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'use strict';
var Buffer = require('../../').Buffer;
var assert = require('assert');
var a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
var b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
assert.equal(-1, a.compare(b));
// Equivalent to a.compare(b).
assert.equal(-1, a.compare(b, 0));
assert.equal(-1, a.compare(b, '0'));
// Equivalent to a.compare(b).
assert.equal(-1, a.compare(b, 0, undefined, 0));
// Zero-length targer, return 1
assert.equal(1, a.compare(b, 0, 0, 0));
assert.equal(1, a.compare(b, '0', '0', '0'));
// Equivalent to Buffer.compare(a, b.slice(6, 10))
assert.equal(1, a.compare(b, 6, 10));
// Zero-length source, return -1
assert.equal(-1, a.compare(b, 6, 10, 0, 0));
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
assert.equal(1, a.compare(b, 0, 5, 4));
// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
assert.equal(1, a.compare(b, 5, undefined, 1));
// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
assert.equal(-1, a.compare(b, 2, 4, 2));
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
assert.equal(-1, a.compare(b, 0, 7, 4));
// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
assert.equal(-1, a.compare(b, 0, 7, 4, 6));
// zero length target
assert.equal(1, a.compare(b, 0, null));
// coerces to targetEnd == 5
assert.equal(-1, a.compare(b, 0, {valueOf: () => 5}));
// zero length target
assert.equal(1, a.compare(b, Infinity, -Infinity));
// zero length target because default for targetEnd <= targetSource
assert.equal(1, a.compare(b, '0xff'));
var oor = /out of range index/;
assert.throws(() => a.compare(b, 0, 100, 0), oor);
assert.throws(() => a.compare(b, 0, 1, 0, 100), oor);
assert.throws(() => a.compare(b, -1), oor);
assert.throws(() => a.compare(b, 0, '0xff'), oor);
assert.throws(() => a.compare(b, 0, Infinity), oor);
assert.throws(() => a.compare(b, -Infinity, Infinity), oor);
assert.throws(() => a.compare(), /Argument must be a Buffer/);