mozilla-central/browser/components/extensions/test/browser/browser_ext_tabs_discard.js (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
/* global gBrowser */
"use strict";
add_task(async function test_discarded() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["tabs"],
},
background: async function () {
let tabs = await browser.tabs.query({ currentWindow: true });
tabs.sort((tab1, tab2) => tab1.index - tab2.index);
async function finishTest() {
try {
await browser.tabs.discard(tabs[0].id);
await browser.tabs.discard(tabs[2].id);
browser.test.succeed(
"attempting to discard an already discarded tab or the active tab should not throw error"
);
} catch (e) {
browser.test.fail(
"attempting to discard an already discarded tab or the active tab should not throw error"
);
}
let discardedTab = await browser.tabs.get(tabs[2].id);
browser.test.assertEq(
false,
discardedTab.discarded,
"attempting to discard the active tab should not have succeeded"
);
await browser.test.assertRejects(
browser.tabs.discard(999999999),
/Invalid tab ID/,
"attempt to discard invalid tabId should throw"
);
await browser.test.assertRejects(
browser.tabs.discard([999999999, tabs[1].id]),
/Invalid tab ID/,
"attempt to discard a valid and invalid tabId should throw"
);
discardedTab = await browser.tabs.get(tabs[1].id);
browser.test.assertEq(
false,
discardedTab.discarded,
"tab is still not discarded"
);
browser.test.notifyPass("test-finished");
}
browser.tabs.onUpdated.addListener(async function (tabId, updatedInfo) {
if ("discarded" in updatedInfo) {
browser.test.assertEq(
tabId,
tabs[0].id,
"discarding tab triggered onUpdated"
);
let discardedTab = await browser.tabs.get(tabs[0].id);
browser.test.assertEq(
true,
discardedTab.discarded,
"discarded tab discard property"
);
await finishTest();
}
});
browser.tabs.discard(tabs[0].id);
},
});
BrowserTestUtils.startLoadingURIString(
gBrowser.browsers[0],
);
await BrowserTestUtils.browserLoaded(gBrowser.browsers[0]);
let tab1 = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
);
let tab2 = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
);
await extension.startup();
await extension.awaitFinish("test-finished");
await extension.unload();
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});