public void SetTag(string key, ValueT val)
{
SetTag(GSymbol.Get(key), val);
}
public ValueT GetTag(string key)
{
return(GetTag(GSymbol.GetIfExists(key)));
}
public bool HasTag(string key)
{
return(HasTag(GSymbol.GetIfExists(key)));
}
private void TestTheBasics(HashTags <string> a, bool startsEmpty)
{
// This test is run twice, once on a set that starts empty (to
// test the one-element code paths) and again on a set that has
// unrelated stuff in it already.
IEnumerator <KeyValuePair <Symbol, string> > e;
// Sanity checks
Assert.IsNull(a.GetTag((string)null));
Assert.IsFalse(a.RemoveTag("Nonexistant"));
Assert.IsFalse(a.HasTag("Nonexistant"));
a.SetTag("One", "Two");
Assert.AreEqual(a.GetTag("One"), "Two");
// Test the enumerator
e = a.TagEnumerator();
Assert.IsTrue(e.MoveNext());
if (startsEmpty)
{
Assert.AreEqual(GSymbol.Get("One"), e.Current.Key);
Assert.AreEqual("Two", e.Current.Value);
Assert.IsFalse(e.MoveNext());
}
// Remove what we added
Assert.IsNull(a.GetTag((string)null));
Assert.IsFalse(a.RemoveTag(""));
Assert.IsTrue(a.RemoveTag("One"));
Assert.IsNull(a.GetTag("One"));
if (startsEmpty)
{
e = a.TagEnumerator();
Assert.IsFalse(e.MoveNext());
}
// Do almost the same thing again: add an attr, then remove it
a.SetTag("One", "Two");
Assert.AreEqual("Two", a.GetTag("One"));
Assert.IsTrue(a.HasTag("One"));
Assert.IsTrue(a.RemoveTag("One"));
Assert.IsNull(a.GetTag("One"));
// A different attribute
a.SetTag("Two", "Three");
Assert.AreEqual("Three", a.GetTag("Two"));
a.SetTag("Two", "Four");
a.SetTag("Two", "Two");
Assert.AreEqual("Two", a.GetTag("Two"));
// Another attribute should not disturb the first
a.SetTag("Three", "Four");
Assert.AreEqual("Two", a.GetTag("Two"));
Assert.IsFalse(a.HasTag("One"));
Assert.IsTrue(a.HasTag("Two"));
Assert.IsTrue(a.HasTag("Three"));
// Test the enumerator
e = a.TagEnumerator();
Assert.IsTrue(e.MoveNext());
Assert.IsTrue(e.MoveNext());
if (startsEmpty)
{
Assert.IsFalse(e.MoveNext());
}
// Clean up by removing all that we added
Assert.IsTrue(a.RemoveTag("Two"));
Assert.IsTrue(a.RemoveTag("Three"));
}
public bool RemoveTag(string key)
{
return(RemoveTag(GSymbol.GetIfExists(key)));
}