public void TestLookupOperators()
{
var x = LikertScale.Slightly;
var y = LikertScale.Slightly;
Assert.AreEqual(true, x.Equals(x));
Assert.AreEqual(true, x == x);
Assert.AreEqual(true, x.Equals(LikertScale.Slightly));
Assert.AreEqual(true, x == LikertScale.Slightly);
Assert.AreEqual(true, x == y);
Assert.AreEqual(false, x > y);
Assert.AreEqual(false, x < y);
Assert.AreEqual(false, x != y);
Assert.AreEqual(false, x == LikertScale.Moderately);
Assert.AreEqual(false, x > LikertScale.Moderately);
Assert.AreEqual(true, x < LikertScale.Moderately);
Assert.AreEqual(true, x != LikertScale.Moderately);
Assert.AreEqual(true, x == 1);
Assert.AreEqual(false, x > 1);
Assert.AreEqual(false, x < 1);
Assert.AreEqual(false, x != 1);
Assert.AreEqual(false, x == 2);
Assert.AreEqual(false, x > 2);
Assert.AreEqual(true, x < 2);
Assert.AreEqual(true, x != 2);
Assert.AreEqual(x.Equals(y), y.Equals(x));
Assert.AreEqual(x == y, y == x);
Assert.AreEqual(x.Equals(LikertScale.Slightly), LikertScale.Slightly.Equals(x));
Assert.AreEqual(x == LikertScale.Slightly, LikertScale.Slightly == x);
Assert.AreEqual(x.Equals(LikertScale.Moderately), LikertScale.Moderately.Equals(x));
Assert.AreEqual(x == LikertScale.Moderately, LikertScale.Moderately == x);
Assert.AreEqual(false, x.Equals(null));
LikertScale z = null;
Assert.AreEqual(true, z == null);
Assert.AreEqual(false, z != null);
Assert.AreEqual(x == z, z == x);
z = LikertScale.NotAtAll;
Assert.AreEqual(false, z == null);
Assert.AreEqual(true, z != null);
Assert.AreEqual(x == z, z == x);
//if (x.Equals(y) && y.Equals(z)) returns true, then x.Equals(z) returns true.
}
/// <summary>
/// Creates a <see cref="Microsoft.Practices.EnterpriseLibrary.Validation.Validator"/> that will validate
/// a field with a domain list of allowable values.
/// </summary>
/// <param name="scale">The list of valid options.</param>
/// <returns>A <see cref="Microsoft.Practices.EnterpriseLibrary.Validation.Validator"/> that will validate
/// a field with a domain list of allowable values.</returns>
private Validator CreateValidatorForLikertScale(LikertScale scale)
{
string[] optionValues = scale.Select(x => x.Value.ToString(CultureInfo.InvariantCulture)).ToArray();
return new NullableDomainValidator<object>(ValidationMessage.InvalidOption, optionValues);
}
