47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
using FluentAssertions;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Collections.Specialized;
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using System.Linq;
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using Xunit;
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namespace ObservableCollections.Tests
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{
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public class ObservableDictionaryTest
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{
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[Fact]
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public void View()
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{
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var dict = new ObservableDictionary<int, int>();
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var view = dict.CreateView(x => new ViewContainer<int>(x.Value));
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dict.Add(10, -10); // 0
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dict.Add(50, -50); // 1
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dict.Add(30, -30); // 2
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dict.Add(20, -20); // 3
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dict.Add(40, -40); // 4
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void Equal(params int[] expected)
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{
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dict.Select(x => x.Value).OrderByDescending(x => x).Should().Equal(expected);
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}
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Equal(-10, -20, -30, -40, -50);
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dict[99] = -100;
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Equal(-10, -20, -30, -40, -50, -100);
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dict[10] = -5;
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Equal(-5, -20, -30, -40, -50, -100);
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dict.Remove(20);
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Equal(-5, -30, -40, -50, -100);
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dict.Clear();
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Equal(new int[0]);
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}
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}
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}
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