.append("89");
  11     sb.insert(5, "6");
  12     sb.insert(6, '7');
  13     System.out.println (sb);
  14
  15     sb.delete (3, 99);
  16
  17     String foo = sb.toString();
  18
  19     System.out.println (foo);
  20     sb.reverse();
  21     System.out.println (foo);
  22
  23     System.out.println (sb);
  24     sb = new StringBuffer("1234");
  25     System.out.println(sb.reverse());
  26
  27     sb = new StringBuffer("123456789");
  28     sb.append ("0");
  29     System.out.println(sb);
  30
  31     sb.replace (2, 99, "foo");
  32     System.out.println (sb);
  33
  34     sb = new StringBuffer("123456789");
  35     sb.replace (1, 1, "XX");
  36     System.out.println (sb);
  37
  38     sb = new StringBuffer("123456789");
  39     sb.replace (0, 2, "XX");
  40     System.out.println (sb);
  41
  42     sb = new StringBuffer("123456789");
  43     sb.replace (5, 9, "54321");
  44     System.out.println (sb);
  45
  46     sb = new StringBuffer("123456789");
  47
  48     sb.delete (1,4);
  49     System.out.println (sb);
  50
  51     // Test bounds checks
  52     try
  53     {
  54       sb.insert (-2, "x");
  55     }
  56     catch (StringIndexOutOfBoundsException x)
  57     {
  58       System.out.println (x.getClass());
  59     }
  60
  61     try
  62     {
  63       sb.insert (96, "x");
  64     }
  65     catch (StringIndexOutOfBoundsException x)
  66     {
  67       System.out.println (x.getClass());
  68     }
  69
  70     try
  71     {
  72       sb.delete (-2, 2);
  73     }
  74     catch (StringIndexOutOfBoundsException x)
  75     {
  76       System.out.println (x.getClass());
  77     }
  78
  79     try
  80     {
  81       sb.delete (96, 418);
  82     }
  83     catch (StringIndexOutOfBoundsException x)
  84     {
  85       System.out.println (x.getClass());
  86     }
  87
  88     try
  89     {
  90       sb.delete (4, 2);
  91     }
  92     catch (StringIndexOutOfBoundsException x)
  93     {
  94       System.out.println (x.getClass());
  95     }
  96
  97     try
  98     {
  99       sb.replace (-2, 2, "54321");
 100     }
 101     catch (StringIndexOutOfBoundsException x)
 102     {
 103       System.out.println (x.getClass());
 104     }
 105
 106     try
 107     {
 108       sb.replace (4, 2, "54321");
 109     }
 110     catch (StringIndexOutOfBoundsException x)
 111     {
 112       System.out.println (x.getClass());
 113     }
 114
 115     try
 116     {
 117       sb.replace (12, 18, "54321");
 118     }
 119     catch (StringIndexOutOfBoundsException x)
 120     {
 121       System.out.println (x.getClass());
 122     }
 123   }
 124 }