public void Replace_NullKey()
{
var dictionary = new BidirectionalDictionary <string, string> ();
var ex = Assert.Throws <ArgumentNullException> (() => dictionary.Replace(null, String1));
Assert.AreEqual("key", ex.ParamName);
}
public void Replace_NullValue()
{
var dictionary = new BidirectionalDictionary <string, string> ();
var ex = Assert.Throws <ArgumentNullException> (() => dictionary.Replace(String1, null));
Assert.AreEqual("value", ex.ParamName);
}
public void Replace()
{
var dictionary = new BidirectionalDictionary <int, string> ();
dictionary.Replace(42, String1);
Assert.AreEqual(String1, dictionary [42]);
}
public void Replace_ExistingValue()
{
var dictionary = new BidirectionalDictionary <int, string> ();
dictionary.Add(42, String1);
dictionary.Replace(67, String2);
Assert.AreEqual(String2, dictionary [67]);
}
public void Replace_ExistingKeyAndValue()
{
var dictionary = new BidirectionalDictionary <int, string> ();
dictionary.Add(42, String1);
dictionary.Add(67, String2);
dictionary.Replace(42, String2);
Assert.That(!dictionary.ContainsKey(67), "Did not remove key 67");
Assert.That(!dictionary.ContainsValue(String1), "Did not remove value String1");
Assert.That(dictionary [42], Is.EqualTo(String2), "Did not add mapping 42 -> String2");
}