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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { dropLastWhile } from "./drop_last_while.ts";import { assertEquals } from "../assert/mod.ts";
Deno.test("dropLastWhile() handles num array", () => {  const values = [20, 33, 44];
  const actual = dropLastWhile(values, (i) => i > 30);
  assertEquals(actual, [20]);});
Deno.test("dropLastWhile() handles no mutation", () => {  const array = [1, 2, 3, 4, 5, 6];
  const actual = dropLastWhile(array, (i) => i > 4);
  assertEquals(actual, [1, 2, 3, 4]);  assertEquals(array, [1, 2, 3, 4, 5, 6]);});
Deno.test("dropLastWhile() handles negatives", () => {  const array = [-1, -2, -3, -4, -5, -6];
  const actual = dropLastWhile(array, (i) => i < -4);
  assertEquals(actual, [-1, -2, -3, -4]);});
Deno.test("dropLastWhile() handles empty input returns empty array", () => {  const array: number[] = [];
  const actual = dropLastWhile(array, (i) => i > 4);
  assertEquals(actual, []);});
Deno.test("dropLastWhile() returns same array when the last element doesn't get dropped", () => {  const array = [40, 30, 20];
  const actual = dropLastWhile(array, (i) => i > 40);
  assertEquals(actual, [40, 30, 20]);});
Deno.test("dropLastWhile() returns empty array when all elements get dropped", () => {  const array = [20, 30, 20];
  const actual = dropLastWhile(array, (i) => i < 40);
  assertEquals(actual, []);});