Added tests

- #164

Author: DamianEdwards

test/Microsoft.AspNet.Localization.Tests/RequestLocalizationOptionsTest.cs

@@ -0,0 +1,107 @@
+// Copyright (c) .NET Foundation. All rights reserved. 
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Globalization;
+using System.Threading;
+using Xunit;
+
+namespace Microsoft.AspNet.Localization.Tests
+{
+    public class RequestLocalizationOptionsTest : IDisposable
+    {
+        private readonly CultureInfo _initialCulture;
+        private readonly CultureInfo _initialUICulture;
+
+        public RequestLocalizationOptionsTest()
+        {
+            _initialCulture = CultureInfo.CurrentCulture;
+            _initialUICulture = CultureInfo.CurrentUICulture;
+        }
+
+        [Fact]
+        public void DefaultRequestCulture_DefaultsToCurrentCulture()
+        {
+            // Arrange/Act
+            var options = new RequestLocalizationOptions();
+
+            // Assert
+            Assert.NotNull(options.DefaultRequestCulture);
+            Assert.Equal(CultureInfo.CurrentCulture, options.DefaultRequestCulture.Culture);
+            Assert.Equal(CultureInfo.CurrentUICulture, options.DefaultRequestCulture.UICulture);
+        }
+
+        [Fact]
+        public void DefaultRequestCulture_DefaultsToCurrentCultureWhenExplicitlySet()
+        {
+            // Arrange
+            var explicitCulture = new CultureInfo("fr-FR");
+#if DNX451
+            Thread.CurrentThread.CurrentCulture = explicitCulture;
+            Thread.CurrentThread.CurrentUICulture = explicitCulture;
+#else
+            CultureInfo.CurrentCulture = explicitCulture;
+            CultureInfo.CurrentUICulture = explicitCulture;
+#endif
+            // Act
+            var options = new RequestLocalizationOptions();
+
+            // Assert
+            Assert.Equal(explicitCulture, options.DefaultRequestCulture.Culture);
+            Assert.Equal(explicitCulture, options.DefaultRequestCulture.UICulture);
+        }
+
+        [Fact]
+        public void DefaultRequestCulture_ThrowsWhenTryingToSetToNull()
+        {
+            // Arrange
+            var options = new RequestLocalizationOptions();
+
+            // Act/Assert
+            Assert.Throws(typeof(ArgumentNullException), () => options.DefaultRequestCulture = null);
+        }
+
+        [Fact]
+        public void SupportedCultures_DefaultsToCurrentCulture()
+        {
+            // Arrange/Act
+            var options = new RequestLocalizationOptions();
+
+            // Assert
+            Assert.Collection(options.SupportedCultures, item => Assert.Equal(CultureInfo.CurrentCulture, item));
+            Assert.Collection(options.SupportedUICultures, item => Assert.Equal(CultureInfo.CurrentUICulture, item));
+        }
+
+        [Fact]
+        public void SupportedCultures_DefaultsToCurrentCultureWhenExplicitlySet()
+        {
+            // Arrange
+            var explicitCulture = new CultureInfo("fr-FR");
+#if DNX451
+            Thread.CurrentThread.CurrentCulture = explicitCulture;
+            Thread.CurrentThread.CurrentUICulture = explicitCulture;
+#else
+            CultureInfo.CurrentCulture = explicitCulture;
+            CultureInfo.CurrentUICulture = explicitCulture;
+#endif
+
+            // Act
+            var options = new RequestLocalizationOptions();
+
+            // Assert
+            Assert.Collection(options.SupportedCultures, item => Assert.Equal(explicitCulture, item));
+            Assert.Collection(options.SupportedUICultures, item => Assert.Equal(explicitCulture, item));
+        }
+
+        public void Dispose()
+        {
+#if DNX451
+            Thread.CurrentThread.CurrentCulture = _initialCulture;
+            Thread.CurrentThread.CurrentUICulture = _initialUICulture;
+#else
+            CultureInfo.CurrentCulture = _initialCulture;
+            CultureInfo.CurrentUICulture = _initialUICulture;
+#endif
+        }
+    }
+}