public void TryGetValueShouldThrowErrorIfKeyIsNull()
{
var dictionary = new ManualDictionary <string, string>();
dictionary.Add("1", "a");
dictionary.Add("2", "b");
Assert.Throws <ArgumentNullException>(() => dictionary.TryGetValue(null, out string value));
}
public void TryGetValueShouldReturnFalseIfKeyIsNotInDictionary()
{
var dictionary = new ManualDictionary <int, string>();
dictionary.Add(1, "a");
dictionary.Add(2, "b");
dictionary.Add(10, "c");
dictionary.Add(11, "c");
dictionary.Add(12, "c");
Assert.False(dictionary.TryGetValue(3, out string value));
}