Best JavaScript code snippet using wpt
preload_helper.js
Source:preload_helper.js
...18}19// Verifies that the resource is loaded, but not downloaded from network20// more than once. This can be used to verify that a preloaded resource is21// not downloaded again when used.22function verifyLoadedAndNoDoubleDownload(url) {23 var entries = performance.getEntriesByName(getAbsoluteURL(url));24 // UA may create separate RT entries for preload and normal load,25 // so we just check (entries.length > 0).26 assert_greater_than(entries.length, 0, url + ' should be loaded');27 var numDownloads = 0;28 entries.forEach(entry => {29 // transferSize is zero if the resource is loaded from cache.30 if (entry.transferSize > 0) {31 numDownloads++;32 }33 });34 // numDownloads can be zero if the resource was already cached before running35 // the test (for example, when the test is running repeatedly without36 // clearing cache between runs)....
Using AI Code Generation
1var wpt = require('webpagetest');2 if (err) {3 console.log(err);4 } else {5 test.verifyLoadedAndNoDoubleDownload(data.data.testId, function(err, data) {6 if (err) {7 console.log(err);8 } else {9 console.log(data);10 }11 });12 }13});14{ data: { testId: '140928_6Z_1R',15 statusText: 'Ok' }
Using AI Code Generation
1wpt.verifyLoadedAndNoDoubleDownload();2wpt.verifyLoadedAndNoDoubleDownload();3wpt.verifyLoadedAndNoDoubleDownload();4wpt.verifyLoadedAndNoDoubleDownload();5wpt.verifyLoadedAndNoDoubleDownload();6wpt.verifyLoadedAndNoDoubleDownload();7wpt.verifyLoadedAndNoDoubleDownload();8wpt.verifyLoadedAndNoDoubleDownload();9wpt.verifyLoadedAndNoDoubleDownload();10wpt.verifyLoadedAndNoDoubleDownload();11wpt.verifyLoadedAndNoDoubleDownload();12wpt.verifyLoadedAndNoDoubleDownload();13wpt.verifyLoadedAndNoDoubleDownload();
Using AI Code Generation
1var wptDriver = require('./wptdriver.js');2var driver = wptDriver.getDriver();3driver.get(url);4wptDriver.verifyLoadedAndNoDoubleDownload(url, driver, function(result) {5 if (result) {6 console.log('Test passed');7 } else {8 console.log('Test failed');9 }10 driver.quit();11});
Using AI Code Generation
1verifyLoadedAndNoDoubleDownload();2verifyLoadedAndNoDoubleDownload();3verifyLoadedAndNoDoubleDownload();4verifyLoadedAndNoDoubleDownload();5verifyLoadedAndNoDoubleDownload();6verifyLoadedAndNoDoubleDownload();7verifyLoadedAndNoDoubleDownload();8verifyLoadedAndNoDoubleDownload();9verifyLoadedAndNoDoubleDownload();10verifyLoadedAndNoDoubleDownload();11verifyLoadedAndNoDoubleDownload();12verifyLoadedAndNoDoubleDownload();
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