public void PerceptibleReciprocal_NegativeNan_ReturnsPositiveInfinity()
{
var script = new UnperspectiveScript();
Type type = script.GetType();
MethodInfo method = type.GetMethod("PerceptibleReciprocal", BindingFlags.Static | BindingFlags.NonPublic);
var result = method.Invoke(null, new object[] { -double.NaN });
Assert.AreEqual(result, double.PositiveInfinity);
}
private static void GetRotation_Geometry10x10_ReturnsCorrectRotation(int x, int y, UnperspectiveRotation expectedRotation)
{
var script = new UnperspectiveScript();
Type type = script.GetType();
MethodInfo method = type.GetMethod("GetRotation", BindingFlags.Instance | BindingFlags.NonPublic);
using (MagickImage image = new MagickImage(MagickColors.Fuchsia, 10, 10))
{
var result = method.Invoke(script, new object[] { new PointD[] { new PointD(x, y) }, image });
Assert.AreEqual(expectedRotation, result);
}
}
private static void GetCoefficients_UnsolvableMatrix_ThrowsException(double[] arguments)
{
var script = new UnperspectiveScript();
Type type = script.GetType();
MethodInfo method = type.GetMethod("GetCoefficients", BindingFlags.Static | BindingFlags.NonPublic, null, new Type[] { typeof(double[]) }, null);
ExceptionAssert.Throws <InvalidOperationException>("Unsolvable matrix detected.", () =>
{
try
{
method.Invoke(null, new object[] { arguments });
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
});
}
private static MagickGeometry GetDimensions(UnperspectiveDefault value)
{
var script = new UnperspectiveScript();
script.AspectRatio = 1.5;
script.Default = value;
Type type = script.GetType();
MethodInfo method = type.GetMethod("GetDimensions", BindingFlags.Instance | BindingFlags.NonPublic);
PointD[] corners = new PointD[4]
{
new PointD(0, 0),
new PointD(300, 600),
new PointD(10, 10),
new PointD(290, 490)
};
MagickGeometry inputDimensions = new MagickGeometry(1000, 1000);
MagickGeometry trimmedDimensions = new MagickGeometry(800, 800);
return((MagickGeometry)method.Invoke(script, new object[] { null, corners, inputDimensions, trimmedDimensions }));
}