public void testExceptions() {
CharTermAttributeImpl t = new CharTermAttributeImpl();
t.append("test");
assertEquals("test", t.toString());
try {
t.charAt(-1);
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException iobe) {
}
try {
t.charAt(4);
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException iobe) {
}
try {
t.subSequence(0, 5);
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException iobe) {
}
try {
t.subSequence(5, 0);
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException iobe) {
}
}
public void testCharSequenceInterface() {
final String s = "0123456789";
final CharTermAttributeImpl t = new CharTermAttributeImpl();
t.append(s);
assertEquals(s.length(), t.length());
assertEquals("12", t.subSequence(1, 3).toString());
assertEquals(s, t.subSequence(0, s.length()).toString());
assertTrue(Pattern.matches("01\\d+", t));
assertTrue(Pattern.matches("34", t.subSequence(3, 5)));
assertEquals(s.subSequence(3, 7).toString(), t.subSequence(3, 7).toString());
for (int i = 0; i < s.length(); i++) {
assertTrue(t.charAt(i) == s.charAt(i));
}
}
