public void WithSevenIterables()
{
var iterables = new Dictionary <int, IEnumerable <char> >();
for (var i = 0; i < 50; i++)
{
iterables[i] = Utils.RangeOfChars(3, 65 + i);
}
var expected2 = new Tuple <char, char, char, char, char, char, char>
(
'A', 'B', 'C', 'D', 'E', 'F', 'I'
);
var expected2184 = new Tuple <char, char, char, char, char, char, char>
(
'C', 'D', 'E', 'F', 'G', 'H', 'G'
);
var actual = Nitre.Product
(
iterables[0],
iterables[1],
iterables[2],
iterables[3],
iterables[4],
iterables[5],
iterables[6]
).ToList();
Assert.StrictEqual(actual.Count, Math.Pow(3, 7));
Assert.Equal(expected2, actual[2]);
Assert.Equal(expected2184, actual[2184]);
}
public void WithRepeat()
{
var expected1 = new Tuple <int, char>(1, 'C');
var expected29 = new Tuple <int, char>(5, 'C');
var iterable0 = Enumerable.Range(1, 5);
var iterable1 = Utils.RangeOfChars(3);
var actual = Nitre.Product(iterable0, iterable1, 2).ToList();
Assert.StrictEqual(30, actual.Count);
Assert.Equal(expected1, actual[2]);
Assert.Equal(expected29, actual[29]);
Assert.Equal(actual[13], actual[28]);
}
public void WithTwoLists()
{
var expected0 = new Tuple <int, char>(1, 'A');
var expected2 = new Tuple <int, char>(1, 'C');
var expected11 = new Tuple <int, char>(3, 'D');
var iterable0 = Enumerable.Range(1, 3);
var iterable1 = Utils.RangeOfChars(4);
var actual = Nitre.Product(iterable0, iterable1).ToList();
Assert.StrictEqual(12, actual.Count);
Assert.Equal(expected0, actual[0]);
Assert.Equal(expected2, actual[2]);
Assert.Equal(expected11, actual[11]);
}
public void ProductFilter()
{
var iterables = Create();
var actual =
Nitre.Product(iterables.Item1, iterables.Item2, iterables.Item3)
.Filter(item => item.Item1.MunicipalityId == item.Item2.MunicipalityId)
.Filter(item => item.Item2.IsoCode == item.Item3.IsoCode || "GB" == item.Item3.IsoCode)
.ToArray();
var countries = actual.Select(t => t.Item3.IsoCode).ToArray();
var municipalities = actual.Select(t => t.Item2.IsoCode).ToArray();
var libraries = actual.Select(t => t.Item1.MunicipalityId).ToArray();
Assert.Contains("GB", countries);
Assert.Contains("CN", countries);
Assert.DoesNotContain("IN", countries);
Assert.Contains("CN", municipalities);
Assert.Contains("XL", municipalities);
Assert.DoesNotContain("IL", municipalities);
Assert.Contains(3, libraries);
}
public void Filter()
{
var iterable0 = Utils.RangeOfChars(3);
var iterable1 = Utils.RangeOfChars(5);
var iterable2 = Enumerable.Range(0, 10);
var actual =
Nitre.Product(iterable0, iterable1, iterable2)
.Filter(item => item.Item1 == 'A' && item.Item2 == 'E')
.Filter(item => item.Item3 == 5 || item.Item3 == 7)
.ToList();
var actual0 = actual.Select(t => t.Item1).ToList();
var actual1 = actual.Select(t => t.Item2).ToList();
int numberMax = actual.Select(t => t.Item3).Max();
Assert.Equal(2, actual.Count);
Assert.Contains('A', actual0);
Assert.Contains('E', actual1);
Assert.DoesNotContain('B', actual1);
Assert.Equal(7, numberMax);
}
public void FilterForIndexAndImmutableCollection_AssertOrder()
{
var iterable0 = Utils.RangeOfChars(3).ToArray();
var iterable1 = Utils.RangeOfChars(5, 70).ToList();
var iterable2 = Enumerable.Range(0, 4).ToImmutableArray();
var tuple0 = Nitre.Product(iterable0, iterable1, iterable2).ToArray();
var tuple1 = Nitre.Product(iterable2, iterable0, iterable1).ToArray();
var actual0 =
tuple0
.Filter((item, index) => index == 50)
.Single();
var actual1 =
tuple1
.Filter((item, index) => index == 50)
.Single();
Assert.Equal('C', actual0.Item1);
Assert.Equal(2, actual0.Item3);
Assert.Equal(3, actual1.Item1);
Assert.True(actual0.Item1 > actual1.Item1);
}
public void WithInvalidRepeatThrows()
{
Action action = () => Nitre.Product(new int[] {}, new int[] {}, -1).ToList();
Assert.Throws <ArgumentException>(action);
}