87 lines
2.9 KiB
C#
87 lines
2.9 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using Xunit;
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namespace System.Web.Mvc.Test
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{
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public class SelectListTest
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{
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[Fact]
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public void Constructor1SetsProperties()
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{
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// Arrange
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IEnumerable items = new object[0];
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// Act
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SelectList selectList = new SelectList(items);
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// Assert
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Assert.Same(items, selectList.Items);
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Assert.Null(selectList.DataValueField);
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Assert.Null(selectList.DataTextField);
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Assert.Null(selectList.SelectedValues);
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Assert.Null(selectList.SelectedValue);
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}
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[Fact]
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public void Constructor2SetsProperties()
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{
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// Arrange
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IEnumerable items = new object[0];
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object selectedValue = new object();
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// Act
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SelectList selectList = new SelectList(items, selectedValue);
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List<object> selectedValues = selectList.SelectedValues.Cast<object>().ToList();
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// Assert
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Assert.Same(items, selectList.Items);
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Assert.Null(selectList.DataValueField);
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Assert.Null(selectList.DataTextField);
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Assert.Same(selectedValue, selectList.SelectedValue);
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Assert.Single(selectedValues);
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Assert.Same(selectedValue, selectedValues[0]);
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}
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[Fact]
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public void Constructor3SetsProperties()
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{
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// Arrange
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IEnumerable items = new object[0];
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// Act
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SelectList selectList = new SelectList(items, "SomeValueField", "SomeTextField");
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// Assert
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Assert.Same(items, selectList.Items);
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Assert.Equal("SomeValueField", selectList.DataValueField);
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Assert.Equal("SomeTextField", selectList.DataTextField);
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Assert.Null(selectList.SelectedValues);
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Assert.Null(selectList.SelectedValue);
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}
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[Fact]
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public void Constructor4SetsProperties()
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{
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// Arrange
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IEnumerable items = new object[0];
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object selectedValue = new object();
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// Act
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SelectList selectList = new SelectList(items, "SomeValueField", "SomeTextField", selectedValue);
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List<object> selectedValues = selectList.SelectedValues.Cast<object>().ToList();
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// Assert
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Assert.Same(items, selectList.Items);
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Assert.Equal("SomeValueField", selectList.DataValueField);
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Assert.Equal("SomeTextField", selectList.DataTextField);
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Assert.Same(selectedValue, selectList.SelectedValue);
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Assert.Single(selectedValues);
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Assert.Same(selectedValue, selectedValues[0]);
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}
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}
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}
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