Source code
Revision control
Copy as Markdown
Other Tools
/* Any copyright is dedicated to the Public Domain.
"use strict";
// eslint-disable-next-line no-unused-vars
const perfMetadata = {
owner: "Accessibility Team",
name: "browser_removeManySpellingErrors.js",
description:
"Audit a11y performance when removing 500 spelling errors from content editable.",
options: {
default: {
extra_args: ["headless"],
manifest: "perftest.toml",
manifest_flavor: "browser-chrome",
perfherder: true,
perfherder_metrics: [
// Total time for the entire run (this probe is not process specific)
{ name: "A11Y_TotalTime", unit: "ms", shouldAlert: false },
//////////////// PARENT PROCESS
// Timing metrics
{ name: "A11Y_DoInitialUpdate_parent", unit: "ms", shouldAlert: false },
{
name: "A11Y_ProcessQueuedCacheUpdate_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedNode_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedAcc_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_PruneOrInsertSubtree_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ShutdownChildrenInSubtree_parent",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_ShowEvent_parent", unit: "ms", shouldAlert: false },
{ name: "A11Y_RecvCache_parent", unit: "ms", shouldAlert: false },
{
name: "A11Y_ProcessShowEvent_parent",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_CoalesceEvents_parent", unit: "ms", shouldAlert: false },
{
name: "A11Y_CoalesceMutationEvents_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ProcessHideEvent_parent",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_SendCache_parent", unit: "ms", shouldAlert: false },
{ name: "A11Y_WillRefresh_parent", unit: "ms", shouldAlert: false },
{
name: "A11Y_AccessibilityServiceInit_parent",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_PlatformShowHideEvent_parent",
unit: "ms",
shouldAlert: false,
},
// Occurrance metrics
{
name: "A11Y_DoInitialUpdate_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessQueuedCacheUpdate_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedNode_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedAcc_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_PruneOrInsertSubtree_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ShutdownChildrenInSubtree_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ShowEvent_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_RecvCache_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessShowEvent_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_CoalesceEvents_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_CoalesceMutationEvents_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessHideEvent_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_SendCache_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_WillRefresh_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_AccessibilityServiceInit_Count_parent",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_PlatformShowHideEvent_Count_parent",
unit: "iterations",
shouldAlert: false,
},
//////////////// CONTENT PROCESS
// Timing metrics
{
name: "A11Y_DoInitialUpdate_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ProcessQueuedCacheUpdate_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedNode_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedAcc_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_PruneOrInsertSubtree_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ShutdownChildrenInSubtree_content",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_ShowEvent_content", unit: "ms", shouldAlert: false },
{ name: "A11Y_RecvCache_content", unit: "ms", shouldAlert: false },
{
name: "A11Y_ProcessShowEvent_content",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_CoalesceEvents_content", unit: "ms", shouldAlert: false },
{
name: "A11Y_CoalesceMutationEvents_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_ProcessHideEvent_content",
unit: "ms",
shouldAlert: false,
},
{ name: "A11Y_SendCache_content", unit: "ms", shouldAlert: false },
{ name: "A11Y_WillRefresh_content", unit: "ms", shouldAlert: false },
{
name: "A11Y_AccessibilityServiceInit_content",
unit: "ms",
shouldAlert: false,
},
{
name: "A11Y_PlatformShowHideEvent_content",
unit: "ms",
shouldAlert: false,
},
// Occurrance metrics
{
name: "A11Y_DoInitialUpdate_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessQueuedCacheUpdate_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedNode_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ContentRemovedAcc_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_PruneOrInsertSubtree_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ShutdownChildrenInSubtree_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ShowEvent_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_RecvCache_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessShowEvent_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_CoalesceEvents_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_CoalesceMutationEvents_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_ProcessHideEvent_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_SendCache_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_WillRefresh_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_AccessibilityServiceInit_Count_content",
unit: "iterations",
shouldAlert: false,
},
{
name: "A11Y_PlatformShowHideEvent_Count_content",
unit: "iterations",
shouldAlert: false,
},
],
try_platform: ["linux", "mac", "win"],
verbose: true,
},
},
};
addAccessibleTask(
`<div id="editable" contenteditable></div>`,
async function testRemoveManySpellingErrors(browser) {
let changed = waitForEvent(EVENT_TEXT_ATTRIBUTE_CHANGED);
await invokeContentTask(browser, [], () => {
const editable = content.document.getElementById("editable");
for (let i = 0; i < 500; ++i) {
const p = content.document.createElement("p");
p.textContent = "tset tset tset";
editable.append(p);
}
editable.focus();
});
// Spell checking is async, so we need to wait for it to happen.
info("Waiting for spell check");
await changed;
await timeThis(async () => {
info("Removing all content from editable");
let reorder = waitForEvent(EVENT_REORDER, "editable");
await invokeContentTask(browser, [], () => {
content.document.getElementById("editable").innerHTML = "";
});
info("Waiting for reorder event");
await reorder;
});
}
);