public void EvaluateShouldReturnSuccessForNullValue()
{
// arrange
var rule = new NullableRangeRule<int>( 0 );
var property = new Property<int?>( "Counter", null );
var expected = ValidationResult.Success;
// act
var actual = rule.Evaluate( property );
// assert
Assert.Equal( expected, actual );
}
public void EvaluateShouldReturnExpectedResultForInvalidValue( int value )
{
// arrange
var rule = new NullableRangeRule<int>( 1, 10 );
var property = new Property<int?>( "Counter", value );
// act
var actual = rule.Evaluate( property );
// assert
Assert.Equal( "The Counter field must be between 1 and 10.", actual.ErrorMessage );
Assert.Equal( 1, actual.MemberNames.Count() );
Assert.Equal( "Counter", actual.MemberNames.Single() );
}