public void NullSafe_Returns_Leaf_Value_If_All_Objects_Along_Path_Not_Null()
{
// Arrange
var foo = new Foo {Inner = new Inner{MoreInner = new MoreInner()}};
// Act
var result1 = foo.NullSafe(f => f.Inner);
var result2 = foo.NullSafe(f => f.Inner.Name);
var result3 = foo.NullSafe(f => f.Inner.GetBool());
var result4 = foo.NullSafe(f => f.Inner.MoreInner.Age);
// Assert
Assert.AreEqual(foo.Inner, result1);
Assert.AreEqual(foo.Inner.Name, result2);
Assert.AreEqual(foo.Inner.GetBool(), result3);
Assert.AreEqual(foo.Inner.MoreInner.Age, result4);
}
public void NullSafe_Returns_Default_Value_For_Leaf_If_Any_Object_Along_Path_Is_Null()
{
// Arrange
var foo = new Foo();
// Act
var result1 = foo.NullSafe(f => f.Inner);
var result2 = foo.NullSafe(f => f.Inner.Name);
var result3 = foo.NullSafe(f => f.Inner.GetBool());
var result4 = foo.NullSafe(f => f.Inner.MoreInner.Age);
// Assert
Assert.AreEqual(default(Foo), result1);
Assert.AreEqual(default(string), result2);
Assert.AreEqual(default(bool), result3);
Assert.AreEqual(default(int), result4);
}
