detectSoundlevel-spike/sourceCode/trunk/Code/CoreAudioTests/DeviceTopologyApi/IKsJackDescriptionTest.cs

// -----------------------------------------
// SoundScribe (TM) and related software.
// 
// Copyright (C) 2007-2011 Vannatech
// http://www.vannatech.com
// All rights reserved.
// 
// This source code is subject to the MIT License.
// http://www.opensource.org/licenses/mit-license.php
//
// 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 CoreAudioTests.Common;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Vannatech.CoreAudio.Interfaces;
using Vannatech.CoreAudio.Constants;
using Vannatech.CoreAudio.Structures;

namespace CoreAudioTests.DeviceTopologyApi
{
	/// <summary>
	/// Tests all methods of the IKsJackDescription interface.
	/// </summary>
	[TestClass]
	public class IKsJackDescriptionTest : TestClass<IKsJackDescription>
	{
		/// <summary>
		/// Tests that the jack count may be received, for each applicable part in the system.
		/// </summary>
		[TestMethod]
		public void IKsJackDescription_GetJackCount()
		{
			ExecutePartActivationTest(activation =>
			{
				var count = UInt32.MaxValue;
				var result = activation.GetJackCount(out count);

				AssertCoreAudio.IsHResultOk(result);
				Assert.AreNotEqual(UInt32.MaxValue, count, "The count was not received.");
			});
		}

		/// <summary>
		/// Tests that the jack description may be received, for each applicable part in the system.
		/// </summary>
		[TestMethod]
		public void IKsJackDescription_GetJackDescription()
		{
			var tested = false;

			ExecutePartActivationTest(activation =>
			{
				UInt32 count;
				activation.GetJackCount(out count);

				for (uint i = 0; i < count; i++)
				{
					KSJACK_DESCRIPTION description = new KSJACK_DESCRIPTION();
					description.ChannelMapping = Int32.MinValue;
					description.ConnectionType = Int32.MinValue;
					description.GenLocation = Int32.MinValue;
					description.GeoLocation = Int32.MinValue;

					var result = activation.GetJackDescription(i, out description);

					AssertCoreAudio.IsHResultOk(result);
					Assert.AreNotEqual(Int32.MinValue, description.ChannelMapping, "Part of the structure was not received.");
					Assert.AreNotEqual(Int32.MinValue, description.ConnectionType, "Part of the structure was not received.");
					Assert.AreNotEqual(Int32.MinValue, description.GenLocation, "Part of the structure was not received.");
					Assert.AreNotEqual(Int32.MinValue, description.GeoLocation, "Part of the structure was not received.");
					tested = true;
				}
			});

			if (!tested) Assert.Inconclusive("The test cannot be run properly. No jacks were found.");
		}
	}
}