1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
import { pointFrom } from "./point";
import { lineSegment, lineSegmentIntersectionPoints } from "./segment";
describe("line-segment intersections", () => {
it("should correctly detect intersection", () => {
expect(
lineSegmentIntersectionPoints(
lineSegment(pointFrom(0, 0), pointFrom(5, 0)),
lineSegment(pointFrom(2, -2), pointFrom(3, 2)),
),
).toEqual(pointFrom(2.5, 0));
});
it("should correctly detect non-intersection", () => {
expect(
lineSegmentIntersectionPoints(
lineSegment(pointFrom(0, 0), pointFrom(5, 0)),
lineSegment(pointFrom(3, 1), pointFrom(4, 4)),
),
).toEqual(null);
});
});
|
