const expect = require("expect");
const allEqual = require("./allEqual.js");

test("allEqual is a Function", () => {
  expect(allEqual).toBeInstanceOf(Function);
});

test("Truthy numbers", () => {
  expect(allEqual([4, 4, 4])).toBeTruthy();
});

test("Falsy numbers", () => {
  expect(allEqual([4, 3.999, 4])).toBeFalsy();
});

test("Truthy strings", () => {
  expect(allEqual(["lorem", "lorem", "lorem"])).toBeTruthy();
});

test("Falsy numbers", () => {
  expect(allEqual(["lorem", "ipsum", "dolore"])).toBeFalsy();
});

test("Truthy trues", () => {
  expect(allEqual([true, true, true])).toBeTruthy();
});

test("Truthy falses", () => {
  expect(allEqual([false, false, false])).toBeTruthy();
});

test("Falsy trues", () => {
  expect(allEqual([true, true, false])).toBeFalsy();
});

test("Falsy falses", () => {
  expect(allEqual([false, false, true])).toBeFalsy();
});