sdfsdfs

node_modules/buffer/test/node/test-buffer-bytelength.js

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+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+var Buffer = require('../../').Buffer;
+var SlowBuffer = require('../../').SlowBuffer;
+
+// coerce values to string
+assert.equal(Buffer.byteLength(32, 'latin1'), 2);
+assert.equal(Buffer.byteLength(NaN, 'utf8'), 3);
+assert.equal(Buffer.byteLength({}, 'latin1'), 15);
+assert.equal(Buffer.byteLength(), 9);
+
+var buff = new Buffer(10);
+assert(ArrayBuffer.isView(buff));
+var slowbuff = new SlowBuffer(10);
+assert(ArrayBuffer.isView(slowbuff));
+
+// buffer
+var incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);
+assert.equal(Buffer.byteLength(incomplete), 5);
+var ascii = Buffer.from('abc');
+assert.equal(Buffer.byteLength(ascii), 3);
+
+// ArrayBuffer
+var buffer = new ArrayBuffer(8);
+assert.equal(Buffer.byteLength(buffer), 8);
+
+// TypedArray
+var int8 = new Int8Array(8);
+assert.equal(Buffer.byteLength(int8), 8);
+var uint8 = new Uint8Array(8);
+assert.equal(Buffer.byteLength(uint8), 8);
+var uintc8 = new Uint8ClampedArray(2);
+assert.equal(Buffer.byteLength(uintc8), 2);
+var int16 = new Int16Array(8);
+assert.equal(Buffer.byteLength(int16), 16);
+var uint16 = new Uint16Array(8);
+assert.equal(Buffer.byteLength(uint16), 16);
+var int32 = new Int32Array(8);
+assert.equal(Buffer.byteLength(int32), 32);
+var uint32 = new Uint32Array(8);
+assert.equal(Buffer.byteLength(uint32), 32);
+var float32 = new Float32Array(8);
+assert.equal(Buffer.byteLength(float32), 32);
+var float64 = new Float64Array(8);
+assert.equal(Buffer.byteLength(float64), 64);
+
+// DataView
+var dv = new DataView(new ArrayBuffer(2));
+assert.equal(Buffer.byteLength(dv), 2);
+
+// special case: zero length string
+assert.equal(Buffer.byteLength('', 'ascii'), 0);
+assert.equal(Buffer.byteLength('', 'HeX'), 0);
+
+// utf8
+assert.equal(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);
+assert.equal(Buffer.byteLength('κλμνξο', 'utf8'), 12);
+assert.equal(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);
+assert.equal(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);
+// without an encoding, utf8 should be assumed
+assert.equal(Buffer.byteLength('hey there'), 9);
+assert.equal(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);
+assert.equal(Buffer.byteLength('hello world', ''), 11);
+// it should also be assumed with unrecognized encoding
+assert.equal(Buffer.byteLength('hello world', 'abc'), 11);
+assert.equal(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
+
+// base64
+assert.equal(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);
+assert.equal(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);
+assert.equal(Buffer.byteLength('aGkk', 'base64'), 3);
+assert.equal(Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==',
+    'base64'), 25);
+// special padding
+assert.equal(Buffer.byteLength('aaa=', 'base64'), 2);
+assert.equal(Buffer.byteLength('aaaa==', 'base64'), 3);
+
+assert.equal(Buffer.byteLength('Il était tué'), 14);
+assert.equal(Buffer.byteLength('Il était tué', 'utf8'), 14);
+assert.equal(Buffer.byteLength('Il était tué', 'ascii'), 12);
+assert.equal(Buffer.byteLength('Il était tué', 'latin1'), 12);
+assert.equal(Buffer.byteLength('Il était tué', 'binary'), 12);
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+  assert.equal(24, Buffer.byteLength('Il était tué', encoding));
+});
+