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.
118 lines
4.5 KiB
118 lines
4.5 KiB
'use strict';
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const SlowBuffer = require('buffer').SlowBuffer;
|
|
const vm = require('vm');
|
|
|
|
// coerce values to string
|
|
const errMsg = common.expectsError({
|
|
code: 'ERR_INVALID_ARG_TYPE',
|
|
type: TypeError,
|
|
message: 'The "string" argument must be one of type string, ' +
|
|
'buffer, or arrayBuffer'
|
|
}, 4);
|
|
assert.throws(() => { Buffer.byteLength(32, 'latin1'); }, errMsg);
|
|
assert.throws(() => { Buffer.byteLength(NaN, 'utf8'); }, errMsg);
|
|
assert.throws(() => { Buffer.byteLength({}, 'latin1'); }, errMsg);
|
|
assert.throws(() => { Buffer.byteLength(); }, errMsg);
|
|
|
|
assert.strictEqual(Buffer.byteLength('', undefined, true), -1);
|
|
|
|
assert(ArrayBuffer.isView(new Buffer(10)));
|
|
assert(ArrayBuffer.isView(new SlowBuffer(10)));
|
|
assert(ArrayBuffer.isView(Buffer.alloc(10)));
|
|
assert(ArrayBuffer.isView(Buffer.allocUnsafe(10)));
|
|
assert(ArrayBuffer.isView(Buffer.allocUnsafeSlow(10)));
|
|
assert(ArrayBuffer.isView(Buffer.from('')));
|
|
|
|
// buffer
|
|
const incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);
|
|
assert.strictEqual(Buffer.byteLength(incomplete), 5);
|
|
const ascii = Buffer.from('abc');
|
|
assert.strictEqual(Buffer.byteLength(ascii), 3);
|
|
|
|
// ArrayBuffer
|
|
const buffer = new ArrayBuffer(8);
|
|
assert.strictEqual(Buffer.byteLength(buffer), 8);
|
|
|
|
// TypedArray
|
|
const int8 = new Int8Array(8);
|
|
assert.strictEqual(Buffer.byteLength(int8), 8);
|
|
const uint8 = new Uint8Array(8);
|
|
assert.strictEqual(Buffer.byteLength(uint8), 8);
|
|
const uintc8 = new Uint8ClampedArray(2);
|
|
assert.strictEqual(Buffer.byteLength(uintc8), 2);
|
|
const int16 = new Int16Array(8);
|
|
assert.strictEqual(Buffer.byteLength(int16), 16);
|
|
const uint16 = new Uint16Array(8);
|
|
assert.strictEqual(Buffer.byteLength(uint16), 16);
|
|
const int32 = new Int32Array(8);
|
|
assert.strictEqual(Buffer.byteLength(int32), 32);
|
|
const uint32 = new Uint32Array(8);
|
|
assert.strictEqual(Buffer.byteLength(uint32), 32);
|
|
const float32 = new Float32Array(8);
|
|
assert.strictEqual(Buffer.byteLength(float32), 32);
|
|
const float64 = new Float64Array(8);
|
|
assert.strictEqual(Buffer.byteLength(float64), 64);
|
|
|
|
// DataView
|
|
const dv = new DataView(new ArrayBuffer(2));
|
|
assert.strictEqual(Buffer.byteLength(dv), 2);
|
|
|
|
// special case: zero length string
|
|
assert.strictEqual(Buffer.byteLength('', 'ascii'), 0);
|
|
assert.strictEqual(Buffer.byteLength('', 'HeX'), 0);
|
|
|
|
// utf8
|
|
assert.strictEqual(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);
|
|
assert.strictEqual(Buffer.byteLength('κλμνξο', 'utf8'), 12);
|
|
assert.strictEqual(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);
|
|
assert.strictEqual(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);
|
|
// without an encoding, utf8 should be assumed
|
|
assert.strictEqual(Buffer.byteLength('hey there'), 9);
|
|
assert.strictEqual(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);
|
|
assert.strictEqual(Buffer.byteLength('hello world', ''), 11);
|
|
// it should also be assumed with unrecognized encoding
|
|
assert.strictEqual(Buffer.byteLength('hello world', 'abc'), 11);
|
|
assert.strictEqual(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
|
|
|
|
// base64
|
|
assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);
|
|
assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'BASE64'), 11);
|
|
assert.strictEqual(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);
|
|
assert.strictEqual(Buffer.byteLength('aGkk', 'base64'), 3);
|
|
assert.strictEqual(
|
|
Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==', 'base64'), 25
|
|
);
|
|
// special padding
|
|
assert.strictEqual(Buffer.byteLength('aaa=', 'base64'), 2);
|
|
assert.strictEqual(Buffer.byteLength('aaaa==', 'base64'), 3);
|
|
|
|
assert.strictEqual(Buffer.byteLength('Il était tué'), 14);
|
|
assert.strictEqual(Buffer.byteLength('Il était tué', 'utf8'), 14);
|
|
|
|
['ascii', 'latin1', 'binary']
|
|
.reduce((es, e) => es.concat(e, e.toUpperCase()), [])
|
|
.forEach((encoding) => {
|
|
assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 12);
|
|
});
|
|
|
|
['ucs2', 'ucs-2', 'utf16le', 'utf-16le']
|
|
.reduce((es, e) => es.concat(e, e.toUpperCase()), [])
|
|
.forEach((encoding) => {
|
|
assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 24);
|
|
});
|
|
|
|
// Test that ArrayBuffer from a different context is detected correctly
|
|
const arrayBuf = vm.runInNewContext('new ArrayBuffer()');
|
|
assert.strictEqual(Buffer.byteLength(arrayBuf), 0);
|
|
|
|
// Verify that invalid encodings are treated as utf8
|
|
for (let i = 1; i < 10; i++) {
|
|
const encoding = String(i).repeat(i);
|
|
|
|
assert.ok(!Buffer.isEncoding(encoding));
|
|
assert.strictEqual(Buffer.byteLength('foo', encoding),
|
|
Buffer.byteLength('foo', 'utf8'));
|
|
}
|
|
|