public void EmptyList()
{
CollectionCompareTestUtil.ValidateEqual(
new int[] { },
new List <int> {
},
itemNotInTheCollection: 0,
enforceWritable: true);
}
public void OneItemArray()
{
CollectionCompareTestUtil.ValidateEqual(
new[] { 1 },
new[] { 1 },
itemNotInTheCollection: 0,
// arrays are readonly
enforceWritable: false);
}
public void NotEmpty()
{
IReadOnlyCollection <int> notEmpty = new[] { 1 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.DefaultIfEmpty(notEmpty),
FastLinq.DefaultIfEmpty(notEmpty),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void Duplicates()
{
IReadOnlyCollection <int> input = new[] { 1, 1, 2 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Reverse(input),
FastLinq.Reverse(input),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void NominalCase()
{
var input = new[] { 1, 2, 3 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.ToArray(input),
FastLinq.ToArray(input),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void OneItemList()
{
CollectionCompareTestUtil.ValidateEqual(
new[] { 1 },
new List <int> {
1
},
itemNotInTheCollection: 0,
enforceWritable: true);
}
public void SkipNegative()
{
IReadOnlyCollection <int> collection = new[] { 1, 2, 3 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Skip(collection, -1),
FastLinq.Skip(collection, -1),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void TakeNone()
{
IReadOnlyCollection <int> collection = new[] { 1, 2, 3 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Take(collection, 0),
FastLinq.Take(collection, 0),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void NoItems()
{
IReadOnlyCollection <int> collection = new int[] { };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.ToArray(collection),
FastLinq.ToArray <int>(collection),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void EmptyValueType()
{
IReadOnlyCollection <int> empty = new int[] { };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.DefaultIfEmpty(empty),
FastLinq.DefaultIfEmpty(empty),
itemNotInTheCollection: 1,
enforceWritable: false);
}
public void BothEmpty()
{
var first = new int[] { };
var second = new int[] { };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Zip(first, second, (i, j) => i + j),
FastLinq.Zip(first, second, (i, j) => i + j),
itemNotInTheCollection: 1,
enforceWritable: false);
}
public void SecondLarger()
{
var first = new int[] { 1, 2, 3 };
var second = new int[] { 4, 5, 6, 7, 8, 9 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Zip(first, second, (i, j) => i + j),
FastLinq.Zip(first, second, (i, j) => i + j),
itemNotInTheCollection: 1,
enforceWritable: false);
}
public void BothEmpty()
{
IReadOnlyCollection <int> first = new int[] { };
IReadOnlyCollection <int> second = new int[] { };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Concat(first, second),
FastLinq.Concat(first, second),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void NominalCase()
{
IReadOnlyCollection <int> first = new[] { 1, 2, 3 };
IReadOnlyCollection <int> second = new[] { 4, 5, 6 };
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Concat(first, second),
FastLinq.Concat(first, second),
itemNotInTheCollection: 0,
enforceWritable: false);
}
public void NominalCase()
{
IReadOnlyCollection <int> input = new[] { 1, 2, 3 };
Func <int, int, string> projection =
(item, index) => item.ToString() + index.ToString();
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}
public void InputEmpty()
{
IReadOnlyCollection <int> input = new int[] { };
Func <int, int, string> projection =
(i, _) => i.ToString();
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}
public void SelectProducesNulls()
{
IReadOnlyCollection <int> input = new[] { 1, 2, 3 };
Func <int, int, string> projection =
(i, _) => null;
CollectionCompareTestUtil.ValidateEqual(
Enumerable.Select(input, projection),
FastLinq.Select(input, projection),
itemNotInTheCollection: "",
enforceWritable: false);
}