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Diffstat (limited to '')
-rw-r--r-- | docshell/test/browser/browser_browsing_context_attached.js | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_browsing_context_attached.js b/docshell/test/browser/browser_browsing_context_attached.js new file mode 100644 index 0000000000..60ef5e4aa6 --- /dev/null +++ b/docshell/test/browser/browser_browsing_context_attached.js @@ -0,0 +1,179 @@ +"use strict"; + +const TEST_PATH = + getRootDirectory(gTestPath).replace( + "chrome://mochitests/content", + // eslint-disable-next-line @microsoft/sdl/no-insecure-url + "http://example.com" + ) + "dummy_page.html"; + +const TOPIC = "browsing-context-attached"; + +async function observeAttached(callback) { + let attached = new Map(); + + function observer(subject, topic, data) { + is(topic, TOPIC, "observing correct topic"); + ok(BrowsingContext.isInstance(subject), "subject to be a BrowsingContext"); + is(typeof data, "string", "data to be a String"); + info(`*** bc id=${subject.id}, why=${data}`); + attached.set(subject.id, { browsingContext: subject, why: data }); + } + + Services.obs.addObserver(observer, TOPIC); + try { + await callback(); + return attached; + } finally { + Services.obs.removeObserver(observer, TOPIC); + } +} + +add_task(async function toplevelForNewWindow() { + let win; + + let attached = await observeAttached(async () => { + win = await BrowserTestUtils.openNewBrowserWindow(); + }); + + ok( + attached.has(win.browsingContext.id), + "got notification for window's chrome browsing context" + ); + is( + attached.get(win.browsingContext.id).why, + "attach", + "expected reason for chrome browsing context" + ); + + ok( + attached.has(win.gBrowser.selectedBrowser.browsingContext.id), + "got notification for toplevel browsing context" + ); + is( + attached.get(win.gBrowser.selectedBrowser.browsingContext.id).why, + "attach", + "expected reason for toplevel browsing context" + ); + + await BrowserTestUtils.closeWindow(win); +}); + +add_task(async function toplevelForNewTab() { + let tab; + + let attached = await observeAttached(async () => { + tab = await BrowserTestUtils.openNewForegroundTab(gBrowser); + }); + + ok( + !attached.has(window.browsingContext.id), + "no notification for the current window's chrome browsing context" + ); + ok( + attached.has(tab.linkedBrowser.browsingContext.id), + "got notification for toplevel browsing context" + ); + is( + attached.get(tab.linkedBrowser.browsingContext.id).why, + "attach", + "expected reason for toplevel browsing context" + ); + + BrowserTestUtils.removeTab(tab); +}); + +add_task(async function subframe() { + let browsingContext; + let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser); + + let attached = await observeAttached(async () => { + browsingContext = await SpecialPowers.spawn(tab.linkedBrowser, [], () => { + let iframe = content.document.createElement("iframe"); + content.document.body.appendChild(iframe); + iframe.contentWindow.location = "https://example.com/"; + return iframe.browsingContext; + }); + }); + + ok( + !attached.has(window.browsingContext.id), + "no notification for the current window's chrome browsing context" + ); + ok( + !attached.has(tab.linkedBrowser.browsingContext.id), + "no notification for toplevel browsing context" + ); + ok( + attached.has(browsingContext.id), + "got notification for frame's browsing context" + ); + is( + attached.get(browsingContext.id).why, + "attach", + "expected reason for frame's browsing context" + ); + + BrowserTestUtils.removeTab(tab); +}); + +add_task(async function toplevelReplacedBy() { + let tab; + + let attached = await observeAttached(async () => { + tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, "about:robots"); + }); + + const firstContext = tab.linkedBrowser.browsingContext; + ok( + attached.has(firstContext.id), + "got notification for initial toplevel browsing context" + ); + is( + attached.get(firstContext.id).why, + "attach", + "expected reason for initial toplevel browsing context" + ); + + attached = await observeAttached(async () => { + await loadURI(TEST_PATH); + }); + const secondContext = tab.linkedBrowser.browsingContext; + ok( + attached.has(secondContext.id), + "got notification for replaced toplevel browsing context" + ); + isnot(secondContext, firstContext, "browsing context to be replaced"); + is( + attached.get(secondContext.id).why, + "replace", + "expected reason for replaced toplevel browsing context" + ); + is( + secondContext.browserId, + firstContext.browserId, + "browserId has been kept" + ); + + attached = await observeAttached(async () => { + await loadURI("about:robots"); + }); + const thirdContext = tab.linkedBrowser.browsingContext; + ok( + attached.has(thirdContext.id), + "got notification for replaced toplevel browsing context" + ); + isnot(thirdContext, secondContext, "browsing context to be replaced"); + is( + attached.get(thirdContext.id).why, + "replace", + "expected reason for replaced toplevel browsing context" + ); + is( + thirdContext.browserId, + secondContext.browserId, + "browserId has been kept" + ); + + BrowserTestUtils.removeTab(tab); +}); |