🔧 Spec: Don’t use deprecated `new Buffer()`

spec/api-browser-window-spec.js

@@ -27,7 +27,7 @@ describe('BrowserWindow module', () => {
     postData = [
       {
         type: 'rawData',
-        bytes: new Buffer('username=test&file=')
+        bytes: Buffer.from('username=test&file=')
       },
       {
         type: 'file',
@@ -270,7 +270,7 @@ describe('BrowserWindow module', () => {
         assert.equal(isMainFrame, true)
         done()
       })
-      const data = new Buffer(2 * 1024 * 1024).toString('base64')
+      const data = Buffer.alloc(2 * 1024 * 1024).toString('base64')
       w.loadURL(`data:image/png;base64,${data}`)
     })
 

spec/api-ipc-spec.js

@@ -145,7 +145,7 @@ describe('ipc module', () => {
 
   describe('remote.createFunctionWithReturnValue', () => {
     it('should be called in browser synchronously', () => {
-      const buf = new Buffer('test')
+      const buf = Buffer.from('test')
       const call = remote.require(path.join(fixtures, 'module', 'call.js'))
       const result = call.call(remote.createFunctionWithReturnValue(buf))
       assert.equal(result.constructor.name, 'Buffer')
@@ -239,7 +239,7 @@ describe('ipc module', () => {
     const printName = remote.require(print)
 
     it('keeps its constructor name for objects', () => {
-      const buf = new Buffer('test')
+      const buf = Buffer.from('test')
       assert.equal(printName.print(buf), 'Buffer')
     })
 

spec/api-protocol-spec.js

@@ -28,7 +28,7 @@ describe('protocol module', () => {
     const body = stream.PassThrough()
 
     async function sendChunks () {
-      let buf = new Buffer(data)
+      let buf = Buffer.from(data)
       for (;;) {
         body.push(buf.slice(0, chunkSize))
         buf = buf.slice(chunkSize)
@@ -204,7 +204,7 @@ describe('protocol module', () => {
   })
 
   describe('protocol.registerBufferProtocol', () => {
-    const buffer = new Buffer(text)
+    const buffer = Buffer.from(text)
     it('sends Buffer as response', (done) => {
       const handler = (request, callback) => callback(buffer)
       protocol.registerBufferProtocol(protocolName, handler, (error) => {
@@ -767,7 +767,7 @@ describe('protocol module', () => {
 
   describe('protocol.interceptBufferProtocol', () => {
     it('can intercept http protocol', (done) => {
-      const handler = (request, callback) => callback(new Buffer(text))
+      const handler = (request, callback) => callback(Buffer.from(text))
       protocol.interceptBufferProtocol('http', handler, (error) => {
         if (error) return done(error)
         $.ajax({

spec/api-session-spec.js

@@ -242,7 +242,7 @@ describe('session module', () => {
     })
 
     it('can cancel default download behavior', (done) => {
-      const mockFile = new Buffer(1024)
+      const mockFile = Buffer.alloc(1024)
       const contentDisposition = 'inline; filename="mockFile.txt"'
       const downloadServer = http.createServer((req, res) => {
         res.writeHead(200, {
@@ -271,7 +271,7 @@ describe('session module', () => {
   })
 
   describe('DownloadItem', () => {
-    const mockPDF = new Buffer(1024 * 1024 * 5)
+    const mockPDF = Buffer.alloc(1024 * 1024 * 5)
     let contentDisposition = 'inline; filename="mock.pdf"'
     const downloadFilePath = path.join(fixtures, 'mock.pdf')
     const downloadServer = http.createServer((req, res) => {

spec/asar-spec.js

@@ -15,7 +15,7 @@ describe('asar package', function () {
 
   describe('node api', function () {
     it('supports paths specified as a Buffer', function () {
-      var file = new Buffer(path.join(fixtures, 'asar', 'a.asar', 'file1'))
+      var file = Buffer.from(path.join(fixtures, 'asar', 'a.asar', 'file1'))
       assert.equal(fs.existsSync(file), true)
     })
 
@@ -491,7 +491,7 @@ describe('asar package', function () {
           file = ref2[j]
           p = path.join(fixtures, 'asar', 'a.asar', file)
           fd = fs.openSync(p, 'r')
-          buffer = new Buffer(6)
+          buffer = Buffer.alloc(6)
           fs.readSync(fd, buffer, 0, 6, 0)
           assert.equal(String(buffer).trim(), 'file1')
           fs.closeSync(fd)
@@ -512,7 +512,7 @@ describe('asar package', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         fs.open(p, 'r', function (err, fd) {
           assert.equal(err, null)
-          var buffer = new Buffer(6)
+          var buffer = Buffer.alloc(6)
           fs.read(fd, buffer, 0, 6, 0, function (err) {
             assert.equal(err, null)
             assert.equal(String(buffer).trim(), 'file1')

spec/node-spec.js

@@ -274,7 +274,7 @@ describe('node feature', () => {
     it('can be created from WebKit external string', () => {
       const p = document.createElement('p')
       p.innerText = '闲云潭影日悠悠，物换星移几度秋'
-      const b = new Buffer(p.innerText)
+      const b = Buffer.from(p.innerText)
       assert.equal(b.toString(), '闲云潭影日悠悠，物换星移几度秋')
       assert.equal(Buffer.byteLength(p.innerText), 45)
     })
@@ -282,15 +282,15 @@ describe('node feature', () => {
     it('correctly parses external one-byte UTF8 string', () => {
       const p = document.createElement('p')
       p.innerText = 'Jøhänñéß'
-      const b = new Buffer(p.innerText)
+      const b = Buffer.from(p.innerText)
       assert.equal(b.toString(), 'Jøhänñéß')
       assert.equal(Buffer.byteLength(p.innerText), 13)
     })
 
     it('does not crash when creating large Buffers', () => {
-      let buffer = new Buffer(new Array(4096).join(' '))
+      let buffer = Buffer.from(new Array(4096).join(' '))
       assert.equal(buffer.length, 4095)
-      buffer = new Buffer(new Array(4097).join(' '))
+      buffer = Buffer.from(new Array(4097).join(' '))
       assert.equal(buffer.length, 4096)
     })
   })