public void testBufferOverflow()
{
StringBuilder buf = new StringBuilder();
StringBuilder buf2 = new StringBuilder();
// make ^(101 102 ... n)
ITree t = new CommonTree(new CommonToken(101));
buf.Append(" 101");
buf2.Append(" 101");
buf2.Append(" ");
buf2.Append(Token.DOWN);
for (int i = 0; i <= UnBufferedTreeNodeStream.INITIAL_LOOKAHEAD_BUFFER_SIZE + 10; i++)
{
t.AddChild(new CommonTree(new CommonToken(102 + i)));
buf.Append(" ");
buf.Append(102 + i);
buf2.Append(" ");
buf2.Append(102 + i);
}
buf2.Append(" ");
buf2.Append(Token.UP);
ITreeNodeStream stream = CreateUnBufferedTreeNodeStream(t);
String expecting = buf.ToString();
String found = GetStringOfEntireStreamContentsWithNodeTypesOnly(stream);
Assert.AreEqual(expecting, found);
expecting = buf2.ToString();
found = stream.ToString();
Assert.AreEqual(expecting, found);
}
public void testSingleNode()
{
ITree t = new CommonTree(new CommonToken(101));
ITreeNodeStream stream = CreateCommonTreeNodeStream(t);
string expected = " 101";
string actual = GetStringOfEntireStreamContentsWithNodeTypesOnly(stream);
Assert.AreEqual(expected, actual);
expected = " 101";
actual = stream.ToString();
Assert.AreEqual(expected, actual);
}
public void testAoverB()
{
ITree t = new CommonTree(new CommonToken(101));
t.AddChild(new CommonTree(new CommonToken(102)));
ITreeNodeStream stream = CreateBufferedTreeNodeStream(t);
string expected = " 101 102";
string actual = GetStringOfEntireStreamContentsWithNodeTypesOnly(stream);
Assert.AreEqual(expected, actual);
expected = " 101 2 102 3";
actual = stream.ToString();
Assert.AreEqual(expected, actual);
}
/// <summary>
/// Test a tree with four nodes - ^(101 ^(102 103) 104)
/// </summary>
public void test4Nodes()
{
ITree t = new CommonTree(new CommonToken(101));
t.AddChild(new CommonTree(new CommonToken(102)));
t.GetChild(0).AddChild(new CommonTree(new CommonToken(103)));
t.AddChild(new CommonTree(new CommonToken(104)));
ITreeNodeStream stream = CreateCommonTreeNodeStream(t);
string expected = " 101 102 103 104";
string actual = GetStringOfEntireStreamContentsWithNodeTypesOnly(stream);
Assert.AreEqual(expected, actual);
expected = " 101 2 102 2 103 3 104 3";
actual = stream.ToString();
Assert.AreEqual(expected, actual);
}
public string ToString(object start, object stop)
{
return(input.ToString(start, stop));
}
