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9e0f771224
Some errors in buffer module losed some arguments or received wrong arguments when they were created. This PR added these losing arguments and fixed the wrong arguments. PR-URL: https://github.com/nodejs/node/pull/14975 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
124 lines
4.4 KiB
JavaScript
124 lines
4.4 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const SlowBuffer = require('buffer').SlowBuffer;
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const vm = require('vm');
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[
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[32, 'latin1'],
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[NaN, 'utf8'],
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[{}, 'latin1'],
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[]
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].forEach((args) => {
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common.expectsError(
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() => Buffer.byteLength(...args),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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type: TypeError,
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message: 'The "string" argument must be one of type string, ' +
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`buffer, or arrayBuffer. Received type ${typeof args[0]}`
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}
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);
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});
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assert.strictEqual(Buffer.byteLength('', undefined, true), -1);
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assert(ArrayBuffer.isView(new Buffer(10)));
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assert(ArrayBuffer.isView(new SlowBuffer(10)));
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assert(ArrayBuffer.isView(Buffer.alloc(10)));
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assert(ArrayBuffer.isView(Buffer.allocUnsafe(10)));
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assert(ArrayBuffer.isView(Buffer.allocUnsafeSlow(10)));
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assert(ArrayBuffer.isView(Buffer.from('')));
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// buffer
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const incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);
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assert.strictEqual(Buffer.byteLength(incomplete), 5);
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const ascii = Buffer.from('abc');
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assert.strictEqual(Buffer.byteLength(ascii), 3);
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// ArrayBuffer
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const buffer = new ArrayBuffer(8);
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assert.strictEqual(Buffer.byteLength(buffer), 8);
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// TypedArray
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const int8 = new Int8Array(8);
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assert.strictEqual(Buffer.byteLength(int8), 8);
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const uint8 = new Uint8Array(8);
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assert.strictEqual(Buffer.byteLength(uint8), 8);
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const uintc8 = new Uint8ClampedArray(2);
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assert.strictEqual(Buffer.byteLength(uintc8), 2);
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const int16 = new Int16Array(8);
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assert.strictEqual(Buffer.byteLength(int16), 16);
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const uint16 = new Uint16Array(8);
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assert.strictEqual(Buffer.byteLength(uint16), 16);
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const int32 = new Int32Array(8);
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assert.strictEqual(Buffer.byteLength(int32), 32);
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const uint32 = new Uint32Array(8);
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assert.strictEqual(Buffer.byteLength(uint32), 32);
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const float32 = new Float32Array(8);
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assert.strictEqual(Buffer.byteLength(float32), 32);
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const float64 = new Float64Array(8);
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assert.strictEqual(Buffer.byteLength(float64), 64);
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// DataView
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const dv = new DataView(new ArrayBuffer(2));
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assert.strictEqual(Buffer.byteLength(dv), 2);
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// special case: zero length string
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assert.strictEqual(Buffer.byteLength('', 'ascii'), 0);
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assert.strictEqual(Buffer.byteLength('', 'HeX'), 0);
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// utf8
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assert.strictEqual(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);
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assert.strictEqual(Buffer.byteLength('κλμνξο', 'utf8'), 12);
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assert.strictEqual(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);
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assert.strictEqual(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);
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// without an encoding, utf8 should be assumed
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assert.strictEqual(Buffer.byteLength('hey there'), 9);
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assert.strictEqual(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);
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assert.strictEqual(Buffer.byteLength('hello world', ''), 11);
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// it should also be assumed with unrecognized encoding
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assert.strictEqual(Buffer.byteLength('hello world', 'abc'), 11);
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assert.strictEqual(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
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// base64
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assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);
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assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'BASE64'), 11);
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assert.strictEqual(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);
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assert.strictEqual(Buffer.byteLength('aGkk', 'base64'), 3);
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assert.strictEqual(
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Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==', 'base64'), 25
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);
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// special padding
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assert.strictEqual(Buffer.byteLength('aaa=', 'base64'), 2);
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assert.strictEqual(Buffer.byteLength('aaaa==', 'base64'), 3);
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assert.strictEqual(Buffer.byteLength('Il était tué'), 14);
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assert.strictEqual(Buffer.byteLength('Il était tué', 'utf8'), 14);
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['ascii', 'latin1', 'binary']
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.reduce((es, e) => es.concat(e, e.toUpperCase()), [])
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.forEach((encoding) => {
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assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 12);
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});
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['ucs2', 'ucs-2', 'utf16le', 'utf-16le']
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.reduce((es, e) => es.concat(e, e.toUpperCase()), [])
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.forEach((encoding) => {
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assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 24);
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});
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// Test that ArrayBuffer from a different context is detected correctly
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const arrayBuf = vm.runInNewContext('new ArrayBuffer()');
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assert.strictEqual(Buffer.byteLength(arrayBuf), 0);
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// Verify that invalid encodings are treated as utf8
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for (let i = 1; i < 10; i++) {
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const encoding = String(i).repeat(i);
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assert.ok(!Buffer.isEncoding(encoding));
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assert.strictEqual(Buffer.byteLength('foo', encoding),
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Buffer.byteLength('foo', 'utf8'));
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}
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