public override object Clone()
{
CharArrayIterator clone = new CharArrayIterator();
clone.SetText(array, start, length);
clone.index = index;
return(clone);
}
public void TestCurrent()
{
CharArrayIterator ci = new CharArrayIterator();
// Gets the character at the current position (as returned by getIndex()).
ci.SetText("testing".toCharArray(), 0, "testing".Length);
assertEquals('t', ci.Current);
ci.Last();
ci.Next();
// or DONE if the current position is off the end of the text.
assertEquals(CharacterIterator.Done, ci.Current);
}
public void TestNext()
{
CharArrayIterator ci = new CharArrayIterator();
ci.SetText("te".toCharArray(), 0, 2);
// Increments the iterator's index by one and returns the character at the new index.
assertEquals('e', ci.Next());
assertEquals(1, ci.Index);
// or DONE if the new position is off the end of the text range.
assertEquals(CharacterIterator.Done, ci.Next());
assertEquals(ci.EndIndex, ci.Index);
}
public void TestFirst()
{
CharArrayIterator ci = new CharArrayIterator();
ci.SetText("testing".toCharArray(), 0, "testing".Length);
ci.Next();
// Sets the position to getBeginIndex() and returns the character at that position.
assertEquals('t', ci.First());
assertEquals(ci.BeginIndex, ci.Index);
// or DONE if the text is empty
ci.SetText(new char[] { }, 0, 0);
assertEquals(CharacterIterator.Done, ci.First());
}
public void TestClone()
{
char[] text = "testing".toCharArray();
CharArrayIterator ci = new CharArrayIterator();
ci.SetText(text, 0, text.Length);
ci.Next();
CharArrayIterator ci2 = (CharArrayIterator)ci.Clone();
assertEquals(ci.Index, ci2.Index);
assertEquals(ci.Next(), ci2.Next());
assertEquals(ci.Last(), ci2.Last());
}
public void TestLast()
{
CharArrayIterator ci = new CharArrayIterator();
ci.SetText("testing".toCharArray(), 0, "testing".Length);
// Sets the position to getEndIndex()-1 (getEndIndex() if the text is empty)
// and returns the character at that position.
assertEquals('g', ci.Last());
assertEquals(ci.Index, ci.EndIndex - 1);
// or DONE if the text is empty
ci.SetText(new char[] { }, 0, 0);
assertEquals(CharacterIterator.Done, ci.Last());
assertEquals(ci.EndIndex, ci.Index);
}
public void TestBasicUsage()
{
CharArrayIterator ci = new CharArrayIterator();
ci.SetText("testing".toCharArray(), 0, "testing".Length);
assertEquals(0, ci.BeginIndex);
assertEquals(7, ci.EndIndex);
assertEquals(0, ci.Index);
assertEquals('t', ci.Current);
assertEquals('e', ci.Next());
assertEquals('g', ci.Last());
assertEquals('n', ci.Previous());
assertEquals('t', ci.First());
assertEquals(CharacterIterator.Done, ci.Previous());
}
public void TestSetIndex()
{
CharArrayIterator ci = new CharArrayIterator();
ci.SetText("test".toCharArray(), 0, "test".Length);
try
{
ci.SetIndex(5);
fail();
}
catch (Exception e)
{
assertTrue(e is ArgumentException);
}
}