detectSoundlevel-spike/sourceCode/trunk/Code/CoreAudioTests/Wasapi/IAudioClockTest.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;

namespace CoreAudioTests.Wasapi
{
	/// <summary>
	/// Tests all methods of the IAudioClock interface.
	/// </summary>
	[TestClass]
	public class IAudioClockTest : TestClass<IAudioClock>
	{
		/// <summary>
        /// Tests nothing, the GetCharacteristics method is reserved for future use.
		/// </summary>
		[TestMethod]
        public void IAudioClock_GetCharacteristics()
		{
			// Testing is not applicable. This method is reserved for future use.
		}

		/// <summary>
        /// Tests that the frequency may be received, for each available audio client.
		/// </summary>
		[TestMethod]
        public void IAudioClock_GetFrequency()
		{
			ExecuteRunningServiceTest(runningService =>
			{
				UInt64 frequency = UInt64.MaxValue;
				var result = runningService.GetFrequency(out frequency);

				AssertCoreAudio.IsHResultOk(result);
				Assert.AreNotEqual(UInt64.MaxValue, frequency, "The frequency was not received.");
			});
		}

		/// <summary>
		/// Tests that the position may be received, for each available audio client.
		/// </summary>
		[TestMethod]
		public void IAudioClock_GetPosition()
		{
			ExecuteRunningServiceTest(runningService =>
			{
				UInt64 devicePos = UInt64.MaxValue;
				UInt64 counterPos = UInt64.MaxValue;
				var result = runningService.GetPosition(out devicePos, out counterPos);

				AssertCoreAudio.IsHResultOk(result);
				Assert.AreNotEqual(UInt64.MaxValue, devicePos, "The device position was not received.");
				Assert.AreNotEqual(UInt64.MaxValue, counterPos, "The counter position was not received.");
			});
		}
	}
}