114 lines
3.2 KiB
C#
114 lines
3.2 KiB
C#
using ObservableCollections.Internal;
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namespace ObservableCollections.Tests;
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public class AlternateIndexListTest
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{
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[Fact]
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public void Insert()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(1, "bar");
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list.Insert(2, "baz");
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list.GetIndexedValues().Should().Equal((0, "foo"), (1, "bar"), (2, "baz"));
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list.Insert(1, "new-bar");
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list.GetIndexedValues().Should().Equal((0, "foo"), (1, "new-bar"), (2, "bar"), (3, "baz"));
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list.Insert(6, "zoo");
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list.GetIndexedValues().Should().Equal((0, "foo"), (1, "new-bar"), (2, "bar"), (3, "baz"), (6, "zoo"));
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}
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[Fact]
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public void InsertRange()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(1, "bar");
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list.Insert(2, "baz");
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list.InsertRange(1, new[] { "new-foo", "new-bar", "new-baz" });
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list.GetIndexedValues().Should().Equal((0, "foo"), (1, "new-foo"), (2, "new-bar"), (3, "new-baz"), (4, "bar"), (5, "baz"));
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}
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[Fact]
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public void InsertSparsed()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(2, "foo");
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list.Insert(8, "baz"); // baz
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list.Insert(4, "bar");
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list.GetIndexedValues().Should().Equal((2, "foo"), (4, "bar"), (9, "baz"));
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list.InsertRange(3, new[] { "new-foo", "new-bar", "new-baz" });
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list.GetIndexedValues().Should().Equal((2, "foo"), (3, "new-foo"), (4, "new-bar"), (5, "new-baz"), (7, "bar"), (12, "baz"));
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list.InsertRange(1, new[] { "zoo" });
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list.GetIndexedValues().Should().Equal((1, "zoo"), (3, "foo"), (4, "new-foo"), (5, "new-bar"), (6, "new-baz"), (8, "bar"), (13, "baz"));
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}
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[Fact]
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public void Remove()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(1, "bar");
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list.Insert(2, "baz");
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list.Remove("bar");
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list.GetIndexedValues().Should().Equal((0, "foo"), (1, "baz"));
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list.RemoveAt(0);
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list.GetIndexedValues().Should().Equal((0, "baz"));
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}
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[Fact]
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public void RemoveRange()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(1, "bar");
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list.Insert(2, "baz");
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list.RemoveRange(1, 2);
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list.GetIndexedValues().Should().Equal((0, "foo"));
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}
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[Fact]
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public void TryGetSet()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(2, "bar");
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list.Insert(4, "baz");
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list.TryGetAtAlternateIndex(2, out var bar).Should().BeTrue();
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bar.Should().Be("bar");
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list.TrySetAtAlternateIndex(4, "new-baz", out var i).Should().BeTrue();
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list.TryGetAtAlternateIndex(4, out var baz).Should().BeTrue();
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baz.Should().Be("new-baz");
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}
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[Fact]
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public void TryReplaceByValue()
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{
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var list = new AlternateIndexList<string>();
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list.Insert(0, "foo");
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list.Insert(2, "bar");
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list.Insert(4, "baz");
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list.TryReplaceByValue("bar", "new-bar", out var i);
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list.GetIndexedValues().Should().Equal((0, "foo"), (2, "new-bar"), (4, "baz"));
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}
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}
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