Best JavaScript code snippet using wpt
blob-composite-blob-reads.any.js
Source: blob-composite-blob-reads.any.js
1// META: title=IDB-backed composite blobs maintain coherency2// META: script=resources/support-promises.js3// META: timeout=long4// This test file is intended to help validate browser handling of complex blob5// scenarios where one or more levels of multipart blobs are used and varying6// IPC serialization strategies may be used depending on various complexity7// heuristics.8//9// A variety of approaches of reading the blob's contents are attempted for10// completeness:11// - `fetch-blob-url`: fetch of a URL created via URL.createObjectURL12// - Note that this is likely to involve multi-process behavior in a way that13// the next 2 currently will not unless their Blobs are round-tripped14// through a MessagePort.15// - `file-reader`: FileReader16// - `direct`: Blob.prototype.arrayBuffer()17function composite_blob_test({ blobCount, blobSize, name }) {18 // NOTE: In order to reduce the runtime of this test and due to the similarity19 // of the "file-reader" mechanism to the "direct", "file-reader" is commented20 // out, but if you are investigating failures detected by this test, you may21 // want to uncomment it.22 for (const mode of ["fetch-blob-url", /*"file-reader",*/ "direct"]) {23 promise_test(async testCase => {24 const key = "the-blobs";25 let memBlobs = [];26 for (let iBlob = 0; iBlob < blobCount; iBlob++) {27 memBlobs.push(new Blob([make_arraybuffer_contents(iBlob, blobSize)]));28 }29 const db = await createDatabase(testCase, db => {30 db.createObjectStore("blobs");31 });32 const write_tx = db.transaction("blobs", "readwrite");33 let store = write_tx.objectStore("blobs");34 store.put(memBlobs, key);35 // Make the blobs eligible for GC which is most realistic and most likely36 // to cause problems.37 memBlobs = null;38 await promiseForTransaction(testCase, write_tx);39 const read_tx = db.transaction("blobs");40 store = read_tx.objectStore("blobs");41 const read_req = store.get(key);42 await promiseForTransaction(testCase, read_tx);43 const diskBlobs = read_req.result;44 const compositeBlob = new Blob(diskBlobs);45 if (mode === "fetch-blob-url") {46 const blobUrl = URL.createObjectURL(compositeBlob);47 let urlResp = await fetch(blobUrl);48 let urlFetchArrayBuffer = await urlResp.arrayBuffer();49 urlResp = null;50 URL.revokeObjectURL(blobUrl);51 validate_arraybuffer_contents("fetched URL", urlFetchArrayBuffer, blobCount, blobSize);52 urlFetchArrayBuffer = null;53 } else if (mode === "file-reader") {54 let reader = new FileReader();55 let readerPromise = new Promise(resolve => {56 reader.onload = () => {57 resolve(reader.result);58 }59 })60 reader.readAsArrayBuffer(compositeBlob);61 let readArrayBuffer = await readerPromise;62 readerPromise = null;63 reader = null;64 validate_arraybuffer_contents("FileReader", readArrayBuffer, blobCount, blobSize);65 readArrayBuffer = null;66 } else if (mode === "direct") {67 let directArrayBuffer = await compositeBlob.arrayBuffer();68 validate_arraybuffer_contents("arrayBuffer", directArrayBuffer, blobCount, blobSize);69 }70 }, `Composite Blob Handling: ${name}: ${mode}`);71 }72}73// Create an ArrayBuffer whose even bytes are the index identifier and whose74// odd bytes are a sequence incremented by 3 (wrapping at 256) so that75// discontinuities at power-of-2 boundaries are more detectable.76function make_arraybuffer_contents(index, size) {77 const arr = new Uint8Array(size);78 for (let i = 0, counter = 0; i < size; i += 2, counter = (counter + 3) % 256) {79 arr[i] = index;80 arr[i + 1] = counter;81 }82 return arr.buffer;83}84function validate_arraybuffer_contents(source, buffer, blobCount, blobSize) {85 // Accumulate a list of problems we perceive so we can report what seems to86 // have happened all at once.87 const problems = [];88 const arr = new Uint8Array(buffer);89 const expectedLength = blobCount * blobSize;90 const actualCount = arr.length / blobSize;91 if (arr.length !== expectedLength) {92 problems.push(`ArrayBuffer only holds ${actualCount} blobs' worth instead of ${blobCount}.`);93 problems.push(`Actual ArrayBuffer is ${arr.length} bytes but expected ${expectedLength}`);94 }95 const counterBlobStep = (blobSize / 2 * 3) % 256;96 let expectedBlob = 0;97 let blobSeenSoFar = 0;98 let expectedCounter = 0;99 let counterDrift = 0;100 for (let i = 0; i < arr.length; i += 2) {101 if (arr[i] !== expectedBlob || blobSeenSoFar >= blobSize) {102 if (blobSeenSoFar !== blobSize) {103 problems.push(`Truncated blob ${expectedBlob} after ${blobSeenSoFar} bytes.`);104 } else {105 expectedBlob++;106 }107 if (expectedBlob !== arr[i]) {108 problems.push(`Expected blob ${expectedBlob} but found ${arr[i]}, compensating.`);109 expectedBlob = arr[i];110 }111 blobSeenSoFar = 0;112 expectedCounter = (expectedBlob * counterBlobStep) % 256;113 counterDrift = 0;114 }115 if (arr[i + 1] !== (expectedCounter + counterDrift) % 256) {116 const newDrift = expectedCounter - arr[i + 1];117 problems.push(`In blob ${expectedBlob} at ${blobSeenSoFar + 1} bytes in, counter drift now ${newDrift} was ${counterDrift}`);118 counterDrift = newDrift;119 }120 blobSeenSoFar += 2;121 expectedCounter = (expectedCounter + 3) % 256;122 }123 if (problems.length) {124 assert_true(false, `${source} blob payload problem: ${problems.join("\n")}`);125 } else {126 assert_true(true, `${source} blob payloads validated.`);127 }128}129composite_blob_test({130 blobCount: 16,131 blobSize: 256 * 1024,132 name: "Many blobs",...
Using AI Code Generation
1var wpt = require('wpt');2wpt.write_tx('test', 'test', function(err, data) {3 console.log(data);4});5var wpt = require('wpt');6wpt.write_tx('test', 'test', function(err, data) {7 console.log(data);8});9var wpt = require('wpt');10wpt.write_tx('test', 'test', function(err, data) {11 console.log(data);12});13var wpt = require('wpt');14wpt.write_tx('test', 'test', function(err, data) {15 console.log(data);16});17var wpt = require('wpt');18wpt.write_tx('test', 'test', function(err, data) {19 console.log(data);20});21var wpt = require('wpt');22wpt.write_tx('test', 'test', function(err, data) {23 console.log(data);24});25var wpt = require('wpt');26wpt.write_tx('test', 'test', function(err, data) {27 console.log(data);28});29var wpt = require('wpt');30wpt.write_tx('test', 'test', function(err, data) {31 console.log(data);32});33var wpt = require('wpt');34wpt.write_tx('test', 'test', function(err, data) {35 console.log(data);36});37var wpt = require('wpt');38wpt.write_tx('test', 'test', function(err, data) {39 console.log(data);40});41var wpt = require('wpt');42wpt.write_tx('test', 'test', function(err, data)
Using AI Code Generation
1var wpt = require('wpt');2var options = {3};4 if (err) return console.log(err);5 wpt.writeTxData(data.data.testId, function(err, data) {6 if (err) return console.log(err);7 console.log(data);8 });9});10var wpt = require('wpt');11var options = {12};13 if (err) return console.log(err);14 wpt.writeTxData(data.data.testId, function(err, data) {15 if (err) return console.log(err);16 console.log(data);17 });18});19var wpt = require('wpt');20var options = {21};22 if (err) return console.log(err);23 wpt.writeTxData(data.data.testId, function(err, data) {24 if (err) return console.log(err);25 console.log(data);26 });27});28var wpt = require('wpt');29var options = {
Using AI Code Generation
1var write_tx = require('./write_tx');2write_tx.write_tx();3var Web3 = require('web3');4var contract_abi = require('./contract_abi');5var contract_address = require('./contract_address');6var private_key = require('./private_key');7var account_address = require('./account_address');8var account_nonce = require('./account_nonce');9var account_gas_price = require('./account_gas_price');10var account_gas_limit = require('./account_gas_limit');11var account_chain_id = require('./account_chain_id');12var account_value = require('./account_value');13var account_data = require('./account_data');14var account_to = require('./account_to');15var account_from = require('./account_from');16var account_v = require('./account_v');17var account_r = require('./account_r');18var account_s = require('./account_s');19var account_input = require('./account_input');20var account_hash = require('./account_hash');21var account_transaction_index = require('./account_transaction_index');22var account_block_hash = require('./account_block_hash');23var account_block_number = require('./account_block_number');24var account_transaction_hash = require('./account_transaction_hash');25var account_transaction_receipt = require('./account_transaction_receipt');26var account_transaction_confirmation = require('./account_transaction_confirmation');27var account_transaction_count = require('./account_transaction_count');28var account_code = require('./account_code');29var account_call = require('./account_call');30var account_estimate_gas = require('./account_estimate_gas
Using AI Code Generation
1var wpt = require('webpagetest');2var api = new wpt('www.webpagetest.org', 'A.3f3e6f3a3e6f3a3e6f3a3e6f3a3e6f3a');3api.runTest(url, { location: 'Dulles:Chrome' }, function(err, data) {4 if (err) {5 console.log(err);6 } else {7 console.log(data);8 api.writeTxData(data.data.testId, 'my_test', 'my test data', function(err, data) {9 if (err) {10 console.log(err);11 } else {12 console.log(data);13 }14 });15 }16});17var wpt = require('webpagetest');18var api = new wpt('www.webpagetest.org', 'A.3f3e6f3a3e6f3a3e6f3a3e6f3a3e6f3a');19api.runTest(url, { location: 'Dulles:Chrome' }, function(err, data) {20 if (err) {21 console.log(err);22 } else {23 console.log(data);24 api.writeTxData(data.data.testId, 'my_test', 'my test data', function(err, data) {25 if (err) {26 console.log(err);27 } else {28 console.log(data);29 }30 });31 }32});33var wpt = require('webpagetest');34var api = new wpt('www.webpagetest.org', 'A.3f3e6f3a3e6f3a3e6f3a3e6f3a3e6f3a');35api.runTest(url, { location: 'Dulles:Chrome' }, function(err, data) {36 if (err) {37 console.log(err);38 } else {39 console.log(data);40 api.writeTxData(data.data.testId, 'my_test', 'my test data', function(err
Using AI Code Generation
1var wpt = require('./wpt.js');2var tx = 'This is a test transaction.';3var filename = 'test.tx';4wpt.write_tx(tx, filename, function(err) {5 if (err) {6 console.log('Error writing transaction to file.');7 } else {8 console.log('Transaction written to file.');9 }10});11filename = 'test.tx';12wpt.test_tx(filename, function(err, tx) {13 if (err) {14 console.log('Error testing transaction.');15 } else {16 console.log('Transaction tested.');17 console.log('Transaction: ' + tx);18 }19});20#### write_tx(tx, filename, callback)21#### test_tx(filename, callback)
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