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import { assertEquals } from "https://deno.land/std@0.157.0/testing/asserts.ts";
import NumMatrix from "./index.ts";
Deno.test("range-sum-query-2d-mutable", () => {    const matrix = [        [3, 0, 1, 4, 2],        [5, 6, 3, 2, 1],        [1, 2, 0, 1, 5],        [4, 1, 0, 1, 7],        [1, 0, 3, 0, 5],    ];    const nm = new NumMatrix(matrix);    assertEquals(nm.sumRegion(2, 1, 4, 3), 8);    assertEquals(nm.sumRegion(0, 0, 4, 4), 58);    nm.update(3, 2, 2);    assertEquals(nm.sumRegion(2, 1, 4, 3), 10);    assertEquals(nm.sumRegion(0, 0, 0, 0), 3);    assertEquals(nm.sumRegion(0, 0, 1, 1), 14);    assertEquals(nm.sumRegion(0, 0, 4, 4), 60);});