|
|
/* eslint-env mocha */ /* eslint-disable max-nested-callbacks */
'use strict'
const { assert } = require('chai') const Hoopy = require('.')
test('interface is correct', () => { assert.isFunction(Hoopy) assert.lengthOf(Hoopy, 1) assert.throws(() => new Hoopy(0)) assert.doesNotThrow(() => new Hoopy(1)) assert.throws(() => new Hoopy(-1)) assert.throws(() => new Hoopy(1).push()) assert.throws(() => new Hoopy(1).pop()) assert.throws(() => new Hoopy(1).shift()) assert.throws(() => new Hoopy(1).unshift()) })
suite('instantiate, size=1:', () => { let hoopy
setup(() => { hoopy = new Hoopy(1) })
test('instance is array', () => { assert.isTrue(Array.isArray(hoopy)) })
test('length is correct', () => { assert.equal(hoopy.length, 1) })
test('[0] is undefined', () => { assert.isUndefined(hoopy[0]) })
test('[1] is undefined', () => { assert.isUndefined(hoopy[1]) })
test('[-1] is undefined', () => { assert.isUndefined(hoopy[-1]) })
test('grow method is implemented', () => { assert.isFunction(hoopy.grow) assert.lengthOf(hoopy.grow, 1) })
test('grow throws if by=0', () => { assert.throws(() => hoopy.grow(0)) })
suite('assign to [0]:', () => { setup(() => { hoopy[0] = 'foo' })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'foo') })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'foo') })
test('[-1] is set correctly', () => { assert.equal(hoopy[-1], 'foo') })
suite('assign to [1]:', () => { setup(() => { hoopy[1] = 'bar' })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'bar') })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'bar') })
test('[-1] is set correctly', () => { assert.equal(hoopy[-1], 'bar') }) })
suite('grow, by=1:', () => { setup(() => { hoopy.grow(1) })
test('length is correct', () => { assert.equal(hoopy.length, 2) })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'foo') })
test('[1] is undefined', () => { assert.isUndefined(hoopy[1]) })
test('[-1] is undefined', () => { assert.isUndefined(hoopy[-1]) }) }) }) })
suite('instantiate, size=2:', () => { let hoopy
setup(() => { hoopy = new Hoopy(2) })
test('length is correct', () => { assert.equal(hoopy.length, 2) })
suite('assign to [0]:', () => { setup(() => { hoopy[0] = 'foo' })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'foo') })
test('[1] is undefined', () => { assert.isUndefined(hoopy[1]) })
test('[2] is set correctly', () => { assert.equal(hoopy[2], 'foo') })
test('[3] is undefined', () => { assert.isUndefined(hoopy[3]) })
test('[-1] is undefined', () => { assert.isUndefined(hoopy[-1]) })
suite('assign to [1]:', () => { setup(() => { hoopy[1] = 'bar' })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'foo') })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'bar') })
test('[2] is set correctly', () => { assert.equal(hoopy[2], 'foo') })
test('[-1] is set correctly', () => { assert.equal(hoopy[-1], 'bar') })
suite('assign to [2]:', () => { setup(() => { hoopy[2] = 'baz' })
test('[0] is set correctly', () => { assert.equal(hoopy[0], 'baz') })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'bar') })
test('[2] is set correctly', () => { assert.equal(hoopy[2], 'baz') })
test('[-1] is set correctly', () => { assert.equal(hoopy[-1], 'bar') })
suite('grow, by=1:', () => { setup(() => { hoopy.grow(1) })
test('length is correct', () => { assert.equal(hoopy.length, 3) })
test('[0] is undefined', () => { assert.isUndefined(hoopy[0]) })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'bar') })
test('[2] is set correctly', () => { assert.equal(hoopy[2], 'baz') })
test('[3] is undefined', () => { assert.isUndefined(hoopy[3]) }) })
suite('grow, by=2:', () => { setup(() => { hoopy.grow(2) })
test('length is correct', () => { assert.equal(hoopy.length, 4) })
test('[0] is undefined', () => { assert.isUndefined(hoopy[0]) })
test('[1] is set correctly', () => { assert.equal(hoopy[1], 'bar') })
test('[2] is set correctly', () => { assert.equal(hoopy[2], 'baz') })
test('[3] is undefined', () => { assert.isUndefined(hoopy[3]) })
test('[4] is undefined', () => { assert.isUndefined(hoopy[4]) })
test('[5] is set correctly', () => { assert.equal(hoopy[5], 'bar') }) }) }) }) }) })
suite('instantiate and overflow, size=3:', () => { let hoopy
setup(() => { hoopy = new Hoopy(3) hoopy[2] = 'foo' hoopy[3] = 'bar' hoopy[4] = 'baz' })
test('data is correct', () => { assert.equal(hoopy.length, 3) assert.equal(hoopy[2], 'foo') assert.equal(hoopy[3], 'bar') assert.equal(hoopy[4], 'baz') assert.equal(hoopy[0], hoopy[3]) assert.equal(hoopy[1], hoopy[4]) })
test('slice works correctly', () => { assert.equal(hoopy.slice(0, 3)[2], hoopy[2]) })
suite('grow, by=1:', () => { setup(() => { hoopy.grow(1) })
test('data is correct', () => { assert.equal(hoopy.length, 4) assert.equal(hoopy[2], 'foo') assert.equal(hoopy[3], 'bar') assert.equal(hoopy[4], 'baz') assert.equal(hoopy[0], hoopy[4]) assert.isUndefined(hoopy[1]) }) })
suite('grow, by=2:', () => { setup(() => { hoopy.grow(2) })
test('data is correct', () => { assert.equal(hoopy.length, 5) assert.equal(hoopy[2], 'foo') assert.equal(hoopy[3], 'bar') assert.equal(hoopy[4], 'baz') assert.isUndefined(hoopy[0]) assert.isUndefined(hoopy[1]) }) }) })
|