public static void LinqSelectTest()
{
var res =
from x in Lst.Make(4, 3, 2)
select x * 2;
Assert.Equal(new int[] { 8, 6, 4 }, res);
}
public static async Task LinqSelectAsyncTest()
{
var res =
from x in Task.FromResult(Lst.Make(4, 3, 2))
select x * 2;
Assert.Equal(new int[] { 8, 6, 4 }, await res);
}
public static IEnumerable <object[]> Ap2Data()
{
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(),
Lst.Make <int>(),
Lst.Make <int>(),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(),
Lst.Make(1),
Lst.Make <int>(),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(),
Lst.Make(1),
Lst.Make(1),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(x => y => x + y),
Lst.Make <int>(),
Lst.Make <int>(),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(x => y => x + y),
Lst.Make(4),
Lst.Make(6),
Lst.Make(10),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(x => y => x + y),
Lst.Make(1, 2, 3),
Lst.Make(7, 8, 9),
Lst.Make(8, 9, 10, 9, 10, 11, 10, 11, 12),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(x => y => x + y, x => y => x * y),
Lst.Make(5),
Lst.Make(8),
Lst.Make(13, 40),
});
yield return(new object[] {
Lst.Make <Func <int, Func <int, int> > >(x => y => x + y, x => y => x * y),
Lst.Make(5, 6, 7),
Lst.Make(10, 20, 30),
Lst.Make(15, 25, 35, 16, 26, 36, 17, 27, 37, 50, 100, 150, 60, 120, 180, 70, 140, 210),
});
}
public static async Task LinqSelectManyAsyncTest()
{
var res =
from x in Task.FromResult(Lst.Make(2, 3, 5))
from y in Task.FromResult(Lst.Make(7, 11, 13))
select x *y;
Assert.Equal(new int[] { 14, 22, 26, 21, 33, 39, 35, 55, 65 }, await res);
}
public static void LinqSelectManyTest()
{
var res =
from x in Lst.Make(2, 3, 5)
from y in Lst.Make(7, 11, 13)
select x *y;
Assert.Equal(new int[] { 14, 22, 26, 21, 33, 39, 35, 55, 65 }, res);
}
public static void LstAppendCompact()
{
var fl = Lst.Make(5, 6, 2, 8);
var fl2 = fl.Append(9);
var flSlice = fl.Slice(1, 2);
var fl3 = flSlice.Append(11);
var fl4 = flSlice.AppendRange(new int[] { 22, 33, 44 });
Assert.Equal(new int[] { 5, 6, 2, 8 }, fl);
Assert.Equal(new int[] { 5, 6, 2, 8, 9 }, fl2);
Assert.Equal(new int[] { 6, 2 }, flSlice);
Assert.Equal(new int[] { 6, 2, 11 }, fl3);
Assert.Equal(new int[] { 6, 2, 22, 33, 44 }, fl4);
}
public static void LstBindTest()
{
var res = Lst.Make <int>().Bind(x => Lst.Make("a", "b")).ToLst();
Assert.Empty(res);
res = Lst.Make <int>(1, 2, 3).Bind(x => Lst.Make <string>()).ToLst();
Assert.Empty(res);
res = Lst.Make <int>(1, 2, 3).Bind(x => Lst.Make(x + "a", x + "b")).ToLst();
Assert.Equal(new string[] { "1a", "1b", "2a", "2b", "3a", "3b" }, res);
}
public static IEnumerable <object[]> EqualsData()
{
yield return(new object[] {
Lst.Make <int>(),
Lst.Make <int>(),
true
});
yield return(new object[] {
Lst.Make(1),
Lst.Make(1),
true
});
yield return(new object[] {
Lst.Make(1, 2, 3),
Lst.Make(1, 2, 3),
true
});
yield return(new object[] {
Lst.Make(4),
Lst.Make <int>(),
false
});
yield return(new object[] {
Lst.Make <int>(),
Lst.Make(7),
false
});
yield return(new object[] {
Lst.Make(1, 2),
Lst.Make(5, 6),
false
});
yield return(new object[] {
Lst.Make(1, 2),
Lst.Make(1),
false
});
yield return(new object[] {
Lst.Make(1, 2, 3),
Lst.Make(1, 2, 3, 4),
false
});
}
public static void LstCompactTest()
{
var fl = Lst.Make(0, 1, 2, 3, 4);
var flBig = fl.AppendRange(Enumerable.Repeat(0, 3000).ZipWithStream(5, i => i + 1).Select(xy => xy.Item2));
Assert.Equal(3005, fl.UnderlyingListCount);
Assert.Equal(3005, flBig.UnderlyingListCount);
Assert.Equal(new int[] { 0, 1, 2, 3, 4 }, fl);
flBig.Dispose();
Assert.Equal(5, fl.UnderlyingListCount);
Assert.Equal(new int[] { 0, 1, 2, 3, 4 }, fl);
flBig = fl.AppendRange(Enumerable.Repeat(0, 2000).ZipWithStream(5, i => i + 1).Select(xy => xy.Item2));
Assert.Equal(new int[] { 0, 1, 2, 3, 4 }, fl);
Assert.Equal(2005, fl.UnderlyingListCount);
Assert.Equal(2005, flBig.UnderlyingListCount);
var flSlice = flBig.Slice(10, 300);
var flSlice2 = flBig.Slice(11, 300);
var flSlice3 = flBig.Slice(5, 300);
var flSlice4 = flBig.Slice(20, 5);
var flSlice5 = flBig.Slice(5, 400);
Assert.Equal(300, flSlice.Count);
Assert.Equal(Enumerable.Range(10, 300), flSlice);
Assert.Equal(300, flSlice2.Count);
Assert.Equal(Enumerable.Range(11, 300), flSlice2);
Assert.Equal(300, flSlice3.Count);
Assert.Equal(Enumerable.Range(5, 300), flSlice3);
Assert.Equal(5, flSlice4.Count);
Assert.Equal(Enumerable.Range(20, 5), flSlice4);
Assert.Equal(400, flSlice5.Count);
Assert.Equal(Enumerable.Range(5, 400), flSlice5);
Assert.Equal(2005, flBig.UnderlyingListCount);
flBig.Dispose();
Assert.Equal(405, flSlice.UnderlyingListCount);
Assert.Equal(405, flSlice2.UnderlyingListCount);
Assert.Equal(405, flSlice3.UnderlyingListCount);
Assert.Equal(405, flSlice4.UnderlyingListCount);
Assert.Equal(405, flSlice5.UnderlyingListCount);
}
public static IEnumerable <object[]> Ap1Data()
{
yield return(new object[] {
Lst.Make <Func <int, int> >(),
Lst.Make <int>(),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(),
Lst.Make(1),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(x => x + 1),
Lst.Make <int>(),
Lst.Make <int>(),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(x => x + 1),
Lst.Make(4),
Lst.Make(5),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(x => x + 1),
Lst.Make(1, 2, 3),
Lst.Make(2, 3, 4),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(x => x + 1, x => x * 2),
Lst.Make(5),
Lst.Make(6, 10),
});
yield return(new object[] {
Lst.Make <Func <int, int> >(x => x + 1, x => x * 2),
Lst.Make(5, 6, 7),
Lst.Make(6, 7, 8, 10, 12, 14),
});
}
public static void LstMonadZeroTest(int[] xs, int[] ys, int[] expected)
{
Assert.Empty(Lst.Make <int>().Mzero().ToLst());
Assert.Equal(expected, xs.MakeLst().Mplus(ys.MakeLst()).ToLst());
}