public void Cannot_compare_if_the_value_is_not_a_decimal()
 {
     var valueComparer = new DecimalValueComparer();
     valueComparer.CanCompare("x").ShouldBeFalse();
     valueComparer.CanCompare(1).ShouldBeFalse();
     valueComparer.CanCompare(3.14).ShouldBeFalse();
 }
 public void Can_compare_if_the_value_is_a_decimal()
 {
     var valueComparer = new DecimalValueComparer();
     valueComparer.CanCompare(1.0M).ShouldBeTrue();
     valueComparer.CanCompare(3.34M).ShouldBeTrue();
     valueComparer.CanCompare(-1.24M).ShouldBeTrue();
 }