public void IsClockwise_True()
{
// Arrange
var loop = FillFactory.CreateTriangleCW();
// Act
bool isClockwise = loop.IsClockwise();
// Assert
Assert.IsTrue(isClockwise);
}
public void RollNoEffectCW()
{
// Arrange
var triangle = FillFactory.CreateTriangleCW();
// Act
var result = (FillLoop <FillSegment>)triangle.RollBetweenVertices(new ElementLocation(0, 0));
// Assert
Assert.AreEqual(3, result.Elements.Count);
Assert.AreEqual(4, result.Elements[0].NodeStart.x, delta);
Assert.AreEqual(3, result.Elements[0].NodeStart.y, delta);
Assert.AreEqual(4, result.Elements[1].NodeStart.x, delta);
Assert.AreEqual(0, result.Elements[1].NodeStart.y, delta);
Assert.AreEqual(0, result.Elements[2].NodeStart.x, delta);
Assert.AreEqual(0, result.Elements[2].NodeStart.y, delta);
}
public void RollFirstSegmentWithinToleranceHighSideCW()
{
// Arrange
var triangle = FillFactory.CreateTriangleCW();
// Act
var result = (FillLoop <FillSegment>)triangle.RollBetweenVertices(new ElementLocation(1, 1 - (0.004 / 4)), 0.005);
// Assert
Assert.AreEqual(3, result.Elements.Count);
Assert.AreEqual(0, result.Elements[0].NodeStart.x, delta);
Assert.AreEqual(0, result.Elements[0].NodeStart.y, delta);
Assert.AreEqual(4, result.Elements[1].NodeStart.x, delta);
Assert.AreEqual(3, result.Elements[1].NodeStart.y, delta);
Assert.AreEqual(4, result.Elements[2].NodeStart.x, delta);
Assert.AreEqual(0, result.Elements[2].NodeStart.y, delta);
}