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How to use messagePortCount method in wpt

Best JavaScript code snippet using wpt

transfer-with-messageport.window.js

Source:transfer-with-messageport.window.js

1"use strict";2function receiveEventOnce(target, name) {3  return new Promise(resolve => {4    target.addEventListener(5      name,6      ev => {7        resolve(ev);8      },9      { once: true }10    );11  });12}13async function postAndTestMessageEvent(data, transfer, title) {14  postMessage(data, "*", transfer);15  const messagePortCount = transfer.filter(i => i instanceof MessagePort)16    .length;17  const ev = await receiveEventOnce(window, "message");18  assert_equals(19    ev.ports.length,20    messagePortCount,21    `Correct number of ports ${title}`22  );23  for (const [i, port] of ev.ports.entries()) {24    assert_true(25      port instanceof MessagePort,26      `ports[${i}] include MessagePort ${title}`27    );28  }29  for (const [key, value] of Object.entries(data)) {30    assert_true(31      ev.data[key] instanceof value.constructor,32      `data.${key} has correct interface ${value.constructor.name} ${title}`33    );34  }35}36async function transferMessagePortWithOrder1(stream) {37  const channel = new MessageChannel();38  await postAndTestMessageEvent(39    { stream, port2: channel.port2 },40    [stream, channel.port2],41    `when transferring [${stream.constructor.name}, MessagePort]`42  );43}44async function transferMessagePortWithOrder2(stream) {45  const channel = new MessageChannel();46  await postAndTestMessageEvent(47    { stream, port2: channel.port2 },48    [channel.port2, stream],49    `when transferring [MessagePort, ${stream.constructor.name}]`50  );51}52async function transferMessagePortWithOrder3(stream) {53  const channel = new MessageChannel();54  await postAndTestMessageEvent(55    { port1: channel.port1, stream, port2: channel.port2 },56    [channel.port1, stream, channel.port2],57    `when transferring [MessagePort, ${stream.constructor.name}, MessagePort]`58  );59}60async function transferMessagePortWithOrder4(stream) {61  const channel = new MessageChannel();62  await postAndTestMessageEvent(63    {},64    [channel.port1, stream, channel.port2],65    `when transferring [MessagePort, ${stream.constructor.name}, MessagePort] but with empty data`66  );67}68async function transferMessagePortWithOrder5(stream) {69  const channel = new MessageChannel();70  await postAndTestMessageEvent(71    { port2: channel.port2, port1: channel.port1, stream },72    [channel.port1, stream, channel.port2],73    `when transferring [MessagePort, ${stream.constructor.name}, MessagePort] but with data having different order`74  );75}76async function transferMessagePortWithOrder6(stream) {77  const channel = new MessageChannel();78  await postAndTestMessageEvent(79    { port2: channel.port2, port1: channel.port1 },80    [channel.port1, stream, channel.port2],81    `when transferring [MessagePort, ${stream.constructor.name}, MessagePort] but with stream not being in the data`82  );83}84async function transferMessagePortWithOrder7(stream) {85  const channel = new MessageChannel();86  await postAndTestMessageEvent(87    { stream },88    [channel.port1, stream, channel.port2],89    `when transferring [MessagePort, ${stream.constructor.name}, MessagePort] but with ports not being in the data`90  );91}92async function transferMessagePortWith(constructor) {93  await transferMessagePortWithOrder1(new constructor());94  await transferMessagePortWithOrder2(new constructor());95  await transferMessagePortWithOrder3(new constructor());96}97async function advancedTransferMesagePortWith(constructor) {98  await transferMessagePortWithOrder4(new constructor());99  await transferMessagePortWithOrder5(new constructor());100  await transferMessagePortWithOrder6(new constructor());101  await transferMessagePortWithOrder7(new constructor());102}103async function mixedTransferMessagePortWithOrder1() {104  const channel = new MessageChannel();105  const readable = new ReadableStream();106  const writable = new WritableStream();107  const transform = new TransformStream();108  await postAndTestMessageEvent(109    {110      readable,111      writable,112      transform,113      port1: channel.port1,114      port2: channel.port2,115    },116    [readable, writable, transform, channel.port1, channel.port2],117    `when transferring [ReadableStream, WritableStream, TransformStream, MessagePort, MessagePort]`118  );119}120async function mixedTransferMessagePortWithOrder2() {121  const channel = new MessageChannel();122  const readable = new ReadableStream();123  const writable = new WritableStream();124  const transform = new TransformStream();125  await postAndTestMessageEvent(126    { readable, writable, transform },127    [transform, channel.port1, readable, channel.port2, writable],128    `when transferring [TransformStream, MessagePort, ReadableStream, MessagePort, WritableStream]`129  );130}131async function mixedTransferMessagePortWithOrder3() {132  const channel = new MessageChannel();133  const readable1 = new ReadableStream();134  const readable2 = new ReadableStream();135  const writable1 = new WritableStream();136  const writable2 = new WritableStream();137  const transform1 = new TransformStream();138  const transform2 = new TransformStream();139  await postAndTestMessageEvent(140    { readable1, writable1, transform1, readable2, writable2, transform2 },141    [142      transform2,143      channel.port1,144      readable1,145      channel.port2,146      writable2,147      readable2,148      writable1,149      transform1,150    ],151    `when transferring [TransformStream, MessagePort, ReadableStream, MessagePort, WritableStream, ReadableStream, WritableStream, TransformStream] but with the data having different order`152  );153}154async function mixedTransferMesagePortWith() {155  await mixedTransferMessagePortWithOrder1();156  await mixedTransferMessagePortWithOrder2();157  await mixedTransferMessagePortWithOrder3();158}159promise_test(async t => {160  await transferMessagePortWith(ReadableStream);161}, "Transferring a MessagePort with a ReadableStream should set `.ports`");162promise_test(async t => {163  await transferMessagePortWith(WritableStream);164}, "Transferring a MessagePort with a WritableStream should set `.ports`");165promise_test(async t => {166  await transferMessagePortWith(TransformStream);167}, "Transferring a MessagePort with a TransformStream should set `.ports`");168promise_test(async t => {169  await transferMessagePortWith(ReadableStream);170}, "Transferring a MessagePort with a ReadableStream should set `.ports`, advanced");171promise_test(async t => {172  await transferMessagePortWith(WritableStream);173}, "Transferring a MessagePort with a WritableStream should set `.ports`, advanced");174promise_test(async t => {175  await transferMessagePortWith(TransformStream);176}, "Transferring a MessagePort with a TransformStream should set `.ports`, advanced");177promise_test(async t => {178  await mixedTransferMesagePortWith();179}, "Transferring a MessagePort with multiple streams should set `.ports`");180test(() => {181  assert_throws_dom("DataCloneError", () =>182    postMessage({ stream: new ReadableStream() }, "*")183  );184}, "ReadableStream must not be serializable");185test(() => {186  assert_throws_dom("DataCloneError", () =>187    postMessage({ stream: new WritableStream() }, "*")188  );189}, "WritableStream must not be serializable");190test(() => {191  assert_throws_dom("DataCloneError", () =>192    postMessage({ stream: new TransformStream() }, "*")193  );...

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3  if (err) return console.log(err);4  console.log('Test status check: ' + data.statusText);5  wpt.getTestStatus(data.data.testId, function(err, data) {6    if (err) return console.log(err);7    console.log('Test status check: ' + data.statusText);8    wpt.getTestResults(data.data.testId, function(err, data) {9      if (err) return console.log(err);10      console.log('Test status check: ' + data.statusText);11      if (data.data.statusCode === 200) {12        console.log('Test completed successfully');13        console.log('Test results: ' + data.data.summary);14        console.log('Test results: ' + data.data.median.firstView);15        console.log('Test results: ' + data.data.median.repeatView);16        console.log('Test results: ' + data.data.median.runs);17      } else {18        console.log('Test failed');19      }20    });21  });22});

Using AI Code Generation

1var wpt = require('webpagetest');2var webPageTest = new wpt('www.webpagetest.org');3var url = 'www.google.com';4var options = {runs: 1, location: 'Dulles:Chrome', pollResults: 1, firstViewOnly: true};5webPageTest.runTest(url, options, function(err, data) {6  if (err) return console.error(err);7  console.log('Test ID: %s', data.data.testId);8  console.log('Test URL: %s', data.data.summary);9  console.log('Test Summary: %s', data.data.summary);10  console.log('Test Results: %s', data.data.userUrl);11  var testId = data.data.testId;12  webPageTest.getTestResults(testId, function(err, data) {13    if (err) return console.error(err);14    console.log('Test Results: %s', data.data.median.firstView.messages);15  });16});

Using AI Code Generation

1var worker = new Worker("wpt-worker.js");2console.log(worker.messagePortCount);3### Worker.terminate()4var worker = new Worker("wpt-worker.js");5worker.terminate();6var worker = new Worker("wpt-worker.js");7worker.onmessage = function (event) {8  console.log(event.data);9};10var worker = new Worker("wpt-worker.js");11worker.onmessageerror = function (event) {12  console.log(event.data);13};14var worker = new Worker("wpt-worker.js");15worker.onerror = function (event) {16  console.log(event.data);17};

Using AI Code Generation

1var wpt = require('webworker-threads');2var worker = wpt.create();3worker.eval(function() {4  postMessage('hello');5  var port = new MessagePort();6  postMessage('world');7  postMessage('port', [port]);8  postMessage('port again', [port]);9  postMessage('port again', [port]);10  postMessage('end');11});12worker.on('message', function(message) {13  if (message === 'end') {14    console.log('worker has ' + this.messagePortCount() + ' message ports');15    worker.terminate();16  }17});18var wpt = require('webworker-threads');19var worker = wpt.create();20worker.eval(function() {21  postMessage('hello');22  var port = new MessagePort();23  postMessage('world');24  postMessage('port', [port]);25  postMessage('port again', [port]);26  postMessage('port again', [port]);27  postMessage('end');28});29worker.on('message', function(message) {30  if (message === 'end') {31    console.log('worker has ' + this.messagePortCount() + ' message ports');32    worker.terminate();33  }34});35var wpt = require('webworker-threads');36var worker = wpt.create();37worker.eval(function() {38  postMessage('hello');39  var port = new MessagePort();40  postMessage('world');41  postMessage('port', [port]);42  postMessage('port again', [port]);43  postMessage('port again', [port]);44  postMessage('end');45});46worker.on('message', function(message) {47  if (message === 'end') {48    console.log('worker has ' + this.messagePortCount() + ' message ports');49    worker.terminate();50  }51});

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3};4wpt.runTest(url, options, function (err, data) {5    if (err) {6        console.log('Error: ' + err);7    } else {8        console.log('Test status: ' + data.statusText);9        console.log('Test ID: ' + data.data.testId);10        console.log('Test URL: ' + data.data.summary);11        console.log('Test started at: ' + data.data.from);12        console.log('Test completed at: ' + data.data.to);13        console.log('Test messagePortCount: ' + data.data.messagePortCount);14    }15});

Using AI Code Generation

1var worker = new Worker('worker.js');2worker.onmessage = function(event) {3  if (event.data == "done") {4    postMessage(worker.messagePortCount);5    worker.terminate();6  }7};8onmessage = function(event) {9  if (event.data == "start") {10    postMessage("done");11  }12};13var worker = new Worker('worker.js');14worker.onmessage = function(event) {15  if (event.data == "done") {16    postMessage(worker.messagePortCount);17    worker.terminate();18  }19};20onmessage = function(event) {21  if (event.data == "start") {22    postMessage("done");23  }24};25var worker = new Worker('worker.js');26worker.onmessage = function(event) {27  if (event.data == "done") {28    postMessage(worker.messagePortCount);29    worker.terminate();30  }31};32onmessage = function(event) {33  if (event.data == "start") {34    postMessage("done");35  }36};37var worker = new Worker('worker.js');38worker.onmessage = function(event) {39  if (event.data == "done") {

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