public void IsValidReturnsFalseWhenGivenNullObject()
{
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, int>
(f => f.Integer, "Int", 0, 5);
bool isValid = rule.IsValid(null);
Assert.IsFalse(isValid, "IsValid returned true for null object.");
}
public void GetErrorMessageReturnsMessageForNonNullObject()
{
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, int>
(f => f.Integer, "Int", 0, 0);
string errorMessage = rule.GetErrorMessage(new FakeObjectToValidate());
Assert.IsNotNull(errorMessage);
Assert.IsNotEmpty(errorMessage);
}
public void IsValidReturnsFalseWhenGivenNumberGreaterThanMaximumNumber()
{
const int maximumNumber = 5;
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, int>
(f => f.Integer, "Int", 0, maximumNumber);
bool isValid = rule.IsValid(new FakeObjectToValidate {
Integer = maximumNumber + 1
});
Assert.IsFalse(isValid, "IsValid returned true for number greater than maximum number.");
}
public void IsValidReturnsTrueWhenGivenNumberMatchesMaximumNumber()
{
const int maximumNumber = 5;
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, int>
(f => f.Integer, "Int", 0, maximumNumber);
bool isValid = rule.IsValid(new FakeObjectToValidate {
Integer = maximumNumber
});
Assert.IsTrue(isValid, "IsValid returned false for number matching maximum number.");
}
public void IsValidReturnsFalseWhenGivenNumberIsLessThanMinimumNumber()
{
const int minimumNumber = 1;
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, decimal>
(f => f.Decimal, "Decimal", minimumNumber, 5m);
bool isValid = rule.IsValid(new FakeObjectToValidate {
Decimal = minimumNumber - 1
});
Assert.IsFalse(isValid, "IsValid returned true for number less than minimum number.");
}
public void IsValidReturnsTrueWhenGivenNumberMatchesMinimumNumber()
{
const int minimumNumber = 0;
IValidationRule <FakeObjectToValidate> rule = new NumberMustBeInRangeRule <FakeObjectToValidate, long>
(f => f.Long, "Long", minimumNumber, 5);
bool isValid = rule.IsValid(new FakeObjectToValidate {
Integer = minimumNumber
});
Assert.IsTrue(isValid, "IsValid returned false for number matching minimum number.");
}
