mozilla-central/browser/modules/test/unit/test_TabUnloader.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
*/
"use strict";
const { TabUnloader } = ChromeUtils.importESModule(
"resource:///modules/TabUnloader.sys.mjs"
);
let TestTabUnloaderMethods = {
isNonDiscardable(tab, weight) {
return /\bselected\b/.test(tab.keywords) ? weight : 0;
},
isParentProcess(tab, weight) {
return /\bparent\b/.test(tab.keywords) ? weight : 0;
},
isPinned(tab, weight) {
return /\bpinned\b/.test(tab.keywords) ? weight : 0;
},
isLoading(tab, weight) {
return /\bloading\b/.test(tab.keywords) ? weight : 0;
},
usingPictureInPicture(tab, weight) {
return /\bpictureinpicture\b/.test(tab.keywords) ? weight : 0;
},
playingMedia(tab, weight) {
return /\bmedia\b/.test(tab.keywords) ? weight : 0;
},
usingWebRTC(tab, weight) {
return /\bwebrtc\b/.test(tab.keywords) ? weight : 0;
},
isPrivate(tab, weight) {
return /\bprivate\b/.test(tab.keywords) ? weight : 0;
},
getMinTabCount() {
// Use a low number for testing.
return 3;
},
getNow() {
return 100;
},
*iterateProcesses(tab) {
for (let process of tab.process.split(",")) {
yield Number(process);
}
},
async calculateMemoryUsage(processMap, tabs) {
let memory = tabs[0].memory;
for (let pid of processMap.keys()) {
processMap.get(pid).memory = memory ? memory[pid - 1] : 1;
}
},
};
let unloadTests = [
// Each item in the array represents one test. The test is a subarray
// containing an element per tab. This is a string of keywords that
// identify which criteria apply. The first part of the string may contain
// a number that represents the last visit time, where higher numbers
// are later. The last element in the subarray is special and identifies
// the expected order of the tabs sorted by weight. The first tab in
// this list is the one that is expected to selected to be discarded.
{ tabs: ["1 selected", "2", "3"], result: "1,2,0" },
{ tabs: ["1", "2 selected", "3"], result: "0,2,1" },
{ tabs: ["1 selected", "2", "3"], process: ["1", "2", "3"], result: "1,2,0" },
{
tabs: ["1 selected", "2 selected", "3 selected"],
process: ["1", "2", "3"],
result: "0,1,2",
},
{
tabs: ["1 selected", "2", "3"],
process: ["1,2,3", "2", "3"],
result: "1,2,0",
},
{
tabs: ["9", "8", "6", "5 selected", "2", "3", "4", "1"],
result: "7,4,5,6,2,1,0,3",
},
{
tabs: ["9", "8 pinned", "6", "5 selected", "2", "3 pinned", "4", "1"],
result: "7,4,6,2,0,5,1,3",
},
{
tabs: [
"9",
"8 pinned",
"6",
"5 selected pinned",
"2",
"3 pinned",
"4",
"1",
],
result: "7,4,6,2,0,5,1,3",
},
{
tabs: [
"9",
"8 pinned",
"6",
"5 selected pinned",
"2",
"3 selected pinned",
"4",
"1",
],
result: "7,4,6,2,0,1,5,3",
},
{
tabs: ["1", "2 selected", "3", "4 media", "5", "6"],
result: "0,2,4,5,1,3",
},
{
tabs: ["1 media", "2 selected media", "3", "4 media", "5", "6"],
result: "2,4,5,0,3,1",
},
{
tabs: ["1 media", "2 media pinned", "3", "4 media", "5 pinned", "6"],
result: "2,5,4,0,3,1",
},
{
tabs: [
"1 media",
"2 media pinned",
"3",
"4 media",
"5 media pinned",
"6 selected",
],
result: "2,0,3,5,1,4",
},
{
tabs: [
"10 selected",
"20 private",
"30 webrtc",
"40 pictureinpicture",
"50 loading pinned",
"60",
],
result: "5,4,0,1,2,3",
},
{
// Since TestTabUnloaderMethods.getNow() returns 100 and the test
// passes minInactiveDuration = 0 to TabUnloader.getSortedTabs(),
// tab 200 and 300 are excluded from the result.
tabs: ["300", "10", "50", "100", "200"],
result: "1,2,3",
},
{
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1", "2", "1", "1", "1", "1"],
result: "1,0,2,3,4,5",
},
{
tabs: ["1", "2 selected", "3", "4", "5", "6"],
process: ["1", "2", "1", "1", "1", "1"],
result: "0,2,3,4,5,1",
},
{
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1", "2", "2", "1", "1", "1"],
result: "0,1,2,3,4,5",
},
{
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1", "2", "3", "1", "1", "1"],
result: "1,0,2,3,4,5",
},
{
tabs: ["1", "2 media", "3", "4", "5", "6"],
process: ["1", "2", "3", "1", "1", "1"],
result: "2,0,3,4,5,1",
},
{
tabs: ["1", "2 media", "3", "4", "5", "6"],
process: ["1", "2", "3", "1", "1,2,3", "1"],
result: "0,2,3,4,5,1",
},
{
tabs: ["1", "2 media", "3", "4", "5", "6"],
process: ["1", "2", "3", "1", "1,4,5", "1"],
result: "2,0,3,4,5,1",
},
{
tabs: ["1", "2 media", "3 media", "4", "5 media", "6"],
process: ["1", "2", "3", "1", "1,4,5", "1"],
result: "0,3,5,1,2,4",
},
{
tabs: ["1", "2 media", "3 media", "4", "5 media", "6"],
process: ["1", "1", "3", "1", "1,4,5", "1"],
result: "0,3,5,1,2,4",
},
{
tabs: ["1", "2 media", "3 media", "4", "5 media", "6"],
process: ["1", "2", "3", "4", "1,4,5", "5"],
result: "0,3,5,1,2,4",
},
{
tabs: ["1", "2 media", "3 media", "4", "5 media", "6"],
process: ["1", "1", "3", "4", "1,4,5", "5"],
result: "0,3,5,1,2,4",
},
{
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1", "1", "1", "2", "1,3,4,5,6,7,8", "1"],
result: "0,1,2,3,4,5",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1", "1", "1", "2", "1,3,4,5,6,7,8", "1", "1", "1"],
result: "4,0,3,1,2,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5 selected", "6"],
process: ["1", "1", "1", "2", "1,3,4,5,6,7,8", "1"],
result: "0,1,2,3,5,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6"],
process: ["1", "1", "1", "2", "1,3,4,5,6,7,8", "1"],
result: "0,1,2,3,5,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1", "2", "1,3,4,5,6,7,8", "1", "1", "1"],
result: "0,3,1,2,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1,3,4,5,6,7,8", "1", "1", "1", "1", "1", "1"],
result: "1,0,2,3,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1,3,4,5,6,7,8", "1", "1", "1", "1", "1"],
result: "2,0,1,3,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1,1,1,1,1,1,1", "1", "1", "1", "1,1,1,1,1", "1"],
result: "0,1,2,3,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1,2,3,4,5", "1", "1", "1", "1,2,3,4,5", "1"],
result: "0,1,2,3,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1,6", "1", "1", "1", "1,2,3,4,5", "1"],
result: "0,2,1,3,5,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1", "1", "1,6", "1,7", "1,8", "1,9", "1,2,3,4,5", "1"],
result: "2,3,0,5,1,6,7,4",
},
{
tabs: ["1", "2", "3", "4", "5 media", "6", "7", "8"],
process: ["1,10,11", "1", "1,2", "1,7", "1,8", "1,9", "1,2,3,4,5", "1"],
result: "0,3,1,5,2,6,7,4",
},
{
tabs: [
"1 media",
"2 media",
"3 media",
"4 media",
"5 media",
"6",
"7",
"8",
],
process: ["1,10,11", "1", "1,2", "1,7", "1,8", "1,9", "1,2,3,4,5", "1"],
result: "6,5,7,0,1,2,3,4",
},
{
tabs: ["1", "2", "3"],
process: ["1", "2", "3"],
memory: ["100", "200", "300"],
result: "0,1,2",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
process: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
memory: [
"100",
"200",
"300",
"400",
"500",
"600",
"700",
"800",
"900",
"1000",
],
result: "0,1,2,3,4,5,6,7,8,9",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
process: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
memory: [
"100",
"900",
"300",
"500",
"400",
"700",
"600",
"1000",
"200",
"200",
],
result: "1,0,2,3,5,4,6,7,8,9",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
process: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"],
memory: [
"1000",
"900",
"300",
"500",
"400",
"1000",
"600",
"1000",
"200",
"200",
],
result: "0,1,2,3,5,4,6,7,8,9",
},
{
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1", "2,7", "3", "4", "5", "6"],
memory: ["100", "200", "300", "400", "500", "600", "700"],
result: "1,0,2,3,4,5",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1,6", "2,7", "3,8", "4,1,2", "5", "6", "7", "8"],
memory: ["100", "200", "300", "400", "500", "600", "700", "800"],
result: "2,3,0,1,4,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1", "1", "1", "2", "1", "1", "1", "1"],
memory: ["700", "1000"],
result: "0,3,1,2,4,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1", "1", "1", "1", "2,1", "2,1", "3", "3"],
memory: ["1000", "2000", "3000"],
result: "0,1,2,4,3,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["2", "2", "2", "2", "2,1", "2,1", "3", "3"],
memory: ["1000", "600", "1000"],
result: "0,1,2,4,3,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1", "1", "1", "2", "2,1,1,1", "2,1", "3", "3"],
memory: ["1000", "1800", "1000"],
result: "0,1,3,2,4,5,6,7",
},
{
tabs: ["1", "2", "3", "4", "5", "6", "7", "8"],
process: ["1", "1", "1", "2", "2,1,1,1", "2,1", "3", "3"],
memory: ["4000", "1800", "1000"],
result: "0,1,2,4,3,5,6,7",
},
{
// The tab "1" contains 4 frames, but its uniqueCount is 1 because
// all of those frames are backed by the process "1". As a result,
// TabUnloader puts the tab "1" first based on the last access time.
tabs: ["1", "2", "3", "4", "5"],
process: ["1,1,1,1", "2", "3", "3", "3"],
memory: ["100", "100", "100"],
result: "0,1,2,3,4",
},
{
// The uniqueCount of the tab "1", "2", and "3" is 1, 2, and 3,
// respectively. As a result the first three tabs are sorted as 2,1,0.
tabs: ["1", "2", "3", "4", "5", "6"],
process: ["1,7,1,7,1,1,7,1", "7,3,7,2", "4,5,7,4,6,7", "7", "7", "7"],
memory: ["100", "100", "100", "100", "100", "100", "100"],
result: "2,1,0,3,4,5",
},
];
let globalBrowser = {
discardBrowser() {
return true;
},
};
add_task(async function doTests() {
for (let test of unloadTests) {
function* iterateTabs() {
let tabs = test.tabs;
for (let t = 0; t < tabs.length; t++) {
let tab = {
tab: {
originalIndex: t,
lastAccessed: Number(/^[0-9]+/.exec(tabs[t])[0]),
keywords: tabs[t],
process: "process" in test ? test.process[t] : "1",
},
memory: test.memory,
gBrowser: globalBrowser,
};
yield tab;
}
}
TestTabUnloaderMethods.iterateTabs = iterateTabs;
let expectedOrder = "";
const sortedTabs = await TabUnloader.getSortedTabs(
0,
TestTabUnloaderMethods
);
for (let tab of sortedTabs) {
if (expectedOrder) {
expectedOrder += ",";
}
expectedOrder += tab.tab.originalIndex;
}
Assert.equal(expectedOrder, test.result);
}
});