🚀 draw world

packages/compute/__tests__/grid.spec.ts

@@ -0,0 +1,26 @@
+import { generateEmptyGrid } from "../generateGrid";
+import { setColor, getColor, isInside } from "../grid";
+
+it("should set / get cell", () => {
+  const grid = generateEmptyGrid(2, 3);
+
+  expect(getColor(grid, 0, 1)).toBe(null);
+
+  setColor(grid, 0, 1, 1);
+
+  expect(getColor(grid, 0, 1)).toBe(1);
+});
+
+test.each([
+  [0, 1, true],
+  [1, 2, true],
+
+  [-1, 1, false],
+  [0, -1, false],
+  [2, 1, false],
+  [0, 3, false],
+])("isInside", (x, y, output) => {
+  const grid = generateEmptyGrid(2, 3);
+
+  expect(isInside(grid, x, y)).toBe(output);
+});