public void TryGetKey_Null()
{
var dictionary = new BidirectionalDictionary <string, string> ();
string value;
var ex = Assert.Throws <ArgumentNullException> (() => dictionary.TryGetKey(null, out value));
Assert.AreEqual("value", ex.ParamName);
}
public void TryGetKey_NotFound()
{
var dictionary = new BidirectionalDictionary <string, string> ();
string value = String2;
Assert.IsFalse(dictionary.TryGetKey(String1, out value));
Assert.IsNull(value);
}
public void TryGetKey()
{
var dictionary = new BidirectionalDictionary <string, string> ();
dictionary.Add(String1, String2);
string value;
Assert.IsTrue(dictionary.TryGetKey(String2, out value));
Assert.AreEqual(String1, value);
}
