590 lines
17 KiB
C#
590 lines
17 KiB
C#
using FluentAssertions;
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using Recyclable.Collections;
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using Recyclable.Collections.Linq;
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#pragma warning disable xUnit1026, RCS1163, IDE0060, RCS1235
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namespace Recyclable.CollectionsTests
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{
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public class RecyclableListTests
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{
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddRangeShouldAddItemsInCorrectOrder(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>();
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// Act
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if (testData is long[] testDataArray)
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{
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list.AddRange(testDataArray);
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}
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else if (testData is List<long> testDataList)
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{
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list.AddRange(testDataList);
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}
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else if (testData is RecyclableList<long> testDataRecyclableList)
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{
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list.AddRange(testDataRecyclableList);
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}
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else if (testData is RecyclableLongList<long> testDataRecyclableLongList)
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{
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list.AddRange(testDataRecyclableLongList);
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}
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else if (testData is IList<long> testDataIList)
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{
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list.AddRange(testDataIList);
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}
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else if (testData is IEnumerable<long> testDataIEnumerable)
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{
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list.AddRange(testDataIEnumerable);
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}
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else
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{
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throw new InvalidCastException("Unknown type of test data");
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}
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// Validate
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount, "when capacity == 0, then we should allocate as much memory as needed, only");
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.EmptySourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddRangeShouldDoNothingWhenSourceIsEmpty(string testCase, IEnumerable<long> testData)
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{
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// Prepare
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using var list = new RecyclableList<long>();
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// Act
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if (testData is long[] testDataArray)
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{
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list.AddRange(testDataArray);
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}
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else if (testData is List<long> testDataList)
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{
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list.AddRange(testDataList);
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}
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else if (testData is RecyclableList<long> testDataRecyclableList)
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{
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list.AddRange(testDataRecyclableList);
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}
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else if (testData is RecyclableLongList<long> testDataRecyclableLongList)
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{
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list.AddRange(testDataRecyclableLongList);
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}
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else if (testData is IList<long> testDataIList)
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{
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list.AddRange(testDataIList);
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}
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else if (testData is IEnumerable<long> testDataIEnumerable)
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{
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list.AddRange(testDataIEnumerable);
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}
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else
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{
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throw new InvalidCastException("Unknown type of test data");
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}
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// Validate
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_ = list.Capacity.Should().Be(RecyclableDefaults.InitialCapacity);
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_ = list.Count.Should().Be(0);
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_ = list.Should().BeEmpty();
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddRangeShouldNotOverrideItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>();
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// Act
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if (testData is long[] testDataArray)
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{
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list.AddRange(testDataArray);
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list.AddRange(testDataArray);
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}
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else if (testData is List<long> testDataList)
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{
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list.AddRange(testDataList);
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list.AddRange(testDataList);
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}
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else if (testData is RecyclableList<long> testDataRecyclableList)
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{
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list.AddRange(testDataRecyclableList);
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list.AddRange(testDataRecyclableList);
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}
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else if (testData is RecyclableLongList<long> testDataRecyclableLongList)
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{
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list.AddRange(testDataRecyclableLongList);
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list.AddRange(testDataRecyclableLongList);
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}
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else if (testData is IList<long> testDataIList)
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{
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list.AddRange(testDataIList);
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list.AddRange(testDataIList);
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}
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else if (testData is IEnumerable<long> testDataIEnumerable)
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{
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list.AddRange(testDataIEnumerable);
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list.AddRange(testDataIEnumerable);
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}
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else
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{
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throw new InvalidCastException("Unknown type of test data");
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}
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// Validate
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using var expectedData = testData.Concat(testData).ToRecyclableLongList();
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if (itemsCount > 0)
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{
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount * 2);
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}
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_ = list.Count.Should().Be(expectedData.Count);
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_ = list.Should().Equal(expectedData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddShouldAcceptDuplicates(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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testData = testData.Concat(testData).ToRecyclableLongList();
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// Act
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using var list = new RecyclableList<long>();
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foreach (var index in testData)
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{
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list.Add(index);
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}
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// Validate
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_ = list.Count.Should().Be((int)(itemsCount * 2));
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_ = list.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddShouldAddItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>();
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// Act
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foreach (var item in testData)
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{
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list.Add(item);
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_ = list.Count.Should().Be((int)item);
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}
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// Validate
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount);
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void AddShouldAddItemWhenAfterAddRange(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Act
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using var list = new RecyclableList<long>();
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list.AddRange(testData);
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foreach (var index in testData)
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{
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list.Add(index);
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}
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// Validate
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_ = list.Count.Should().Be((int)(itemsCount * 2));
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_ = list.Should().Equal(testData.Concat(testData));
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ClearShouldRemoveAllItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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_ = list.Count.Should().Be((int)itemsCount);
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// Act
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list.Clear();
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list.Clear();
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// Validate
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_ = list.Count.Should().Be(0);
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_ = list.Should().BeEmpty();
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ConsecutiveDisposeShouldSucceed(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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list.Dispose();
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// Act
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list.Dispose();
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ConstructorShouldAcceptDuplicates(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Act
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using var list = new RecyclableList<long>(testData.Concat(testData), (int)itemsCount * 2);
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// Validate
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_ = list.Count.Should().Be((int)itemsCount * 2);
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_ = list.Should().Equal(testData.Concat(testData));
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ConstructorShouldAddItemsInCorrectOrderWhenSourceIsIEnumerable(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Act
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Validate
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount, "when we succeed in taking count without enumerating, then we allocate as much memory as needed, only");
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ConstructorSourceShouldInitializeList(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Act
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Validate
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ContainsShouldFindAllItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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if (itemsCount == 0)
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{
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return;
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}
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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_ = testData.Any().Should().BeTrue("we need items on the list that we can look for");
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// Act
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foreach (var item in testData)
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{
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// Validate
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_ = list.Contains(item).Should().BeTrue();
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}
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}
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[Fact]
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public void ContainsShouldNotFindAnythingWhenListEmpty()
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{
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// Prepare
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using var list = new RecyclableList<int>();
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// Validate
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_ = list.Contains(0).Should().BeFalse();
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_ = list.Contains(1).Should().BeFalse();
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void ContainsShouldNotFindNonExistingItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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if (itemsCount == 0)
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{
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return;
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}
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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_ = testData.Any().Should().BeTrue("we need items on the list that we can look for");
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// Act
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foreach (var item in testData)
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{
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// Validate
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_ = list.Contains(-item).Should().BeFalse();
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}
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// Validate
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_ = list.Contains(0).Should().BeFalse();
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void CopyToShouldCopyAllItemsInTheCorrectOrder(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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long[] copiedItems = new long[itemsCount];
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// Act
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list.CopyTo(copiedItems, 0);
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// Validate
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_ = copiedItems.Should().Equal(testData);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void EnumerateShouldYieldAllItemsInCorrectOrder(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Act
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var yieldedItems = new List<long>((int)itemsCount);
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using var enumerator = list.GetEnumerator();
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while (enumerator.MoveNext())
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{
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yieldedItems.Add(enumerator.Current);
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}
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// Validate
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_ = yieldedItems.Count.Should().Be((int)itemsCount);
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_ = yieldedItems.Should().Equal(testData);
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}
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[Fact]
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public void IndexOfShouldNotFindAnythingWhenListEmpty()
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{
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// Prepare
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using var list = new RecyclableList<int>();
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// Validate
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_ = list.IndexOf(0).Should().Be(-1);
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_ = list.IndexOf(1).Should().Be(-1);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void IndexOfShouldNotFindNonExistingItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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if (itemsCount == 0)
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{
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// There is nothing to search for when our lists are empty
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return;
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}
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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_ = testData.Any().Should().BeTrue("we need items on the list that we can look for");
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// Act
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foreach (var item in testData)
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{
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// Validate
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_ = list.IndexOf(-item).Should().Be(-1);
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}
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// Validate
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_ = list.IndexOf(0).Should().Be(-1);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void IndexOfShouldReturnCorrectIndexes(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Act & Validate
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foreach (var index in testData)
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{
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var actual = list.IndexOf(index);
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_ = actual.Should().Be((int)(index - 1));
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}
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void InitializeSortClearAddRangeRemoveShouldSucceed(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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if (itemsCount == 0)
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{
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return;
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}
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// Act
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using RecyclableList<long> list = new(testData, (int)itemsCount);
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QuickSortExtensions<long>.QuickSort(list);
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// Validate
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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// Act
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list.Clear();
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// Validate
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_ = list.Count.Should().Be(0);
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_ = list.Should().BeEmpty();
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// Act
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list.AddRange(testData);
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// Validate
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData);
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// Act
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foreach (var item in testData.Reverse())
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{
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_ = list.Remove(item).Should().BeTrue();
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}
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void InsertAtTheBeginningShouldMoveItems(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>((int)itemsCount);
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// Act
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foreach (var item in testData)
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{
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list.Insert(0, item);
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_ = list.Count.Should().Be((int)item);
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}
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// Validate
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount);
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_ = list.Count.Should().Be((int)itemsCount);
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_ = list.Should().Equal(testData.Reverse());
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceTargetDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void InsertAtTheEndShouldAppend(string testCase, IEnumerable<long> testData, long itemsCount, int targetBlockSize)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData);
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// Act
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list.Insert((int)itemsCount, -1);
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// Assert
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_ = list.Count.Should().Be((int)itemsCount + 1);
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_ = list[^1].Should().Be(-1);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void RemoveAtFromTheBeginningShouldSucceed(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Act & Validate
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for (var deleted = 1; deleted <= itemsCount; deleted++)
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{
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// Act
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list.RemoveAt(0);
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// Validate
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_ = list.Count.Should().Be((int)(itemsCount - deleted));
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_ = list.Should().Equal(testData.Skip(deleted));
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}
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_ = list.Should().BeEmpty();
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_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount);
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}
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[Theory]
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[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
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public void RemoveAtFromTheEndShouldSucceed(string testCase, IEnumerable<long> testData, long itemsCount)
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{
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// Prepare
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using var list = new RecyclableList<long>(testData, (int)itemsCount);
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// Act & Validate
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for (var deleted = 1; deleted <= itemsCount; deleted++)
|
|
{
|
|
// Act
|
|
list.RemoveAt(list.Count - 1);
|
|
|
|
// Validate
|
|
_ = list.Count.Should().Be((int)(itemsCount - deleted));
|
|
_ = list.Should().Equal(testData.Take((int)(itemsCount - deleted)));
|
|
}
|
|
|
|
_ = list.Should().BeEmpty();
|
|
_ = list.Capacity.Should().BeGreaterThanOrEqualTo((int)itemsCount);
|
|
}
|
|
|
|
[Theory]
|
|
[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
|
|
public void RemoveFromTheBeginningShouldRemoveTheCorrectItem(string testCase, IEnumerable<long> testData, long itemsCount)
|
|
{
|
|
// Prepare
|
|
using var list = new RecyclableList<long>(testData, (int)itemsCount);
|
|
|
|
// Act & Validate
|
|
for (var deleted = 1; deleted <= itemsCount; deleted++)
|
|
{
|
|
// Act
|
|
_ = list.Remove(deleted).Should().BeTrue();
|
|
|
|
// Validate
|
|
_ = list.Count.Should().Be((int)(itemsCount - deleted));
|
|
_ = list.Should().Equal(testData.Skip(deleted));
|
|
}
|
|
}
|
|
|
|
[Theory]
|
|
[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
|
|
public void RemoveFromTheEndShouldRemoveTheCorrectItem(string testCase, IEnumerable<long> testData, long itemsCount)
|
|
{
|
|
// Act & Validate
|
|
using var list = new RecyclableList<long>(testData, (int)itemsCount);
|
|
long deleted = 0;
|
|
foreach (var item in testData.Reverse())
|
|
{
|
|
// Act
|
|
_ = list.Remove(item).Should().BeTrue();
|
|
deleted++;
|
|
|
|
// Validate
|
|
_ = list.Count.Should().Be((int)(itemsCount - deleted));
|
|
_ = list.Should().Equal(testData.Take((int)(itemsCount - deleted)));
|
|
}
|
|
}
|
|
|
|
[Theory]
|
|
[MemberData(nameof(RecyclableLongListTestData.SourceDataVariants), MemberType = typeof(RecyclableLongListTestData))]
|
|
public void VersionedEnumerateShouldYieldAllItemsInCorrectOrder(string testCase, IEnumerable<long> testData, long itemsCount)
|
|
{
|
|
// Prepare
|
|
using var list = new RecyclableList<long>(testData, (int)itemsCount);
|
|
|
|
// Act
|
|
var yieldedItems = new List<long>((int)itemsCount);
|
|
foreach (var item in (IRecyclableVersionedList<long>)list)
|
|
{
|
|
yieldedItems.Add(item);
|
|
}
|
|
|
|
// Validate
|
|
_ = yieldedItems.Should().Equal(testData);
|
|
}
|
|
}
|
|
} |