Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/rx/Rx/NET/Source/Tests.System.Reactive/Utils.cs

@@ -0,0 +1,32 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+using System.Linq;
+using System.Reactive.Subjects;
+using System.Runtime.Versioning;
+
+namespace ReactiveTests
+{
+    static class Utils
+    {
+        public static bool IsRunningWithPortableLibraryBinaries()
+        {
+#if DESKTOPCLR20
+            return false;
+#else
+
+            var a = typeof(ISubject<int>).Assembly.GetCustomAttributes(typeof(TargetFrameworkAttribute), false).Cast<TargetFrameworkAttribute>().SingleOrDefault();
+            return a != null && a.FrameworkDisplayName == ".NET Portable Subset";
+#endif
+        }
+
+        public static string GetTestBaseDirectory()
+        {
+#if MONODROID || MONOTOUCH
+            // There is no accessible file system inside android application.
+            return System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData);
+#else
+            return System.AppDomain.CurrentDomain.BaseDirectory;
+#endif
+        }
+    }
+}