public void Test_IsOneToOne_WhenIsMultipleRelationship_ShouldReturnFalse() { //---------------Set up test pack------------------- IRelationshipDef relationshipDef = new FakeMultipleRelationshipDef(); //---------------Assert Precondition---------------- Assert.IsInstanceOf(typeof(MultipleRelationshipDef), relationshipDef); //---------------Execute Test ---------------------- bool isOneToOne = relationshipDef.IsOneToOne; //---------------Test Result ----------------------- Assert.IsFalse(isOneToOne); }