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  • This test ran 585 times in the preceding 7 days with an average run time of 0.60 secs.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Tabs goBack and goForward Test</title>
<script
type="text/javascript"
src="/tests/SimpleTest/SimpleTest.js"
></script>
<script
type="text/javascript"
src="/tests/SimpleTest/ExtensionTestUtils.js"
></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script type="text/javascript">
"use strict";
add_task(async function test_tabs_goBack_goForward() {
const extension = ExtensionTestUtils.loadExtension({
useAddonManager: "permanent",
manifest: {
applications: {
gecko: { id: "goBack-goForward@tests.mozilla.org" },
},
permissions: ["tabs"],
},
files: {
"tab1.html": `<head>
<meta charset=UTF-8">
<title>tab1</title>
</head>`,
"tab2.html": `<head>
<meta charset=UTF-8">
<title>tab2</title>
</head>`,
},
async background() {
let tabUpdatedCount = 0;
let tab = {};
browser.tabs.onUpdated.addListener(
async (tabId, changeInfo, tabInfo) => {
if (
changeInfo.status !== "complete" ||
tabId !== tab.id ||
tabInfo.url === "about:blank"
) {
return;
}
tabUpdatedCount++;
switch (tabUpdatedCount) {
case 1:
browser.test.assertEq(
"tab1",
tabInfo.title,
"tab1 is found as expected"
);
browser.tabs.update(tabId, { url: "tab2.html" });
break;
case 2:
browser.test.assertEq(
"tab2",
tabInfo.title,
"tab2 is found as expected"
);
browser.tabs.update(tabId, { url: "tab1.html" });
break;
case 3:
browser.test.assertEq(
"tab1",
tabInfo.title,
"tab1 is found as expected"
);
browser.tabs.goBack();
break;
case 4:
browser.test.assertEq(
"tab2",
tabInfo.title,
"tab2 is found after navigating backward with empty parameter"
);
browser.tabs.goBack(tabId);
break;
case 5:
browser.test.assertEq(
"tab1",
tabInfo.title,
"tab1 is found after navigating backward with tabId as parameter"
);
browser.tabs.goForward();
break;
case 6:
browser.test.assertEq(
"tab2",
tabInfo.title,
"tab2 is found after navigating forward with empty parameter"
);
browser.tabs.goForward(tabId);
break;
case 7:
browser.test.assertEq(
"tab1",
tabInfo.title,
"tab1 is found after navigating forward with tabId as parameter"
);
await browser.tabs.remove(tabId);
browser.test.notifyPass("tabs.goBack.goForward");
break;
default:
break;
}
}
);
tab = await browser.tabs.create({ url: "tab1.html", active: true });
},
});
await extension.startup();
await extension.awaitFinish("tabs.goBack.goForward");
await extension.unload();
});
</script>
</body>
</html>