public void ReadonlyDictionaryContainsKey()
{
var underTest = new ReadonlyDictionary <string, string>(_sourceItems);
Assert.True(underTest.ContainsKey("a"));
Assert.True(underTest.ContainsKey("b"));
Assert.True(underTest.ContainsKey("c"));
Assert.False(underTest.ContainsKey("d"));
Assert.False(underTest.ContainsKey(""));
}
public void EmptyReadonlyDictionaryContains(string key)
{
var underTest = new ReadonlyDictionary <string, string>(_emptySourceItems);
Assert.False(underTest.ContainsKey(key));
}