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sample_test.ts
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sample_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals } from "@std/assert";
import { sample } from "./sample.ts";
Deno.test({
name: "sample() handles no mutation",
fn() {
const array = ["a", "abc", "ba"];
sample(array);
assertEquals(array, ["a", "abc", "ba"]);
},
});
Deno.test({
name: "sample() handles empty input",
fn() {
const actual = sample([]);
assertEquals(actual, undefined);
},
});
Deno.test({
name: "sample() handles array of numbers",
fn() {
const input = [1, 2, 3];
const actual = sample([1, 2, 3]);
assert(actual && input.includes(actual));
},
});
Deno.test({
name: "sample() handles array of objects",
fn() {
const input = [
{
name: "Anna",
age: 18,
},
{
name: "Kim",
age: 24,
},
];
const actual = sample(input);
assert(actual && input.includes(actual));
},
});