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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";import { zip } from "./zip.ts";
function zip1Test<T>(  input: [Array<T>],  expected: Array<[T]>,  message?: string,) {  const actual = zip(...input);  assertEquals(actual, expected, message);}
assertEquals(zip([]), []);
Deno.test({  name: "zip() handles one array",  fn() {    zip1Test([      [1, 2, 3],    ], [[1], [2], [3]]);  },});
function zipTest<T, U>(  input: [ReadonlyArray<T>, ReadonlyArray<U>],  expected: Array<[T, U]>,  message?: string,) {  const actual = zip(...input);  assertEquals(actual, expected, message);}
function zip3Test<T, U, V>(  input: [Array<T>, Array<U>, Array<V>],  expected: Array<[T, U, V]>,  message?: string,) {  const actual = zip(...input);  assertEquals(actual, expected, message);}
Deno.test({  name: "zip() handles three arrays",  fn() {    zip3Test([      [1, 2, 3],      [4, 5, 6],      [7, 8, 9],    ], [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);  },});
Deno.test({  name: "zip() handles three arrays when the first is the shortest",  fn() {    zip3Test([      [1, 2],      [4, 5, 6],      [7, 8, 9],    ], [[1, 4, 7], [2, 5, 8]]);  },});
Deno.test({  name: "zip() handles no mutation",  fn() {    const arrayA = [1, 4, 5];    const arrayB = ["foo", "bar"];    zip(arrayA, arrayB);
    assertEquals(arrayA, [1, 4, 5]);    assertEquals(arrayB, ["foo", "bar"]);  },});
Deno.test({  name: "zip() handles empty input",  fn() {    zipTest(      [[], []],      [],    );    zipTest(      [[1, 2, 3], []],      [],    );    zipTest(      [[], [{}, []]],      [],    );    assertEquals(zip(), []);  },});
Deno.test({  name: "zip() handles same length",  fn() {    zipTest(      [        [1, 4, 5],        ["foo", "bar", "lorem"],      ],      [        [1, "foo"],        [4, "bar"],        [5, "lorem"],      ],    );    zipTest(      [        [2.2, false],        ["test", true],      ],      [        [2.2, "test"],        [false, true],      ],    );  },});
Deno.test({  name: "zip() handles first shorter",  fn() {    zipTest(      [        [1],        ["foo", "bar", "lorem"],      ],      [[1, "foo"]],    );    zipTest(      [        [2.2, false],        ["test", true, {}],      ],      [        [2.2, "test"],        [false, true],      ],    );  },});
Deno.test({  name: "zip() handles second shorter",  fn() {    zipTest(      [        [1, 4, 5],        ["foo"],      ],      [[1, "foo"]],    );    zipTest(      [        [2.2, false, "test"],        ["test", true],      ],      [        [2.2, "test"],        [false, true],      ],    );  },});