import { assertEquals } from "../testing/asserts.ts";import { runningReduce } from "./running_reduce.ts";
Deno.test({ name: "[collections/runningReduce] no mutation", fn() { const numbers = [1, 2, 3, 4, 5]; runningReduce(numbers, (sum, current) => sum + current, 0);
assertEquals(numbers, [1, 2, 3, 4, 5]); },});
Deno.test({ name: "[collections/runningReduce] array of numbers", fn() { const numbers = [1, 2, 3, 4, 5]; const result = runningReduce(numbers, (sum, current) => sum + current, 0);
assertEquals(result, [1, 3, 6, 10, 15]); },});
Deno.test({ name: "[collections/runningReduce] array of strings", fn() { const strings = ["a", "b", "c", "d", "e"]; const result = runningReduce(strings, (str, current) => str + current, "");
assertEquals(result, ["a", "ab", "abc", "abcd", "abcde"]); },});
Deno.test({ name: "[collections/runningReduce] empty input", fn() { const result = runningReduce([], (sum, current) => sum + current, 0);
assertEquals(result, []); },});