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test: 更新单元测试
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‎test/UnitTest/Components/MultiSelectTest.cs‎

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// See the LICENSE file in the project root for more information.
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// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
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using Microsoft.AspNetCore.Components.Web.Virtualization;
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using System.Reflection;
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namespace UnitTest.Components;
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public class MultiSelectTest : BootstrapBlazorTestBase
@@ -661,4 +664,207 @@ public void IsMarkupString_Ok()
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});
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Assert.Contains("<div>Test1</div>", cut.Markup);
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}
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[Fact]
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public void IsVirtualize_Items()
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{
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.Items, new SelectedItem[]
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{
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new("1", "Test1"),
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new("2", "Test2")
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});
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pb.Add(a => a.Value, "2");
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pb.Add(a => a.IsVirtualize, true);
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pb.Add(a => a.RowHeight, 33f);
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pb.Add(a => a.OverscanCount, 4);
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});
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cut.SetParametersAndRender(pb => pb.Add(a => a.ShowSearch, true));
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cut.InvokeAsync(async () =>
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{
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// 搜索 T
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cut.Find(".search-text").Input("T");
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await cut.Instance.ConfirmSelectedItem(0);
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});
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}
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[Fact]
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public async Task IsVirtualize_Items_Clearable_Ok()
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{
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.Items, new SelectedItem[]
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{
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new("1", "Test1"),
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new("2", "Test2")
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});
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pb.Add(a => a.Value, "2");
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pb.Add(a => a.IsVirtualize, true);
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pb.Add(a => a.RowHeight, 33f);
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pb.Add(a => a.OverscanCount, 4);
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pb.Add(a => a.IsClearable, true);
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pb.Add(a => a.ShowSearch, true);
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});
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// 覆盖有搜索条件时，点击清空按钮
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// 期望 UI 显示值为默认值
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// 期望 下拉框为全数据
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var input = cut.Find(".search-text");
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await cut.InvokeAsync(() => cut.Instance.TriggerOnSearch("2"));
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// 下拉框仅显示一个选项 Test2
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var items = cut.FindAll(".dropdown-item");
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Assert.Single(items);
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// 点击 Clear 按钮
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var button = cut.Find(".clear-icon");
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await cut.InvokeAsync(() => button.Click());
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// 下拉框显示所有选项
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items = cut.FindAll(".dropdown-item");
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Assert.Equal(2, items.Count);
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}
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[Fact]
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public async Task IsVirtualize_OnQueryAsync_Clearable_Ok()
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{
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var query = false;
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var startIndex = 0;
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var requestCount = 0;
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var searchText = string.Empty;
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.OnQueryAsync, option =>
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{
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query = true;
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startIndex = option.StartIndex;
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requestCount = option.Count;
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searchText = option.SearchText;
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return Task.FromResult(new QueryData<SelectedItem>()
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{
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Items = string.IsNullOrEmpty(searchText)
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? [new("", "All"), new("1", "Test1"), new("2", "Test2")]
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: [new("2", "Test2")],
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TotalCount = string.IsNullOrEmpty(searchText) ? 2 : 1
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});
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});
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pb.Add(a => a.Value, "");
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pb.Add(a => a.IsVirtualize, true);
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pb.Add(a => a.IsClearable, true);
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pb.Add(a => a.ShowSearch, true);
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});
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// 覆盖有搜索条件时，点击清空按钮
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// 期望 UI 显示值为默认值
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// 期望 下拉框为全数据
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var input = cut.Find(".search-text");
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await cut.InvokeAsync(() => cut.Instance.TriggerOnSearch("2"));
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// 下拉框仅显示一个选项 Test2
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var items = cut.FindAll(".dropdown-item");
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Assert.Single(items);
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query = false;
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// 点击 Clear 按钮
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var button = cut.Find(".clear-icon");
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await cut.InvokeAsync(() => button.Click());
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// 下拉框显示所有选项
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Assert.True(query);
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}
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[Fact]
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public async Task IsVirtualize_BindValue()
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{
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var value = "3";
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.Value, value);
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pb.Add(a => a.IsVirtualize, true);
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pb.Add(a => a.ValueChanged, EventCallback.Factory.Create(this, new Action<string?>(item =>
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{
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value = item;
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})));
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pb.Add(a => a.OnQueryAsync, option =>
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{
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return Task.FromResult(new QueryData<SelectedItem>()
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{
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Items = new SelectedItem[]
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{
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new("1", "Test1"),
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new("2", "Test2")
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},
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TotalCount = 2
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});
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});
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});
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// 3 不在集合内，但是由于是虚拟集合，只能显示
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var select = cut.Instance;
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Assert.Equal("3", select.Value);
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var item = cut.Find(".dropdown-item");
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await cut.InvokeAsync(() =>
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{
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item.Click();
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});
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Assert.Equal("3,1", value);
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}
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[Fact]
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public void IsVirtualize_DefaultVirtualizeItemText()
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{
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string? value = "3";
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.IsVirtualize, true);
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pb.Add(a => a.DefaultVirtualizeItemText, "Test 3");
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pb.Add(a => a.Value, value);
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pb.Add(a => a.ValueChanged, EventCallback.Factory.Create(this, new Action<string?>(item =>
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{
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value = item;
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})));
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pb.Add(a => a.OnQueryAsync, option =>
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{
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return Task.FromResult(new QueryData<SelectedItem>()
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{
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Items = new SelectedItem[]
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{
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new("1", "Test1"),
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new("2", "Test2")
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},
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TotalCount = 2
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});
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});
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});
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cut.InvokeAsync(() =>
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{
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var input = cut.Find(".form-select");
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Assert.Equal("Test 3", input.GetAttribute("value"));
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});
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}
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[Fact]
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public void LoadItems_Ok()
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{
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var cut = Context.RenderComponent<MultiSelect<string>>(pb =>
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{
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pb.Add(a => a.OnQueryAsync, option =>
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{
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return Task.FromResult(new QueryData<SelectedItem>());
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});
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pb.Add(a => a.Value, "2");
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pb.Add(a => a.IsVirtualize, true);
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});
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var select = cut.Instance;
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var mi = select.GetType().GetMethod("LoadItems", BindingFlags.NonPublic | BindingFlags.Instance);
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mi?.Invoke(select, [new ItemsProviderRequest(0, 1, CancellationToken.None)]);
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var totalCountProperty = select.GetType().GetProperty("TotalCount", BindingFlags.NonPublic | BindingFlags.Instance);
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totalCountProperty?.SetValue(select, 2);
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mi?.Invoke(select, [new ItemsProviderRequest(0, 1, CancellationToken.None)]);
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}
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}

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