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Improved ES6 consistency #13

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Improved ES6 consistency #13

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12 changes: 6 additions & 6 deletions src/chapter3/ch3-q1.spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,14 @@ import * as classes from './ch3-q1';
for (let key in classes) {
let Stack = classes[key];

describe('ch3-q1: ' + key, function() {
describe('ch3-q1: ' + key, () => {

beforeEach(function() {
beforeEach(() => {
this.stack = new Stack();
});

it('can push and pop values from middle stack correctly', function() {
let stack = [];
it('can push and pop values from middle stack correctly', () => {
const stack = [];
for (let i = 1; i < 100; i += 4) {
let val = Math.trunc(Math.random() * 999999);
this.stack.push(2, val);
Expand All @@ -21,8 +21,8 @@ for (let key in classes) {
stack.reverse().forEach(v => expect(this.stack.pop(2)).to.equal(v));
});

it('can push, peek and pop values from all 3 stacks correctly', function() {
let stacks = [[], [], []];
it('can push, peek and pop values from all 3 stacks correctly', () => {
const stacks = [[], [], []];
for (let j = 9; j > 0; --j) {
for (let i = 1; i <= 3; ++i) {
let val = i * 10 + j;
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