gstreamer/tests/CapsTest.cs

//
// CapsTest.cs: NUnit Test Suite for gstreamer-sharp
//
// Authors:
//   Michael Dominic K. (michaldominik@gmail.com)
//   
// (C) 2006 Novell, Inc.
//

using System;
using NUnit.Framework;

using Gst;

[TestFixture]
public class CapsTest
{
    [TestFixtureSetUp]
    public void Init()
    {
        Application.Init();
    }

    [TestFixtureTearDown]
    public void Deinit()
    {
        Application.Deinit();
    }

    [Test]
    public void TestPlainCreation()
    {
        Caps caps = new Caps();
        Assert.IsNotNull(caps);
        Assert.IsFalse(caps.Handle == IntPtr.Zero, "Ooops, null handle");

        caps.Dispose();
    }

    [Test]
    public void TestFromString()
    {
        Caps caps = Caps.FromString("video/x-raw-yuv, " + 
                                    "format=(fourcc)I420, " +
                                    "width=(int)384, " + 
                                    "height=(int)288, " + 
                                    "framerate=(fraction)25/1");
        Assert.IsNotNull(caps);

        Assert.IsFalse(caps.Handle == IntPtr.Zero, "Ooops, null handle");
        Assert.IsTrue(caps.IsFixed, "Caps should be FIXED!");
        Assert.IsFalse(caps.IsEmpty, "Caps shouldn't be EMPTY!");
        Assert.IsFalse(caps.IsAny, "Caps shouldn't be ANY!");

        caps.Dispose();
    }

    [Test]
    public void TestIntersecting()
    {
        Caps caps1 = Caps.FromString("video/x-raw-yuv, " + 
                                     "format=(fourcc)I420, " + 
                                     "width=(int)[ 1,1000 ], " + 
                                     "height=(int)[ 1, 1000 ], " + 
                                     "framerate=(fraction)[ 0/1, 100/1 ]");
        Caps caps2 = Caps.FromString("video/x-raw-yuv, " + 
                                     "format=(fourcc)I420, " + 
                                     "width=(int)640, " + 
                                     "height=(int)480");
        Assert.IsNotNull(caps1);
        Assert.IsNotNull(caps2);

        Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps1");
        Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps2");

        Caps caps3 = caps1.Intersect(caps2);

        Assert.IsFalse(caps3.IsFixed, "How come caps are FIXED?!");
        Assert.IsFalse(caps3.IsEmpty, "How come caps are EMPTY?!");

        Assert.AreEqual(caps2.ToString() + ", framerate=(fraction)[ 0/1, 100/1 ]", caps3.ToString());

        caps1.Dispose();
        caps2.Dispose();
        caps3.Dispose();
    }

    [Test]
    public void TestUnion()
    {
        Caps caps1 = Caps.FromString("video/x-raw-yuv, " + 
                                     "format=(fourcc)I420, " + 
                                     "width=(int)640"); 
        Caps caps2 = Caps.FromString("video/x-raw-yuv, " + 
                                     "format=(fourcc)I420, " + 
                                     "height=(int)480");
        Assert.IsNotNull(caps1);
        Assert.IsNotNull(caps2);

        Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps1");
        Assert.IsFalse(caps1.Handle == IntPtr.Zero, "Ooops, null handle in caps2");

        Caps caps3 = caps1.Union(caps2);

        Assert.IsFalse(caps3.IsEmpty, "How come caps are EMPTY?!");

        Assert.AreEqual("video/x-raw-yuv, " + 
                        "format=(fourcc)I420, " + 
                        "width=(int)640; " + 
                        "video/x-raw-yuv, " + 
                        "format=(fourcc)I420, " + 
                        "height=(int)480", 
                        caps3.ToString());

        caps1.Dispose();
        caps2.Dispose();
        caps3.Dispose();
    }

}