public void GetPermutations()
{
// arrange
InvariantDictionary <InvariantHashSet> values = new InvariantDictionary <InvariantHashSet>
{
["a"] = new InvariantHashSet {
"a1", "a2", "a3"
},
["b"] = new InvariantHashSet {
"b1", "b2", "b3"
},
["c"] = new InvariantHashSet {
"c1", "c2", "c3"
}
};
// act
IEnumerable <InvariantDictionary <string> > permutations = new ConditionFactory().GetPermutations(values);
// assert
IEnumerable <string> actual = permutations.Select(permutation => "(" + this.SortAndCommaDelimit(permutation.Values.OrderBy(p => p)) + ")");
IList <string> expected = new List <string>();
for (int a = 1; a <= 3; a++)
{
for (int b = 1; b <= 3; b++)
{
for (int c = 1; c <= 3; c++)
{
expected.Add($"(a{a}, b{b}, c{c})");
}
}
}
this.SortAndCommaDelimit(actual).Should().Be(this.SortAndCommaDelimit(expected));
}