use tessor::{
	geom::{Command, Point},
	Mesh, Tessellator, Writer,
};

#[test]
fn test_polygon_with_left_and_right_vertex() {
	let mut mesh = Mesh::new();
	Tessellator::new().tessellate(
		[
			Command::MoveTo(Point::new(-2.0, -2.0)),
			Command::LineTo(Point::new(2.0, -2.0)),
			Command::LineTo(Point::new(1.0, 0.0)),
			Command::LineTo(Point::new(2.0, 2.0)),
			Command::LineTo(Point::new(-2.0, 2.0)),
			Command::LineTo(Point::new(-1.0, 0.0)),
			Command::Close,
		]
		.iter()
		.cloned(),
		&mut Writer::new(&mut mesh),
		&mut Vec::new(),
		&mut Vec::new(),
	);
	assert_eq!(
		mesh,
		Mesh {
			vertices: vec![[-2.0, -2.0], [-2.0, 2.0], [-1.0, 0.0], [1.0, 0.0], [2.0, -2.0], [2.0, 2.0]],
			indices: vec![0, 2, 3, 1, 2, 3, 0, 3, 4, 1, 3, 5]
		},
	);
}