public void GetLoopInfo_ShouldPassOnOneResult()
{
var loopInfo = new LibsndfileLoopInfo();
var unmanagedMemoryMock = new Mock<UnmanagedMemoryHandle>();
var marshallerMock = new Mock<ILibsndfileMarshaller>();
marshallerMock.Setup(x => x.Allocate<LibsndfileLoopInfo>()).Returns(unmanagedMemoryMock.Object);
marshallerMock.Setup(x => x.MemoryHandleTo<LibsndfileLoopInfo>(unmanagedMemoryMock.Object)).Returns(loopInfo);
var mock = new Mock<ILibsndfileApi>();
mock.Setup(x => x.Command(It.IsAny<IntPtr>(), It.IsAny<LibsndfileCommand>(), It.IsAny<IntPtr>(), It.IsAny<int>())).Returns(1);
var api = new LibsndfileCommandApiNativeWrapper(mock.Object, marshallerMock.Object);
var retval = api.GetLoopInfo(new IntPtr(1));
Assert.IsTrue(retval.HasValue);
Assert.AreEqual(loopInfo, retval.Value);
}