mirror of
https://github.com/denoland/deno.git
synced 2024-12-14 19:37:59 -05:00
69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
// deno-fmt-ignore-file
|
|
// deno-lint-ignore-file
|
|
|
|
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
|
|
// Taken from Node 18.12.1
|
|
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
|
|
|
|
'use strict';
|
|
|
|
require('../common');
|
|
const assert = require('assert');
|
|
const buffer = require('buffer');
|
|
const SlowBuffer = buffer.SlowBuffer;
|
|
|
|
const ones = [1, 1, 1, 1];
|
|
|
|
// Should create a Buffer
|
|
let sb = SlowBuffer(4);
|
|
assert(sb instanceof Buffer);
|
|
assert.strictEqual(sb.length, 4);
|
|
sb.fill(1);
|
|
for (const [key, value] of sb.entries()) {
|
|
assert.deepStrictEqual(value, ones[key]);
|
|
}
|
|
|
|
// underlying ArrayBuffer should have the same length
|
|
assert.strictEqual(sb.buffer.byteLength, 4);
|
|
|
|
// Should work without new
|
|
sb = SlowBuffer(4);
|
|
assert(sb instanceof Buffer);
|
|
assert.strictEqual(sb.length, 4);
|
|
sb.fill(1);
|
|
for (const [key, value] of sb.entries()) {
|
|
assert.deepStrictEqual(value, ones[key]);
|
|
}
|
|
|
|
// Should work with edge cases
|
|
assert.strictEqual(SlowBuffer(0).length, 0);
|
|
try {
|
|
assert.strictEqual(
|
|
SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
|
|
} catch (e) {
|
|
// Don't match on message as it is from the JavaScript engine. V8 and
|
|
// ChakraCore provide different messages.
|
|
assert.strictEqual(e.name, 'RangeError');
|
|
}
|
|
|
|
// Should throw with invalid length type
|
|
const bufferInvalidTypeMsg = {
|
|
code: 'ERR_INVALID_ARG_TYPE',
|
|
name: 'TypeError',
|
|
message: /^The "size" argument must be of type number/,
|
|
};
|
|
assert.throws(() => SlowBuffer(), bufferInvalidTypeMsg);
|
|
assert.throws(() => SlowBuffer({}), bufferInvalidTypeMsg);
|
|
assert.throws(() => SlowBuffer('6'), bufferInvalidTypeMsg);
|
|
assert.throws(() => SlowBuffer(true), bufferInvalidTypeMsg);
|
|
|
|
// Should throw with invalid length value
|
|
const bufferMaxSizeMsg = {
|
|
code: 'ERR_INVALID_ARG_VALUE',
|
|
name: 'RangeError',
|
|
message: /^The argument 'size' is invalid\. Received [^"]*$/
|
|
};
|
|
assert.throws(() => SlowBuffer(NaN), bufferMaxSizeMsg);
|
|
assert.throws(() => SlowBuffer(Infinity), bufferMaxSizeMsg);
|
|
assert.throws(() => SlowBuffer(-1), bufferMaxSizeMsg);
|
|
assert.throws(() => SlowBuffer(buffer.kMaxLength + 1), bufferMaxSizeMsg);
|