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48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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add_setup(async function () {
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await SpecialPowers.pushPrefEnv({
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set: [["test.wait300msAfterTabSwitch", true]],
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});
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});
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/**
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* Ensure that document wireframes are persisted when enabled,
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* and that we can generate previews for them.
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*/
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add_task(async function thumbnails_wireframe_basic() {
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// Wireframes only works when Fission is enabled.
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if (!Services.appinfo.fissionAutostart) {
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ok(true, "Skipping test_wireframes when Fission is not enabled.");
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return;
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}
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await SpecialPowers.pushPrefEnv({
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set: [["browser.history.collectWireframes", true]],
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});
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let tab = await BrowserTestUtils.openNewForegroundTab(
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gBrowser,
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"https://www.example.com/"
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);
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await TabStateFlusher.flush(tab.linkedBrowser);
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info("Checking a loaded tab");
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checkWireframeForTab(tab);
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await BrowserTestUtils.switchTab(gBrowser, gBrowser.tabs[0]);
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gBrowser.discardBrowser(tab, true);
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info("Checking a discarded tab");
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checkWireframeForTab(tab);
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gBrowser.removeTab(tab);
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});
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function checkWireframeForTab(tab) {
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let wireframe = PageWireframes.getWireframeState(tab);
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ok(wireframe, "After load: Got wireframe state");
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Assert.greater(wireframe.rects.length, 0, "After load: Got wireframe rects");
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let wireframeElement = PageWireframes.getWireframeElementForTab(tab);
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is(wireframeElement.tagName, "svg", "Got wireframe element");
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}
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