How to use held method in wpt

Best JavaScript code snippet using wpt

query.tentative.https.any.js

Source:query.tentative.https.any.js

1// META: title=Web Locks API: navigator.locks.query method2// META: script=resources/helpers.js3'use strict';4// Returns an array of the modes for the locks with matching name.5function modes(list, name) {6  return list.filter(item => item.name === name).map(item => item.mode);7}8// Returns an array of the clientIds for the locks with matching name.9function clients(list, name) {10  return list.filter(item => item.name === name).map(item => item.clientId);11}12promise_test(async t => {13  const res = uniqueName(t);14  await navigator.locks.request(res, async lock1 => {15    // Attempt to request this again - should be blocked.16    let lock2_acquired = false;17    navigator.locks.request(res, lock2 => { lock2_acquired = true; });18    // Verify that it was blocked.19    await navigator.locks.request(res, {ifAvailable: true}, async lock3 => {20      assert_false(lock2_acquired, 'second request should be blocked');21      assert_equals(lock3, null, 'third request should have failed');22      const state = await navigator.locks.query();23      assert_own_property(state, 'pending', 'State has `pending` property');24      assert_true(Array.isArray(state.pending),25                  'State `pending` property is an array');26      const pending_info = state.pending[0];27      assert_own_property(pending_info, 'name',28                          'Pending info dictionary has `name` property');29      assert_own_property(pending_info, 'mode',30                          'Pending info dictionary has `mode` property');31      assert_own_property(pending_info, 'clientId',32                          'Pending info dictionary has `clientId` property');33      assert_own_property(state, 'held', 'State has `held` property');34      assert_true(Array.isArray(state.held),35                  'State `held` property is an array');36      const held_info = state.held[0];37      assert_own_property(held_info, 'name',38                          'Held info dictionary has `name` property');39      assert_own_property(held_info, 'mode',40                          'Held info dictionary has `mode` property');41      assert_own_property(held_info, 'clientId',42                          'Held info dictionary has `clientId` property');43    });44  });45}, 'query() returns dictionaries with expected properties');46promise_test(async t => {47  const res = uniqueName(t);48  await navigator.locks.request(res, async lock1 => {49    const state = await navigator.locks.query();50    assert_array_equals(modes(state.held, res), ['exclusive'],51                        'Held lock should appear once');52  });53  await navigator.locks.request(res, {mode: 'shared'}, async lock1 => {54    const state = await navigator.locks.query();55    assert_array_equals(modes(state.held, res), ['shared'],56                        'Held lock should appear once');57  });58}, 'query() reports individual held locks');59promise_test(async t => {60  const res1 = uniqueName(t);61  const res2 = uniqueName(t);62  await navigator.locks.request(res1, async lock1 => {63    await navigator.locks.request(res2, {mode: 'shared'}, async lock2 => {64      const state = await navigator.locks.query();65      assert_array_equals(modes(state.held, res1), ['exclusive'],66                          'Held lock should appear once');67      assert_array_equals(modes(state.held, res2), ['shared'],68                          'Held lock should appear once');69    });70  });71}, 'query() reports multiple held locks');72promise_test(async t => {73  const res = uniqueName(t);74  await navigator.locks.request(res, async lock1 => {75    // Attempt to request this again - should be blocked.76    let lock2_acquired = false;77    navigator.locks.request(res, lock2 => { lock2_acquired = true; });78    // Verify that it was blocked.79    await navigator.locks.request(res, {ifAvailable: true}, async lock3 => {80      assert_false(lock2_acquired, 'second request should be blocked');81      assert_equals(lock3, null, 'third request should have failed');82      const state = await navigator.locks.query();83      assert_array_equals(modes(state.pending, res), ['exclusive'],84                          'Pending lock should appear once');85      assert_array_equals(modes(state.held, res), ['exclusive'],86                          'Held lock should appear once');87    });88  });89}, 'query() reports pending and held locks');90promise_test(async t => {91  const res = uniqueName(t);92  await navigator.locks.request(res, {mode: 'shared'}, async lock1 => {93    await navigator.locks.request(res, {mode: 'shared'}, async lock2 => {94      const state = await navigator.locks.query();95      assert_array_equals(modes(state.held, res), ['shared', 'shared'],96                          'Held lock should appear twice');97    });98  });99}, 'query() reports held shared locks with appropriate count');100promise_test(async t => {101  const res = uniqueName(t);102  await navigator.locks.request(res, async lock1 => {103    let lock2_acquired = false, lock3_acquired = false;104    navigator.locks.request(res, {mode: 'shared'},105                            lock2 => { lock2_acquired = true; });106    navigator.locks.request(res, {mode: 'shared'},107                            lock3 => { lock3_acquired = true; });108    await navigator.locks.request(res, {ifAvailable: true}, async lock4 => {109      assert_equals(lock4, null, 'lock should not be available');110      assert_false(lock2_acquired, 'second attempt should be blocked');111      assert_false(lock3_acquired, 'third attempt should be blocked');112      const state = await navigator.locks.query();113      assert_array_equals(modes(state.held, res), ['exclusive'],114                          'Held lock should appear once');115      assert_array_equals(modes(state.pending, res), ['shared', 'shared'],116                          'Pending lock should appear twice');117    });118  });119}, 'query() reports pending shared locks with appropriate count');120promise_test(async t => {121  const res1 = uniqueName(t);122  const res2 = uniqueName(t);123  await navigator.locks.request(res1, async lock1 => {124    await navigator.locks.request(res2, async lock2 => {125      const state = await navigator.locks.query();126      const res1_clients = clients(state.held, res1);127      const res2_clients = clients(state.held, res2);128      assert_equals(res1_clients.length, 1, 'Each lock should have one holder');129      assert_equals(res2_clients.length, 1, 'Each lock should have one holder');130      assert_array_equals(res1_clients, res2_clients,131                          'Both locks should have same clientId');132    });133  });134}, 'query() reports the same clientId for held locks from the same context');135promise_test(async t => {136  const res = uniqueName(t);137  const worker = new Worker('resources/worker.js');138  t.add_cleanup(() => { worker.terminate(); });139  await postToWorkerAndWait(140    worker, {op: 'request', name: res, mode: 'shared'});141  await navigator.locks.request(res, {mode: 'shared'}, async lock => {142    const state = await navigator.locks.query();143    const res_clients = clients(state.held, res);144    assert_equals(res_clients.length, 2, 'Clients should have same resource');145    assert_not_equals(res_clients[0], res_clients[1],146                      'Clients should have different ids');147  });148}, 'query() reports different ids for held locks from different contexts');149promise_test(async t => {150  const res1 = uniqueName(t);151  const res2 = uniqueName(t);152  const worker = new Worker('resources/worker.js');153  t.add_cleanup(() => { worker.terminate(); });154  // Acquire 1 in the worker.155  await postToWorkerAndWait(worker, {op: 'request', name: res1})156  // Acquire 2 here.157  await new Promise(resolve => {158    navigator.locks.request(res2, lock => {159      resolve();160      return new Promise(() => {}); // Never released.161    });162  });163  // Request 2 in the worker.164  postToWorkerAndWait(worker, {op: 'request', name: res2});165  assert_true((await postToWorkerAndWait(worker, {166    op: 'request', name: res2, ifAvailable: true167  })).failed, 'Lock request should have failed');168  // Request 1 here.169  navigator.locks.request(170    res1, t.unreached_func('Lock should not be acquired'));171  // Verify that we're seeing a deadlock.172  const state = await navigator.locks.query();173  const res1_held_clients = clients(state.held, res1);174  const res2_held_clients = clients(state.held, res2);175  const res1_pending_clients = clients(state.pending, res1);176  const res2_pending_clients = clients(state.pending, res2);177  assert_equals(res1_held_clients.length, 1);178  assert_equals(res2_held_clients.length, 1);179  assert_equals(res1_pending_clients.length, 1);180  assert_equals(res2_pending_clients.length, 1);181  assert_equals(res1_held_clients[0], res2_pending_clients[0]);182  assert_equals(res2_held_clients[0], res1_pending_clients[0]);...

finalizationRegistry.js

Source:finalizationRegistry.js

1function checkPropertyDescriptor(obj, property, writable, enumerable,2                                 configurable) {3  let desc = Object.getOwnPropertyDescriptor(obj, property);4  assertEq(typeof desc, "object");5  assertEq(desc.writable, writable);6  assertEq(desc.enumerable, enumerable);7  assertEq(desc.configurable, configurable);8}9function assertThrowsTypeError(thunk) {10  let error;11  try {12    thunk();13  } catch (e) {14    error = e;15  }16  assertEq(error instanceof TypeError, true);17}18// 3.1 The FinalizationRegistry Constructor19assertEq(typeof this.FinalizationRegistry, "function");20// 3.1.1 FinalizationRegistry ( cleanupCallback ) 21assertThrowsTypeError(() => new FinalizationRegistry());22assertThrowsTypeError(() => new FinalizationRegistry(1));23new FinalizationRegistry(x => 0);24// 3.2 Properties of the FinalizationRegistry Constructor25assertEq(Object.getPrototypeOf(FinalizationRegistry), Function.prototype);26// 3.2.1 FinalizationRegistry.prototype27checkPropertyDescriptor(FinalizationRegistry, 'prototype', false, false, false);28// 3.3 Properties of the FinalizationRegistry Prototype Object29let proto = FinalizationRegistry.prototype;30assertEq(Object.getPrototypeOf(proto), Object.prototype);31// 3.3.1 FinalizationRegistry.prototype.constructor32assertEq(proto.constructor, FinalizationRegistry);33// 3.3.2 FinalizationRegistry.prototype.register ( target , holdings [, unregisterToken ] )34assertEq(proto.hasOwnProperty('register'), true);35assertEq(typeof proto.register, 'function');36// 3.3.3 FinalizationRegistry.prototype.unregister ( unregisterToken )37assertEq(proto.hasOwnProperty('unregister'), true);38assertEq(typeof proto.unregister, 'function');39// 3.3.4 FinalizationRegistry.prototype.cleanupSome ( [ callback ] )40assertEq(proto.hasOwnProperty('cleanupSome'), true);41assertEq(typeof proto.cleanupSome, 'function');42// 3.3.5 FinalizationRegistry.prototype [ @@toStringTag ]43assertEq(proto[Symbol.toStringTag], "FinalizationRegistry");44checkPropertyDescriptor(proto, Symbol.toStringTag, false, false, true);45// 3.4 Properties of FinalizationRegistry Instances46let registry = new FinalizationRegistry(x => 0);47assertEq(Object.getPrototypeOf(registry), proto);48assertEq(Object.getOwnPropertyNames(registry).length, 0);49let heldValues = [];50registry = new FinalizationRegistry(value => {51  heldValues.push(value);52});53// Test a single target.54heldValues = [];55registry.register({}, 42);56gc();57drainJobQueue();58assertEq(heldValues.length, 1);59assertEq(heldValues[0], 42);60// Test multiple targets.61heldValues = [];62for (let i = 0; i < 100; i++) {63  registry.register({}, i);64}65gc();66drainJobQueue();67assertEq(heldValues.length, 100);68heldValues = heldValues.sort((a, b) => a - b);69for (let i = 0; i < 100; i++) {70  assertEq(heldValues[i], i);71}72// Test a single object in multiple registries73heldValues = [];74let heldValues2 = [];75let registry2 = new FinalizationRegistry(value => {76  heldValues2.push(value);77});78{79  let object = {};80  registry.register(object, 1);81  registry2.register(object, 2);82  object = null;83}84gc();85drainJobQueue();86assertEq(heldValues.length, 1);87assertEq(heldValues[0], 1);88assertEq(heldValues2.length, 1);89assertEq(heldValues2[0], 2);90// Unregister a single target.91heldValues = [];92let token = {};93registry.register({}, 1, token);94registry.unregister(token);95gc();96drainJobQueue();97assertEq(heldValues.length, 0);98// Unregister multiple targets.99heldValues = [];100let token2 = {};101registry.register({}, 1, token);102registry.register({}, 2, token2);103registry.register({}, 3, token);104registry.register({}, 4, token2);105registry.unregister(token);106gc();107drainJobQueue();108assertEq(heldValues.length, 2);109heldValues = heldValues.sort((a, b) => a - b);110assertEq(heldValues[0], 2);111assertEq(heldValues[1], 4);112// Watch object in another global.113let other = newGlobal({newCompartment: true});114heldValues = [];115registry.register(evalcx('({})', other), 1);116gc();117drainJobQueue();118assertEq(heldValues.length, 1);119assertEq(heldValues[0], 1);120// Pass heldValues from another global.121let heldValue = evalcx('{}', other);122heldValues = [];123registry.register({}, heldValue);124gc();125drainJobQueue();126assertEq(heldValues.length, 1);127assertEq(heldValues[0], heldValue);128// Pass unregister token from another global.129token = evalcx('({})', other);130heldValues = [];131registry.register({}, 1, token);132gc();133drainJobQueue();134assertEq(heldValues.length, 1);135assertEq(heldValues[0], 1);136heldValues = [];137registry.register({}, 1, token);138registry.unregister(token);139gc();140drainJobQueue();141assertEq(heldValues.length, 0);142// FinalizationRegistry is designed to be subclassable.143class MyRegistry extends FinalizationRegistry {144  constructor(callback) {145    super(callback);146  }147}148let r2 = new MyRegistry(value => {149  heldValues.push(value);150});151heldValues = [];152r2.register({}, 42);153gc();154drainJobQueue();155assertEq(heldValues.length, 1);156assertEq(heldValues[0], 42);157// Test cleanupSome.158heldValues = [];159let r5 = new FinalizationRegistry(v => heldValues.push(v));160r5.register({}, 1);161r5.register({}, 2);162r5.register({}, 3);163gc();164r5.cleanupSome();165assertEq(heldValues.length, 3);166heldValues = heldValues.sort((a, b) => a - b);167assertEq(heldValues[0], 1);168assertEq(heldValues[1], 2);169assertEq(heldValues[2], 3);170// Test trying to call cleanupSome in callback.171let r6 = new FinalizationRegistry(x => {172  r6.cleanupSome();173});174r6.register({}, 1);175gc();176drainJobQueue();177// Test trying to call cleanupSome in callback with multiple values.178let callbackCounter7 = 0;179let r7 = new FinalizationRegistry(x => {180  callbackCounter7++;181  r7.cleanupSome();182});183r7.register({}, 1);184r7.register({}, 2);185r7.register({}, 3);186r7.register({}, 4);187gc();188drainJobQueue();189assertEq(callbackCounter7, 4);190// Test that targets don't keep the finalization registry alive.191let target = {};192registry = new FinalizationRegistry(value => undefined);193registry.register(target, 1);194let weakRef = new WeakRef(registry);195registry = undefined;196assertEq(typeof weakRef.deref(), 'object');197drainJobQueue();198gc();199assertEq(weakRef.deref(), undefined);200assertEq(typeof target, 'object');201// Test that targets don't keep the finalization registry alive when also202// used as the unregister token.203registry = new FinalizationRegistry(value => undefined);204registry.register(target, 1, target);205weakRef = new WeakRef(registry);206registry = undefined;207assertEq(typeof weakRef.deref(), 'object');208drainJobQueue();209gc();210assertEq(weakRef.deref(), undefined);211assertEq(typeof target, 'object');212// Test that cleanup doesn't happen if the finalization registry dies.213heldValues = [];214new FinalizationRegistry(value => {215  heldValues.push(value);216}).register({}, 1);217gc();218drainJobQueue();...

app.js

Source:app.js

1let heldValue = null23let heldOperation = null45let nextValue = null67$('.digits button').click(function(){8    if (nextValue === null){9        nextValue = '0'10    } 1112    nextValue += $(this).text()1314    updateDisplay()15})1617$('.add').click(function (){18    setHeldOp(add)1920    $('.next-operation').text('+')21    updateDisplay()22})2324$('.subtract').click(function(){25    setHeldOp(subtract)2627    $('.next-operation').text('-')28    updateDisplay()29})3031$('.multiply').click(function(){32    setHeldOp(multiply)3334    $('.next-operation').text('X')35    updateDisplay()36})3738$('.divide').click(function(){39    setHeldOp(divide)4041    $('.next-operation').text('/')42    updateDisplay()43})4445$('.equals').click(function (){46    setHeldOp(null)47    48    $('.next-operation').text('')4950    updateDisplay()51})5253$('.clear-all').click(function (){54    heldValue = null;55    nextValue = null;56    heldOperation = null;5758    $('.next-operation').text('')5960    updateDisplay()61})6263$('.clear-entry').click(function (){64    nextValue = null6566    updateDisplay()67})6869function updateDisplay(){70    showValue('.held-value', heldValue)71    showValue('.next-value', nextValue)72}7374function showValue(location, value){75    if (value === null){76        $(location).text('')77    } else {78        $(location).text(Number(value))79    }80}81828384function add(num1, num2){85    return num1 + num286}8788function subtract(num1, num2){89    return num1 - num290}9192function multiply(num1, num2){93    return num1 * num294}9596function divide(num1, num2){97    return num1 / num298}99100function setHeldOp(operation){101    if(heldOperation !== null){102        heldValue = heldOperation(Number(heldValue), Number(nextValue))103    } else if (nextValue !== null && heldOperation === null){104        heldValue = nextValue105    }106107    nextValue = null108109    heldOperation = operation110}111
...

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3    if (err) return console.error(err);4    console.log(data);5    wpt.getTestResults(data.data.testId, function(err, data) {6        if (err) return console.error(err);7        console.log(data);8    });9});10#### wpt.getTestResults(testId, callback)11var wpt = require('webpagetest');12var wpt = new WebPageTest('www.webpagetest.org');13wpt.getTestResults(150619_8E_8c9e9e4c4f1d1d26b8c7a0f5c3e3d3c3, function(err, data) {14    if (err) return console.error(err);15    console.log(data);16});17#### wpt.getLocations(callback)18var wpt = require('webpagetest');19var wpt = new WebPageTest('www.webpagetest.org');20wpt.getLocations(function(err, data) {21    if (err) return console.error(err);22    console.log(data);23});24#### wpt.getTesters(callback)25var wpt = require('webpagetest');

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3};4var webPageTest = new wpt(options);5var testOptions = {6    videoParams: {7    },8    timelineParams: {9    }10};11webPageTest.runTest(testURL, testOptions, function (err, data) {12    if (err) {13        console.log(err);14    } else {15        console.log(data);16    }17});

Using AI Code Generation

1var wpt = require('wpt.js');2wpt.held('API_KEY', 'TEST_URL', function(data) {3  console.log(data);4});5var wpt = require('wpt.js');6wpt.test('API_KEY', 'TEST_URL', function(data) {7  console.log(data);8});

Using AI Code Generation

1var wptools = require('wptools');2var page = wptools.page('Albert Einstein', {verbose: false});3page.held(function (err, result) {4  console.log(result);5});6var wptools = require('wptools');7var page = wptools.page('Albert Einstein', {verbose: false});8page.held(function (err, result) {9  console.log(result);10});11var wptools = require('wptools');12var page = wptools.page('Albert Einstein', {verbose: false});13page.held(function (err, result) {14  console.log(result);15});16var wptools = require('wptools');17var page = wptools.page('Albert Einstein', {verbose: false});18page.held(function (err, result) {19  console.log(result);20});21var wptools = require('wptools');22var page = wptools.page('Albert Einstein', {verbose: false});23page.held(function (err, result) {24  console.log(result);25});26var wptools = require('wptools');27var page = wptools.page('Albert Einstein', {verbose: false});28page.held(function (err, result) {29  console.log(result);30});31var wptools = require('wptools');32var page = wptools.page('Albert Einstein', {verbose: false});33page.held(function (err, result) {34  console.log(result);35});36var wptools = require('wptools');37var page = wptools.page('Albert Einstein', {verbose: false});38page.held(function (err, result) {39  console.log(result);40});41var wptools = require('wptools');

Using AI Code Generation

1var WptDriver = require('wptdriver').WptDriver;2var driver = new WptDriver();3driver.runTest(function(err, result) {4    if (err) {5        console.log(err);6    } else {7        console.log(result);8    }9});

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