mlemanczyk/Recyclable.Collections.Compatibility.List
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RecyclableLongList.Compatibility.List.FindLastIndex() implemented. Tests extended.

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mlemanczyk committed 2023-12-17 18:42:27 +01:00
1 parent 033a442598
commit b3c8e49600
2 files changed
+160 -86
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Recyclable.Collections.Compatibility.List.Tests/RecyclableLongListCompatibilityListTests.cs
+27 -27
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@@ -444,6 +444,32 @@ namespace Recyclable.CollectionsTests
}
}
[Theory]
[MemberData(nameof(RecyclableLongListTestData.SourceDataWithBlockSizeWithItemIndexWithRangeVariants), MemberType = typeof(RecyclableLongListTestData))]
public void FindIndexShouldNotAnythingWhenRangeExcludesItem(string testCase, IEnumerable<long> testData, int itemsCount, int minBlockSize, in (long ItemIndex, long RangedItemsCount)[] itemRanges)
{
// Prepare
using var list = new RecyclableLongList<long>(testData, initialCapacity: itemsCount);
var expectedData = testData.ToList();
foreach (var (itemIndex, rangedItemsCount) in itemRanges)
{
TestWith(itemsCount, list, expectedData, itemIndex, rangedItemsCount, expectedData[Math.Max((int)(itemIndex - 1), 0)]);
TestWith(itemsCount, list, expectedData, itemIndex, rangedItemsCount, expectedData[Math.Min((int)(itemIndex + rangedItemsCount), itemsCount - 1)]);
}
static void TestWith(int itemsCount, RecyclableLongList<long> list, List<long> expectedData, long itemIndex, long rangedItemsCount, long expectedItem)
{
var expected = expectedData.FindIndex((int)itemIndex, (int)rangedItemsCount, item => item == expectedItem);
// Act
var actual = list.FindIndex((int)itemIndex, (int)rangedItemsCount, item => item == expectedItem);
// Validate
_ = actual.Should().Be(expected);
}
}
[Theory]
[MemberData(nameof(RecyclableLongListTestData.SourceDataWithItemIndexVariants), MemberType = typeof(RecyclableLongListTestData))]
public void FindIndexShouldReturnCorrectIndexes(string testCase, IEnumerable<long> testData, int itemsCount, in long[] itemIndexes)
@@ -493,32 +519,6 @@ namespace Recyclable.CollectionsTests
}
}
[Theory]
[MemberData(nameof(RecyclableLongListTestData.SourceDataWithBlockSizeWithItemIndexWithRangeVariants), MemberType = typeof(RecyclableLongListTestData))]
public void FindIndexShouldNotAnythingWhenRangeExcludesItem(string testCase, IEnumerable<long> testData, int itemsCount, int minBlockSize, in (long ItemIndex, long RangedItemsCount)[] itemRanges)
{
// Prepare
using var list = new RecyclableLongList<long>(testData, initialCapacity: itemsCount);
var expectedData = testData.ToList();
foreach (var (itemIndex, rangedItemsCount) in itemRanges)
{
TestWith(itemsCount, list, expectedData, itemIndex, rangedItemsCount, expectedData[Math.Max((int)(itemIndex - 1), 0)]);
TestWith(itemsCount, list, expectedData, itemIndex, rangedItemsCount, expectedData[Math.Min((int)(itemIndex + rangedItemsCount), itemsCount - 1)]);
}
static void TestWith(int itemsCount, RecyclableLongList<long> list, List<long> expectedData, long itemIndex, long rangedItemsCount, long expectedItem)
{
var expected = expectedData.FindIndex((int)itemIndex, (int)rangedItemsCount, item => item == expectedItem);
// Act
var actual = list.FindIndex((int)itemIndex, (int)rangedItemsCount, item => item == expectedItem);
// Validate
_ = actual.Should().Be(expected);
}
}
[Theory]
[MemberData(nameof(RecyclableLongListTestData.SourceDataWithItemIndexVariants), MemberType = typeof(RecyclableLongListTestData))]
public void FindIndexShouldReturnCorrectIndexesWhenConstrainedIndex(string testCase, IEnumerable<long> testData, int itemsCount, in long[] itemIndexes)
@@ -579,7 +579,7 @@ namespace Recyclable.CollectionsTests
static void TestWith(int itemsCount, RecyclableLongList<long> list, List<long> expectedData, long itemIndex, long expectedItem)
{
var expected = expectedData.FindLastIndex(itemsCount - 1, itemsCount, x => x == expectedItem);
_ = list.FindLastIndex(itemsCount - 1, itemsCount, x => x == expectedItem).Should().Be((int)itemIndex).And.Be(expected);
_ = list.FindLastIndex(itemsCount - 1, itemsCount, x => x == expectedItem).Should().Be(expected);
}
}