mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.5 KiB
74 lines
2.5 KiB
'use strict';
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
|
|
const a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
|
|
const b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
|
|
|
|
assert.strictEqual(-1, a.compare(b));
|
|
|
|
// Equivalent to a.compare(b).
|
|
assert.strictEqual(-1, a.compare(b, 0));
|
|
assert.strictEqual(-1, a.compare(b, '0'));
|
|
assert.strictEqual(-1, a.compare(b, undefined));
|
|
|
|
// Equivalent to a.compare(b).
|
|
assert.strictEqual(-1, a.compare(b, 0, undefined, 0));
|
|
|
|
// Zero-length target, return 1
|
|
assert.strictEqual(1, a.compare(b, 0, 0, 0));
|
|
assert.strictEqual(1, a.compare(b, '0', '0', '0'));
|
|
|
|
// Equivalent to Buffer.compare(a, b.slice(6, 10))
|
|
assert.strictEqual(1, a.compare(b, 6, 10));
|
|
|
|
// Zero-length source, return -1
|
|
assert.strictEqual(-1, a.compare(b, 6, 10, 0, 0));
|
|
|
|
// Zero-length source and target, return 0
|
|
assert.strictEqual(0, a.compare(b, 0, 0, 0, 0));
|
|
assert.strictEqual(0, a.compare(b, 1, 1, 2, 2));
|
|
|
|
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
|
|
assert.strictEqual(1, a.compare(b, 0, 5, 4));
|
|
|
|
// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
|
|
assert.strictEqual(1, a.compare(b, 5, undefined, 1));
|
|
|
|
// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
|
|
assert.strictEqual(-1, a.compare(b, 2, 4, 2));
|
|
|
|
// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
|
|
assert.strictEqual(-1, a.compare(b, 0, 7, 4));
|
|
|
|
// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
|
|
assert.strictEqual(-1, a.compare(b, 0, 7, 4, 6));
|
|
|
|
// zero length target
|
|
assert.strictEqual(1, a.compare(b, 0, null));
|
|
|
|
// coerces to targetEnd == 5
|
|
assert.strictEqual(-1, a.compare(b, 0, { valueOf: () => 5 }));
|
|
|
|
// zero length target
|
|
assert.strictEqual(1, a.compare(b, Infinity, -Infinity));
|
|
|
|
// zero length target because default for targetEnd <= targetSource
|
|
assert.strictEqual(1, a.compare(b, '0xff'));
|
|
|
|
const oor = common.expectsError({ code: 'ERR_INDEX_OUT_OF_RANGE' }, 7);
|
|
|
|
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, 0, 1, -1), oor);
|
|
assert.throws(() => a.compare(b, -Infinity, Infinity), oor);
|
|
assert.throws(() => a.compare(), common.expectsError({
|
|
code: 'ERR_INVALID_ARG_TYPE',
|
|
type: TypeError,
|
|
message: 'The "target" argument must be one of ' +
|
|
'type buffer or uint8Array. Received type undefined'
|
|
}));
|
|
|