public void ItCorrecltyWorksInLinqToSql(int[] input, int[] expected)
{
var spec = new TestSpecification <int>(val => val > 0);
var result = input.AsQueryable().Where(spec);
result.Should()
.BeEquivalentTo(expected);
}
public void SatisfiedByHandlesNull(string value, bool expected)
{
var isNull = new TestSpecification <string>(val => val == null);
var result = new Negated <string>(isNull).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}
public void SatisfiedByYieldCorrectResult(int value, bool expected)
{
var isPositive = new TestSpecification <int>(val => val > 0);
var result = new Negated <int>(isPositive).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}
public void CtorThrowsIfAnyOperandIsNull()
{
var isPositive = new TestSpecification <int>(val => val > 0);
var largerThanTen = new TestSpecification <int>(val => val > 10);
Action nullOperand = () => new Or <int>(largerThanTen, null);
nullOperand.Should()
.Throw <ArgumentException>();
}
public void SatisfiedByHandlesNull(string value, bool expected)
{
var isNull = new TestSpecification <string>(val => val == null);
var isEmpty = new TestSpecification <string>(val => val != null && val.Length == 0);
var result = new Or <string>(isNull, isEmpty).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}
public void SatisfiedByYieldCorrectResult(int value, bool expected)
{
var isPositive = new TestSpecification <int>(val => val > 0);
var largerThanTen = new TestSpecification <int>(val => val > 10);
var largerThanFifthTen = new TestSpecification <int>(val => val > 15);
var result = new Or <int>(isPositive, largerThanTen, largerThanFifthTen).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}
