public void FoldShouldWorkCorrectOnSameType()
{
Assert.AreEqual(24, FunctionsOnLists.Fold(new List <int>()
{
2, 3, 4
}, 1, (cur, next) => cur * next));
}
public void FoldShouldWorkCorrectOnDifferentTypes()
{
Assert.AreEqual(24, FunctionsOnLists.Fold(new List <string>()
{
"aa", "aaa", "aaaa"
}, 1, (cur, next) => cur * next.Length));
}
public void FilterShouldReturnsEmptyList()
{
Assert.IsEmpty(FunctionsOnLists.Filter(new List <string>()
{
"kek", "lol"
}, x => x.Contains('a')));
Assert.IsEmpty(FunctionsOnLists.Filter(new List <string>(), x => true));
}
public void FilterShouldWorkCorrectOnIntegers()
{
CollectionAssert.AreEqual(
new List <int>()
{
1, 3
},
FunctionsOnLists.Filter(new List <int>()
{
1, 2, 3
}, x => x % 2 == 1));
}
public void MapShouldGiveCorrectResultOnDifferentTypes()
{
CollectionAssert.AreEqual(
new List <bool>()
{
false, true, false
},
FunctionsOnLists.Map(new List <string>()
{
"kek", "KaRaNtIn", "lol"
}, x => x.Contains('a')));
}
public void MapShouldGiveCorrectResultOnIntegers()
{
CollectionAssert.AreEqual(
new List <int>()
{
2, 4, 6
},
FunctionsOnLists.Map(new List <int>()
{
1, 2, 3
}, x => x * 2));
}
public void FoldShouldWorkCorrectWithEmptyList()
{
Assert.AreEqual(173, FunctionsOnLists.Fold(new List <int>(), 173, (cur, next) => 0));
}
public void MapShouldReturnEmptyListOnEmptyLists()
{
Assert.IsEmpty(FunctionsOnLists.Map(new List <string>(), x => string.Empty));
Assert.IsEmpty(FunctionsOnLists.Map(new List <bool>(), x => x.ToString()));
}