public void SecondOrDefault_should_return_default_value_with_empty_collection()
{
var emptyValueTypeCollection = new List <int>();
var emptyRefTypeCollection = new List <FakeClass>();
var actualValue = 0;
var expectedValue = emptyValueTypeCollection.SecondOrDefault();
FakeClass actualRef = null;
var expectedRef = emptyRefTypeCollection.SecondOrDefault();
Assert.AreEqual(actualValue, expectedValue);
Assert.AreEqual(actualRef, expectedRef);
}
public void FirstOrDefined_should_return_defined_value_with_empty_collection()
{
var emptyRefTypeCollection = new List <FakeClass>();
var emptyValueTypeCollection = new List <int>();
var expectedRefType = new FakeClass(10);
var expectedValueType = 10;
var actualRefType = emptyRefTypeCollection.FirstOrDefined(expectedRefType);
var actualValueType = emptyValueTypeCollection.FirstOrDefined(expectedValueType);
Assert.AreEqual(expectedRefType, actualRefType);
Assert.AreEqual(expectedValueType, actualValueType);
}
public void ArgumentNotNull_shold_rise_ArgumentNullException_while_argument_is_null()
{
FakeClass argument = null;
Guard.ArgumentNotNull(argument, nameof(argument));
}