smig/excalidraw
1
0
Fork 0
mirror of https://github.com/excalidraw/excalidraw.git synced 2025-05-03 10:00:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

chore: Unify math types, utils and functions (#8389)

Browse source 
Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
This commit is contained in:
Márk Tolmács 2024-09-03 00:23:38 +02:00 • committed by GitHub
parent e3d1dee9d0
commit f4dd23fc31
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
98 changed files with 4291 additions and 3661 deletions
Download patch file Download diff file Expand all files Collapse all files

51
packages/math/range.test.ts Normal file
View file

@ -0,0 +1,51 @@
import { rangeInclusive, rangeIntersection, rangesOverlap } from "./range";
describe("range overlap", () => {
const range1_4 = rangeInclusive(1, 4);
it("should overlap when range a contains range b", () => {
expect(rangesOverlap(range1_4, rangeInclusive(2, 3))).toBe(true);
expect(rangesOverlap(range1_4, range1_4)).toBe(true);
expect(rangesOverlap(range1_4, rangeInclusive(1, 3))).toBe(true);
expect(rangesOverlap(range1_4, rangeInclusive(2, 4))).toBe(true);
});
it("should overlap when range b contains range a", () => {
expect(rangesOverlap(rangeInclusive(2, 3), range1_4)).toBe(true);
expect(rangesOverlap(rangeInclusive(1, 3), range1_4)).toBe(true);
expect(rangesOverlap(rangeInclusive(2, 4), range1_4)).toBe(true);
});
it("should overlap when range a and b intersect", () => {
expect(rangesOverlap(range1_4, rangeInclusive(2, 5))).toBe(true);
});
});
describe("range intersection", () => {
const range1_4 = rangeInclusive(1, 4);
it("should intersect completely with itself", () => {
expect(rangeIntersection(range1_4, range1_4)).toEqual(range1_4);
});
it("should intersect irrespective of order", () => {
expect(rangeIntersection(range1_4, rangeInclusive(2, 3))).toEqual([2, 3]);
expect(rangeIntersection(rangeInclusive(2, 3), range1_4)).toEqual([2, 3]);
expect(rangeIntersection(range1_4, rangeInclusive(3, 5))).toEqual(
rangeInclusive(3, 4),
);
expect(rangeIntersection(rangeInclusive(3, 5), range1_4)).toEqual(
rangeInclusive(3, 4),
);
});
it("should intersect at the edge", () => {
expect(rangeIntersection(range1_4, rangeInclusive(4, 5))).toEqual(
rangeInclusive(4, 4),
);
});
it("should not intersect", () => {
expect(rangeIntersection(range1_4, rangeInclusive(5, 7))).toEqual(null);
});
});