public void Test_Equals()
{
var a = new Color (1, 2, 3, 4);
var b = new Color (1, 2, 3, 4);
var c = new Color (1, 2, 3, 0);
Assert.IsTrue (a.Equals (b));
Assert.IsTrue (a == b);
Assert.AreEqual (a.GetHashCode (), b.GetHashCode ());
Assert.IsFalse (a.Equals (c));
Assert.IsFalse (a == c);
Assert.AreNotEqual (a.GetHashCode (), c.GetHashCode ());
}
public void TestColorModel()
{
var c1 = new Color();
Assert.AreEqual(c1, default(Color));
Assert.IsTrue(c1 == default(Color));
Assert.IsFalse(c1 != default(Color));
Assert.IsTrue(((object)c1).Equals((object)default(Color)));
Assert.AreEqual("00000000", c1.ToString());
var c2 = new Color(255, 0, 0, 0);
Assert.AreEqual(c2.R, 255);
Assert.AreEqual(c2.G, 0);
Assert.AreEqual(c2.B, 0);
Assert.AreEqual(c2.A, 0);
Assert.AreEqual(Color.Red.ToString(), c2.ToString());
Assert.AreEqual(Color.Red.GetHashCode(), c2.GetHashCode());
}
private void WriteColor(string fieldName, Color value)
{
var bytes = BitConverter.GetBytes(value.GetHashCode());
var offset = Marshal.OffsetOf(typeof(DevDesc), fieldName).ToInt32();
Marshal.Copy(bytes, 0, IntPtr.Add(handle, offset), bytes.Length);
}
public void TestHashCode ()
{
var color1 = new Color (0.1);
var color2 = new Color (0.1);
Assert.True (color1.GetHashCode () == color2.GetHashCode ());
color2 = Color.FromHsla (color2.Hue, color2.Saturation, .5);
Assert.False (color1.GetHashCode () == color2.GetHashCode ());
}