public void TestEquality()
{
var backendCompatible = false;
var clientUpToDate = false;
var legalVersion = new Version(1, 1);
ushort backendVersion = 1;
// Create a new instance with the same parameters and make sure they're equal.
var x = new UpdateStatus(backendCompatible, clientUpToDate, legalVersion, backendVersion);
var y = new UpdateStatus(backendCompatible, clientUpToDate, legalVersion, backendVersion);
Assert.Equal(x, y);
Assert.Equal(x.GetHashCode(), y.GetHashCode());
// Change one parameter at a time and make sure they aren't equal.
y = new UpdateStatus(true, clientUpToDate, legalVersion, backendVersion);
Assert.NotEqual(x, y);
Assert.NotEqual(x.GetHashCode(), y.GetHashCode());
y = new UpdateStatus(backendCompatible, true, legalVersion, backendVersion);
Assert.NotEqual(x, y);
Assert.NotEqual(x.GetHashCode(), y.GetHashCode());
y = new UpdateStatus(backendCompatible, clientUpToDate, new Version(2, 2), backendVersion);
Assert.NotEqual(x, y);
Assert.NotEqual(x.GetHashCode(), y.GetHashCode());
y = new UpdateStatus(backendCompatible, clientUpToDate, legalVersion, 2);
Assert.NotEqual(x, y);
Assert.NotEqual(x.GetHashCode(), y.GetHashCode());
// Mess around with the versions a bit and make sure they aren't equal.
y = new UpdateStatus(backendCompatible, clientUpToDate, new Version(1, 1, 1), backendVersion);
Assert.NotEqual(x, y);
Assert.NotEqual(x.GetHashCode(), y.GetHashCode());
}