Imported Upstream version 5.8.0.22

Former-commit-id: df344e34b07851d296efb3e6604c8db42b6f7aa3

mcs/class/corlib/Test/System.IO/DriveInfoTest.cs

@@ -0,0 +1,96 @@
+//
+// DriveInfoTest.cs - NUnit Test Cases for System.IO.DriveInfo class
+//
+// Authors
+//	Alexander Köplinger <alkpli@microsoft.com>
+// 
+// Copyright (c) 2017 Xamarin, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Runtime.Serialization.Formatters.Binary;
+
+using NUnit.Framework;
+
+namespace MonoTests.System.IO
+{
+	[TestFixture]
+	public class DriveInfoTest
+	{
+		[Test]
+		public void Constructor ()
+		{
+			if (Environment.OSVersion.Platform != PlatformID.Win32NT)
+				Assert.Ignore ("The Jenkins builders don't have '/' mounted, just testing Windows for now.");
+
+			var drive = new DriveInfo ("C:\\");
+			ValidateDriveInfo (drive);
+			Assert.AreEqual (DriveType.Fixed, drive.DriveType);
+		}
+
+		[Test]
+		public void ConstructorThrowsOnNonExistingDrive ()
+		{
+			Assert.Throws<ArgumentException> (() => new DriveInfo ("/monodriveinfotest"));
+		}
+
+		[Test]
+		public void GetDrivesNotEmpty ()
+		{
+			var drives = DriveInfo.GetDrives ();
+			CollectionAssert.IsNotEmpty (drives);
+		}
+
+		[Test]
+		public void GetDrivesValidInfo ()
+		{
+			var drives = DriveInfo.GetDrives ();
+
+			foreach (var d in drives) {
+				ValidateDriveInfo (d);
+			}
+		}
+
+		void ValidateDriveInfo (DriveInfo d)
+		{
+			AssertHelper.IsNotEmpty (d.Name);
+			AssertHelper.IsNotEmpty (d.VolumeLabel);
+			Assert.NotNull (d.RootDirectory);
+
+			if (d.DriveFormat != null) {
+				Assert.AreNotEqual ("", d.DriveFormat);
+				Assert.AreNotEqual (DriveType.Unknown, d.DriveType, "DriveFormat=" + d.DriveFormat);
+			}
+
+			if (d.DriveType == DriveType.Fixed) { // just consider fixed drives for now
+				Assert.True (d.IsReady);
+				AssertHelper.GreaterOrEqual (d.AvailableFreeSpace, 0);
+				AssertHelper.GreaterOrEqual (d.TotalFreeSpace, 0);
+				AssertHelper.GreaterOrEqual (d.TotalSize, 0);
+			}
+		}
+	}
+}