public void ClearInverse()
{
var lookup = new BidirectionalLookup <string, string>();
lookup.Add("foo", "bar");
lookup.Clear();
Assert.AreEqual(0, lookup.Count);
Assert.AreEqual(0, lookup.Inverse.Count);
Assert.IsFalse(lookup.Contains("foo"));
CollectionAssert.IsEmpty(lookup["foo"]);
CollectionAssert.IsEmpty(lookup.Inverse["bar"]);
}
public void AddInverse()
{
var lookup = new BidirectionalLookup <string, string>();
lookup.Add("foo", "bar");
lookup.Add("foo", "baz");
lookup.Add("baz", "bar");
Assert.AreEqual(2, lookup.Count);
Assert.AreEqual(2, lookup.Count);
Assert.IsTrue(lookup.Contains("foo"));
Assert.IsTrue(lookup.Contains("baz"));
Assert.IsFalse(lookup.Contains("bar"));
Assert.IsFalse(lookup.Inverse.Contains("foo"));
Assert.IsTrue(lookup.Inverse.Contains("bar"));
Assert.IsTrue(lookup.Inverse.Contains("baz"));
CollectionAssert.Contains(lookup["foo"], "bar");
CollectionAssert.Contains(lookup["foo"], "baz");
CollectionAssert.Contains(lookup.Inverse["bar"], "foo");
CollectionAssert.Contains(lookup.Inverse["bar"], "baz");
CollectionAssert.Contains(lookup["baz"], "bar");
}
public void AddCustomValueComparer()
{
var comparer = new DelegatedEqualityComparer <string, int> (s => s.Length);
var lookup = new BidirectionalLookup <string, string> (comparer, comparer);
lookup.Add("foo", "bar1");
lookup.Add("bar", "baz1");
Assert.IsTrue(lookup.Contains("baz"));
Assert.IsTrue(lookup.Inverse.Contains("foo1"));
CollectionAssert.Contains(lookup["foo"], "bar1");
CollectionAssert.Contains(lookup["foo"], "baz1");
CollectionAssert.Contains(lookup["bar"], "bar1");
CollectionAssert.Contains(lookup["bar"], "bar1");
}
public void RemoveKeyInverse()
{
var lookup = new BidirectionalLookup <string, string>();
lookup.Add("baz", "bar");
lookup.Add("foo", "bar");
lookup.Add("foo", "baz");
lookup.Inverse.Remove("bar");
Assert.IsFalse(lookup.Contains("baz"));
Assert.IsFalse(lookup.Inverse.Contains("bar"));
CollectionAssert.Contains(lookup["foo"], "baz");
CollectionAssert.DoesNotContain(lookup["foo"], "bar");
CollectionAssert.IsEmpty(lookup["baz"]);
CollectionAssert.IsEmpty(lookup.Inverse["bar"]);
CollectionAssert.Contains(lookup.Inverse["baz"], "foo");
}