66 lines
2.4 KiB
C#
66 lines
2.4 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc.
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// All Rights Reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
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// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
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// NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing
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// permissions and limitations under the License.
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using System;
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using Microsoft.AspNet.Mvc.ModelBinding;
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using Xunit;
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namespace Microsoft.AspNet.Mvc.Rendering
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{
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public class ViewDataOfTTest
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{
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[Fact]
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public void SettingModelThrowsIfTheModelIsNull()
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{
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// Arrange
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var viewDataOfT = new ViewDataDictionary<int>(new DataAnnotationsModelMetadataProvider());
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ViewDataDictionary viewData = viewDataOfT;
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// Act and Assert
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Exception ex = Assert.Throws<InvalidOperationException>(() => viewData.Model = null);
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Assert.Equal("The model item passed is null, but this ViewDataDictionary instance requires a non-null model item of type 'System.Int32'.", ex.Message);
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}
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[Fact]
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public void SettingModelThrowsIfTheModelIsIncompatible()
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{
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// Arrange
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var viewDataOfT = new ViewDataDictionary<string>(new DataAnnotationsModelMetadataProvider());
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ViewDataDictionary viewData = viewDataOfT;
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// Act and Assert
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Exception ex = Assert.Throws<InvalidOperationException>(() => viewData.Model = DateTime.UtcNow);
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Assert.Equal("The model item passed into the ViewDataDictionary is of type 'System.DateTime', but this ViewDataDictionary instance requires a model item of type 'System.String'.", ex.Message);
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}
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[Fact]
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public void SettingModelWorksForCompatibleTypes()
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{
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// Arrange
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string value = "some value";
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var viewDataOfT = new ViewDataDictionary<object>(new DataAnnotationsModelMetadataProvider());
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ViewDataDictionary viewData = viewDataOfT;
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// Act
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viewData.Model = value;
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// Assert
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Assert.Same(value, viewDataOfT.Model);
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}
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}
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}
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