public void EmptyInput_Construct_NoneReturned()
{
//Arrange
var none = Option <Pyramid <int> > .None;
var constructor = new PyramidConstructor <int>();
var input = new List <IList <int> >();
//Act
var result = constructor.ConstructPyramidFromDataLines(input);
//Assert
Assert.AreSame(none, result);
}
public void SingleLineInput_Construct_PyramidWithOnlyTopReturned()
{
//Arrange
var expectedResult = new Option <Pyramid <int> >(new Pyramid <int>(1));
var constructor = new PyramidConstructor <int>();
var input = new List <IList <int> > {
new List <int> {
1
}
};
//Act
var result = constructor.ConstructPyramidFromDataLines(input);
//Assert
Assert.AreEqual(expectedResult, result);
}
public void NormalInput_Construct_ExpectedPyramidReturned()
{
//Arrange
var p4_1 = new Pyramid <int>(-11);
var p4_2 = new Pyramid <int>(200);
var p4_3 = new Pyramid <int>(300);
var p4_4 = new Pyramid <int>(0);
var p3_1 = new Pyramid <int>(p4_1, 4, p4_2);
var p3_2 = new Pyramid <int>(p4_2, 5, p4_3);
var p3_3 = new Pyramid <int>(p4_3, 6, p4_4);
var p2_1 = new Pyramid <int>(p3_1, 2, p3_2);
var p2_2 = new Pyramid <int>(p3_2, 3, p3_3);
var p1_1 = new Pyramid <int>(p2_1, 1, p2_2);
var expectedResult = new Option <Pyramid <int> >(p1_1);
var constructor = new PyramidConstructor <int>();
var input = new List <IList <int> >
{
new List <int> {
1
},
new List <int> {
2, 3
},
new List <int> {
4, 5, 6
},
new List <int> {
-11, 200, 300, 0
},
};
//Act
var result = constructor.ConstructPyramidFromDataLines(input);
//Assert
Assert.AreEqual(expectedResult, result);
}
public void InputLinesNotInAscendingByOneOrder_Construct_ExceptionIsThrown()
{
//Arrange
var constructor = new PyramidConstructor <int>();
var invalidInput = new List <IList <int> >
{
new List <int> {
0, 1
},
new List <int> {
2
},
new List <int> {
3, 4, 5
}
};
//Act
void ConstructOp() => constructor.ConstructPyramidFromDataLines(invalidInput);
//Assert
Assert.Throws <InvalidOperationException>(ConstructOp);
}
