NUnit - SameasConstraint

## Same As Constraint (NUnit 2.4)

A SameAsConstraint is used to test whether the object passed as an actual value has the same identity as the object supplied in its constructor.

#### Constructor

    SameAsConstraint( object expected )

#### Syntax

    Is.SameAs( object expected )

#### Examples of Use

    Exception ex1 = new Exception();
    Exception ex2 = ex1;
    Assert.That( ex2, Is.SameAs( ex1 ) );

    Exception ex3 = new Exception();
    Assert.That( ex3, Is.Not.SameAs( ex1 ) );