ReferenceEquality.md

ReferenceEquality Criteria

You use ReferenceEquality criteria when you want to test for equality between two values (classes, not structures). Especially when you redefine == operator.

It contains five criterions:

• HasNullLeftOperand
• HasNullRightOperand
• HasBothNullOperands
• HasEqualNotNullOperands
• HasSameNotNullOperands

Use equality if you want to compare structures instance for equality or Comparison for a comparison not for equality.

Example

using NUnit.Framework;
using static SmartTests.SmartTest;

[TestFixture]
public class MyClassTest
{
    [Test]
    public void EqualityTest_AreSame()
    {
        var mc = new MyClass();

        var result = RunTest( ReferenceEquality.HasSameNotNullOperands,
                              () => mc == mc );

        Assert.IsTrue( result );
    }
}