removeFromArray.spec.js

const removeFromArray = require("./removeFromArray");

describe("removeFromArray", () => {
  test("removes a single value", () => {
    expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
  });
  test("removes multiple values", () => {
    expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
  });
  test("ignores non present values", () => {
    expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
  });
  test("ignores non present values, but still works", () => {
    expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
  });
  test("can remove all values", () => {
    expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
  });
  test("works with strings", () => {
    expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
  });
  test("only removes same type", () => {
    expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
  });
});