deno.land / std@0.224.0 / collections / min_of_test.ts

min_of_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { minOf } from "./min_of.ts";import { assertEquals } from "../assert/mod.ts";
Deno.test("minOf() handles regular min", () => { const array = [5, 18, 35, 120];
const actual = minOf(array, (i) => i); assertEquals(actual, 5);});
Deno.test("minOf() handles mixed negatives and positives numbers", () => { const array = [-32, -18, 140, 36];
const actual = minOf(array, (i) => i); assertEquals(actual, -32);});
Deno.test("minOf() handles negatives numbers", () => { const array = [-32, -18, -140, -36];
const actual = minOf(array, (i) => i); assertEquals(actual, -140);});
Deno.test("minOf() handles BigInt regular min", () => { const array = [BigInt(5), BigInt(18), BigInt(35), BigInt(120)];
const actual = minOf(array, (i) => i); assertEquals(actual, BigInt(5));});
Deno.test("minOf() handles BigInt negatives numbers", () => { const array = [BigInt(-32), BigInt(-18), BigInt(-140), BigInt(-36)];
const actual = minOf(array, (i) => i); assertEquals(actual, BigInt(-140));});
Deno.test("minOf() handles object properties", () => { const object = [ { name: "mustard", count: 2 }, { name: "soy", count: 4 }, { name: "tomato", count: 32 }, ];
const actual = minOf(object, (i) => i.count); assertEquals(actual, 2);});
Deno.test("minOf() handles mixed object properties", () => { const object = [ { name: "mustard", count: -2 }, { name: "soy", count: 4 }, { name: "tomato", count: -32 }, ];
const actual = minOf(object, (i) => i.count); assertEquals(actual, -32);});
Deno.test("minOf() handles no mutation", () => { const array = [1, 2, 3, 4];
minOf(array, (i) => i + 2);
assertEquals(array, [1, 2, 3, 4]);});
Deno.test("minOf() handles empty array results in undefined", () => { const array: number[] = [];
const actual = minOf(array, (i) => i); assertEquals(actual, undefined);});
Deno.test("minOf() handles NaN and Infinity", () => { const array = [ 1, 2, Number.POSITIVE_INFINITY, 3, 4, Number.NEGATIVE_INFINITY, 5, 6, Number.NaN, 7, 8, ];
const actual = minOf(array, (i) => i); assertEquals(actual, NaN);});
Deno.test("minOf() handles minus infinity", () => { const array = [1, 2, -Infinity, 3, 4, 5, 6, 7, 8];
const actual = minOf(array, (i) => i);
assertEquals(actual, -Infinity);});
std

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Tagged at
6 months ago