public void InvokeNullableCandidate_ReturnFalse(int?candidate, int?greaterThan)
{
var sut = new GreaterThanOrEqualSpecification <int?>(greaterThan);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.False(result);
}
public void NullableCandidate_ReturnFalse(int?candidate, int?greaterThan)
{
var sut = new GreaterThanOrEqualSpecification <int?>(greaterThan);
var result = sut.IsSatisfiedBy(candidate);
Assert.False(result);
}
public void NotGreaterThanOrEqualCandidate_ReturnFalse <T>(T candidate, T greaterThan, IComparer <T> comparer)
{
candidate = candidate?.ToString() != "null" ? candidate : default;
var sut = new GreaterThanOrEqualSpecification <T>(greaterThan, comparer);
var result = sut.IsSatisfiedBy(candidate);
Assert.False(result);
}
public void InvokeGreaterThanOrEqual_ReturnGreaterThanOrEqualSpecification()
{
var comparer = new FakeIntComparer();
var expected = new GreaterThanOrEqualSpecification <int>(0, comparer);
var sut = Specification.GreaterThanOrEqual(0, comparer);
Assert.Equal(expected, sut, new SpecificationComparer());
}
public void CorrectNullableCandidate_ReturnExpectedResultObject(int?candidate, int?greaterThan,
SpecificationResult expected)
{
var sut = new GreaterThanOrEqualSpecification <int?>(greaterThan);
var overall = sut.IsSatisfiedBy(candidate, out var result);
Assert.True(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public void NonGenericILinqSpecification_ReturnExpressionAsAbstractExpression()
{
var sut = new GreaterThanOrEqualSpecification <string>(null);
var expected = sut.GetExpression().ToString();
var sutExpression = ((ILinqSpecification)sut).GetExpression();
var result = sutExpression.ToString();
Assert.Equal(expected, result);
}
public void InvokeNotGreaterThanOrEqualCandidate_ReturnFalse <T>(T candidate, T greaterThan,
IComparer <T> comparer)
{
candidate = candidate?.ToString() != "null" ? candidate : default;
var sut = new GreaterThanOrEqualSpecification <T>(greaterThan, comparer);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.False(result);
}
public void NotGreaterThanOrEqualCandidate_ReturnExpectedResultObject <T>(T candidate, T greaterThan,
IComparer <T> comparer, SpecificationResult expected)
{
candidate = candidate?.ToString() != "null" ? candidate : default;
var sut = new GreaterThanOrEqualSpecification <T>(greaterThan, comparer);
var overall = sut.IsSatisfiedBy(candidate, out var result);
Assert.False(overall);
Assert.Equal(expected, result, new SpecificationResultComparer(candidate));
}
protected BaseBetweenSpecification(T from, T to, bool inclusive, IComparer<T> comparer)
{
From = from;
To = to;
if (inclusive)
{
_lessThanSpecification = new LessThanOrEqualSpecification<T>(to, comparer);
_greaterThanSpecification = new GreaterThanOrEqualSpecification<T>(from, comparer);
}
else
{
_lessThanSpecification = new LessThanSpecification<T>(to, comparer);
_greaterThanSpecification = new GreaterThanSpecification<T>(from, comparer);
}
var fromGreaterThanSpec = new GreaterThanOrEqualSpecification<T>(from, comparer);
if (fromGreaterThanSpec.IsNotSatisfiedBy(to))
throw new ArgumentException("To must be greater than From", nameof(to));
}