public void ProjectionNull()
{
IReadOnlyList <int> input = new[] { 1, 2, 3 };
Func <int, int, string> projection = null;
new Action(
() => FastLinq.Select(input, projection))
.Should()
.Throw <ArgumentNullException>();
}
public void FastLinq_SelectAField_AndEnumerate()
{
var _ = FastLinq.Select(this.stringList, str => str.Length);
int i = 0;
foreach (var item in _)
{
i++;
}
}
public void InputNull()
{
IReadOnlyList <int> input = null;
Func <int, int, string> projection =
(i, _) => i.ToString();
new Action(
() => FastLinq.Select(input, projection))
.Should()
.Throw <ArgumentNullException>();
}
public void IsLazy()
{
bool any = false;
var result = FastLinq.ToLazyList(
// Need an IList for the Select
FastLinq.Select(
new[] { 0 },
_ => any = true));
Assert.IsFalse(any, "ToLazyList should be lazy");
}
public void Array_FastLinq()
{
var _ = FastLinq.Select(this.array, SelectMethod);
if (this.EnumerateAfterwards)
{
foreach (var __ in _)
{
;
}
}
}
public void IList_FastLinq()
{
var _ = FastLinq.Select(this.ilist, SelectMethod);
if (this.EnumerateAfterwards)
{
foreach (var __ in _)
{
;
}
}
}
public void InputEmpty()
{
IReadOnlyList <int> input = new int[] { };
Func <int, int, string> projection =
(i, _) => i.ToString();
ListCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}
public void SelectProducesNulls()
{
IReadOnlyList <int> input = new[] { 1, 2, 3 };
Func <int, int, string> projection =
(i, _) => null;
ListCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}
public void NominalCase()
{
IReadOnlyList <int> input = new[] { 1, 2, 3 };
Func <int, int, string> projection =
(item, index) => item.ToString() + index.ToString();
ListCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}
public void Setup()
{
switch (this.ItemType)
{
case UnderlyingItemType.Array:
this.underlying = Enumerable.Range(0, this.SizeOfInput).ToArray();
break;
case UnderlyingItemType.List:
this.underlying = Enumerable.Range(0, this.SizeOfInput).ToList();
break;
default:
throw new ArgumentOutOfRangeException();
}
this.SelectList = FastLinq.Select(
this.underlying,
i => i);
}
public void FastLinq_SelectAField_ToList()
{
List <int> _ = FastLinq.ToList(
FastLinq.Select(this.stringList, str => str.Length));
}
public void FastLinq_SelectAField_Lazy()
{
var _ = FastLinq.Select(this.stringList, str => str.Length);
}
