public void HashCodes()
{
var obj1 = new MyEquatable("foo");
var obj2 = new MyEquatable("foo");
var obj3 = new MyEquatable("bar");
Assert.AreEqual(obj1.GetHashCode(), obj1.GetHashCode());
Assert.AreEqual(obj1.GetHashCode(), obj2.GetHashCode());
Assert.AreNotEqual(obj1.GetHashCode(), obj3.GetHashCode());
}
public void NullReferences()
{
var obj = new MyEquatable("foo");
Assert.False(obj == null);
Assert.False(null == obj);
Assert.True((MyEquatable)null == (MyEquatable)null);
Assert.True(obj != null);
Assert.True(null != obj);
Assert.False((MyEquatable)null != (MyEquatable)null);
}
public void EqualityOperators()
{
var obj1 = new MyEquatable("foo");
var obj1a = obj1;
var obj2 = new MyEquatable("foo");
var obj3 = new MyEquatable("bar");
Assert.True(obj1 == obj1a);
Assert.True(obj1 == obj2);
Assert.False(obj1 == obj3);
Assert.False(obj1 != obj1a);
Assert.False(obj1 != obj2);
Assert.True(obj1 != obj3);
}
