public void EqualsAndHash()
{
Cylinder cylinder = new Cylinder(1, 2);
Cylinder same = new Cylinder(1, 2);
Cylinder diff = new Cylinder(7, 7);
Assert.IsTrue(cylinder.Equals(cylinder));
Assert.IsFalse(cylinder.Equals(null));
Assert.IsTrue(cylinder.Equals(same));
Assert.IsTrue(same.Equals(cylinder));
Assert.IsFalse(cylinder.Equals(diff));
Assert.AreEqual(cylinder.GetHashCode(), same.GetHashCode());
Assert.AreNotEqual(cylinder.GetHashCode(), diff.GetHashCode());
}
public void Cylinder_Equality()
{
var same = new Cylinder(1.Meters(), 3.Meters());
var different = new Cylinder(2.Meters(), 3.Meters());
Assert.Multiple(() =>
{
Assert.IsTrue(same == this.cylinder, "Objects should be equal");
Assert.IsTrue(same.Equals(this.cylinder), "Objects should be equal");
Assert.IsTrue(different != this.cylinder, "Objects should be different");
Assert.IsFalse(different == this.cylinder, "Objects should be different");
Assert.IsFalse(different.Equals(this.cylinder), "Objects should be different");
});
}