| var TEST_ALLOWED_TIMING_DELTA = 20; |
| |
| var waitTimer; |
| var expectedEntries = {}; |
| |
| var initiatorTypes = ["iframe", "img", "link", "script", "xmlhttprequest"]; |
| |
| var tests = {}; |
| setup(function() { |
| for (var i in initiatorTypes) { |
| var type = initiatorTypes[i]; |
| tests[type] = { |
| "entry": async_test("window.performance.getEntriesByName() and window.performance.getEntriesByNameType() return same data (" + type + ")"), |
| "simple_attrs": async_test("PerformanceEntry has correct name, initiatorType, startTime, and duration (" + type + ")"), |
| "timing_attrs": async_test("PerformanceEntry has correct order of timing attributes (" + type + ")") |
| }; |
| } |
| }); |
| |
| function resolve(path) { |
| var a = document.createElement("a"); |
| a.href = path; |
| return a.href; |
| } |
| |
| onload = function() |
| { |
| // check that the Performance Timeline API exists |
| test(function() { |
| assert_idl_attribute(window.performance, "getEntriesByName", |
| "window.performance.getEntriesByName() is defined"); |
| }); |
| test(function() { |
| assert_idl_attribute(window.performance, "getEntriesByType", |
| "window.performance.getEntriesByType() is defined"); |
| }); |
| test(function() { |
| assert_idl_attribute(window.performance, "getEntries", |
| "window.performance.getEntries() is defined"); |
| }); |
| |
| var expected_entry; |
| var url; |
| var type; |
| var startTime; |
| var element; |
| for (var i in initiatorTypes) { |
| startTime = window.performance.now(); |
| type = initiatorTypes[i]; |
| if (type != "xmlhttprequest") { |
| element = document.createElement(type); |
| } else { |
| element = null; |
| } |
| switch (type) { |
| case "iframe": |
| url = resolve("resources/resource_timing_test0.html"); |
| element.src = url; |
| break; |
| case "img": |
| url = resolve("resources/resource_timing_test0.png"); |
| element.src = url; |
| break; |
| case "link": |
| element.rel = "stylesheet"; |
| url = resolve("resources/resource_timing_test0.css"); |
| element.href = url; |
| break; |
| case "script": |
| element.type = "text/javascript"; |
| url = resolve("resources/resource_timing_test0.js"); |
| element.src = url; |
| break; |
| case "xmlhttprequest": |
| var xmlhttp = new XMLHttpRequest(); |
| url = resolve("resources/resource_timing_test0.xml"); |
| xmlhttp.open('GET', url, true); |
| xmlhttp.send(); |
| break; |
| } |
| |
| expected_entry = {name:url, |
| startTime: startTime, |
| initiatorType: type}; |
| |
| switch (type) { |
| case "link": |
| poll_for_stylesheet_load(expected_entry); |
| document.body.appendChild(element); |
| break; |
| case "xmlhttprequest": |
| xmlhttp.onload = (function(entry) { |
| return function (event) { |
| resource_load(entry); |
| }; |
| })(expected_entry); |
| break; |
| default: |
| element.onload = (function(entry) { |
| return function (event) { |
| resource_load(entry); |
| }; |
| })(expected_entry); |
| document.body.appendChild(element); |
| } |
| |
| } |
| }; |
| |
| function poll_for_stylesheet_load(expected_entry) { |
| function inner() { |
| for(var i=0; i<document.styleSheets.length; i++) { |
| var sheet = document.styleSheets[i]; |
| if (sheet.href === expected_entry.name) { |
| try { |
| // try/catch avoids throwing if sheet object exists before it is loaded, |
| // which is a bug, but not what we are trying to test here. |
| var hasRules = sheet.cssRules.length > 0; |
| } catch(e) { |
| hasRules = false; |
| } |
| if (hasRules) { |
| setTimeout(function() { |
| resource_load(expected_entry); |
| }, 200); |
| return; |
| } |
| } |
| } |
| setTimeout(inner, 100); |
| } |
| inner(); |
| } |
| |
| function resource_load(expected) |
| { |
| var t = tests[expected.initiatorType]; |
| |
| t["entry"].step(function() { |
| var entries_by_name = window.performance.getEntriesByName(expected.name); |
| assert_equals(entries_by_name.length, 1, "should have a single entry for each resource (without type)"); |
| var entries_by_name_type = window.performance.getEntriesByName(expected.name, "resource"); |
| assert_equals(entries_by_name_type.length, 1, "should have a single entry for each resource (with type)"); |
| assert_not_equals(entries_by_name, entries_by_name_type, "values should be copies"); |
| for (p in entries_by_name[0]) { |
| assert_equals(entries_by_name[0][p], entries_by_name_type[0][p], "Property " + p + " should match"); |
| } |
| this.done(); |
| }); |
| |
| t["simple_attrs"].step(function() { |
| var actual = window.performance.getEntriesByName(expected.name)[0]; |
| var expected_type = expected.initiatorType; |
| assert_equals(actual.name, expected.name); |
| assert_equals(actual.initiatorType, expected_type); |
| assert_equals(actual.entryType, "resource"); |
| assert_greater_than_equal(actual.startTime, expected.startTime, "startTime is after the script to initiate the load ran"); |
| assert_equals(actual.duration, (actual.responseEnd - actual.startTime)); |
| this.done(); |
| }); |
| |
| t["timing_attrs"].step(function test() { |
| var actual = window.performance.getEntriesByName(expected.name)[0]; |
| assert_equals(actual.redirectStart, 0, "redirectStart time"); |
| assert_equals(actual.redirectEnd, 0, "redirectEnd time"); |
| assert_true(actual.secureConnectionStart == undefined || |
| actual.secureConnectionStart == 0, "secureConnectionStart time"); |
| assert_equals(actual.fetchStart, actual.startTime, "fetchStart is equal to startTime"); |
| assert_greater_than_equal(actual.domainLookupStart, actual.fetchStart, "domainLookupStart after fetchStart"); |
| assert_greater_than_equal(actual.domainLookupEnd, actual.domainLookupStart, "domainLookupEnd after domainLookupStart"); |
| assert_greater_than_equal(actual.connectStart, actual.domainLookupEnd, "connectStart after domainLookupEnd"); |
| assert_greater_than_equal(actual.connectEnd, actual.connectStart, "connectEnd after connectStart"); |
| assert_greater_than_equal(actual.requestStart, actual.connectEnd, "requestStart after connectEnd"); |
| assert_greater_than_equal(actual.responseStart, actual.requestStart, "responseStart after requestStart"); |
| assert_greater_than_equal(actual.responseEnd, actual.responseStart, "responseEnd after responseStart"); |
| this.done(); |
| }); |
| |
| } |