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compare.js

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const B = require('../').Buffer

const test = require('tape')

test('buffer.compare', function (t) {

const b = new B(1).fill('a')

const c = new B(1).fill('c')

const d = new B(2).fill('aa')

t.equal(b.compare(c), -1)

t.equal(c.compare(d), 1)

t.equal(d.compare(b), 1)

t.equal(b.compare(d), -1)

// static method

t.equal(B.compare(b, c), -1)

t.equal(B.compare(c, d), 1)

t.equal(B.compare(d, b), 1)

t.equal(B.compare(b, d), -1)

t.end()

})

test('buffer.compare argument validation', function (t) {

t.throws(function () {

const b = new B(1)

B.compare(b, 'abc')

})

t.throws(function () {

const b = new B(1)

B.compare('abc', b)

})

t.throws(function () {

const b = new B(1)

b.compare('abc')

})

t.end()

})

test('buffer.equals', function (t) {

const b = new B(5).fill('abcdf')

const c = new B(5).fill('abcdf')

const d = new B(5).fill('abcde')

const e = new B(6).fill('abcdef')

t.ok(b.equals(c))

t.ok(!c.equals(d))

t.ok(!d.equals(e))

t.end()

})

test('buffer.equals argument validation', function (t) {

t.throws(function () {

const b = new B(1)

b.equals('abc')

})

t.end()

})