// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information. using Microsoft.Internal.Web.Utils; using Xunit; using Assert = Microsoft.TestCommon.AssertEx; namespace System.Web.WebPages.Test { public class MimeMappingTest { [Fact] public void MimeMappingThrowsForNullFileName() { // Arrange string fileName = null; // Act and Assert Assert.ThrowsArgumentNull(() => MimeMapping.GetMimeMapping(fileName), "fileName"); } [Fact] public void MimeMappingReturnsGenericTypeForUnknownExtensions() { // Arrange string fileName = "file.does-not-exist"; // Act string mimeType = MimeMapping.GetMimeMapping(fileName); // Assert Assert.Equal("application/octet-stream", mimeType); } [Fact] public void MimeMappingReturnsGenericTypeForNoExtensions() { // Arrange string fileName = "file"; // Act string mimeType = MimeMapping.GetMimeMapping(fileName); // Assert Assert.Equal("application/octet-stream", mimeType); } [Fact] public void MimeMappingPerformsCaseInsensitiveSearches() { // Arrange string fileName1 = "file.doc"; string fileName2 = "file.dOC"; // Act string mimeType1 = MimeMapping.GetMimeMapping(fileName1); string mimeType2 = MimeMapping.GetMimeMapping(fileName2); // Assert Assert.Equal("application/msword", mimeType1); Assert.Equal("application/msword", mimeType2); } } }