public void TestReplaceWithNoChildren() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(101));
CommonTree newChild = new CommonTree(new CommonToken(5));
t.ReplaceChildren(0, 0, newChild);
}
private void Replace(CommonTree parent, CommonTree newNode, int index)
{
if (newNode != null)
{
parent.ReplaceChildren(index, index, newNode);
}
}
public void TestReplaceAllWithOne() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(99, "a"));
t.AddChild(new CommonTree(new CommonToken(99, "b")));
t.AddChild(new CommonTree(new CommonToken(99, "c")));
t.AddChild(new CommonTree(new CommonToken(99, "d")));
CommonTree newChild = new CommonTree(new CommonToken(99, "x"));
t.ReplaceChildren(0, 2, newChild);
string expecting = "(a x)";
Assert.AreEqual(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}
public void TestReplaceWithOneChildren() /*throws Exception*/
{
// assume token type 99 and use text
CommonTree t = new CommonTree(new CommonToken(99, "a"));
CommonTree c0 = new CommonTree(new CommonToken(99, "b"));
t.AddChild(c0);
CommonTree newChild = new CommonTree(new CommonToken(99, "c"));
t.ReplaceChildren(0, 0, newChild);
string expecting = "(a c)";
Assert.AreEqual(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}
public void TestReplaceTwoWithOneAtRight() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(99, "a"));
t.AddChild(new CommonTree(new CommonToken(99, "b")));
t.AddChild(new CommonTree(new CommonToken(99, "c")));
t.AddChild(new CommonTree(new CommonToken(99, "d")));
CommonTree newChild = new CommonTree(new CommonToken(99, "x"));
t.ReplaceChildren(1, 2, newChild);
string expecting = "(a b x)";
assertEquals(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}
public void TestReplaceAtLeft() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(99, "a"));
t.AddChild(new CommonTree(new CommonToken(99, "b"))); // index 0
t.AddChild(new CommonTree(new CommonToken(99, "c")));
t.AddChild(new CommonTree(new CommonToken(99, "d")));
CommonTree newChild = new CommonTree(new CommonToken(99, "x"));
t.ReplaceChildren(0, 0, newChild);
string expecting = "(a x c d)";
assertEquals(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}
public void TestReplaceWithNoChildren() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(101));
CommonTree newChild = new CommonTree(new CommonToken(5));
bool error = false;
try
{
t.ReplaceChildren(0, 0, newChild);
}
catch (ArgumentException /*iae*/)
{
error = true;
}
assertTrue(error);
}
public void TestReplaceOneWithTwoInMiddle() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(99, "a"));
t.AddChild(new CommonTree(new CommonToken(99, "b")));
t.AddChild(new CommonTree(new CommonToken(99, "c")));
t.AddChild(new CommonTree(new CommonToken(99, "d")));
CommonTree newChildren = (CommonTree)adaptor.Nil();
newChildren.AddChild(new CommonTree(new CommonToken(99, "x")));
newChildren.AddChild(new CommonTree(new CommonToken(99, "y")));
t.ReplaceChildren(1, 1, newChildren);
string expecting = "(a b x y d)";
Assert.AreEqual(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}
public void TestReplaceAllWithTwo() /*throws Exception*/
{
CommonTree t = new CommonTree(new CommonToken(99, "a"));
t.AddChild(new CommonTree(new CommonToken(99, "b")));
t.AddChild(new CommonTree(new CommonToken(99, "c")));
t.AddChild(new CommonTree(new CommonToken(99, "d")));
CommonTree newChildren = (CommonTree)adaptor.Nil();
newChildren.AddChild(new CommonTree(new CommonToken(99, "x")));
newChildren.AddChild(new CommonTree(new CommonToken(99, "y")));
t.ReplaceChildren(0, 2, newChildren);
string expecting = "(a x y)";
assertEquals(expecting, t.ToStringTree());
t.SanityCheckParentAndChildIndexes();
}