81 lines
2.4 KiB
JavaScript
81 lines
2.4 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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const URL =
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"data:text/html," +
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"<style> a:hover {background-color: black}</style>" +
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"<body style='width:100px;height:100px'>" +
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"<a href='http://www.example.com'>Click Me</a>" +
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"</body>";
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function isAnchorHovered(win) {
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return SpecialPowers.spawn(
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win.gBrowser.selectedBrowser,
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[],
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async function () {
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const a = content.document.querySelector("a");
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return a.matches(":hover");
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}
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);
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}
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add_task(async function test() {
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let newWin = await BrowserTestUtils.openNewBrowserWindow();
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// This bug is only reproducible if the cursor is out of the viewport, so
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// we resize the window to ensure the cursor is out of the viewport.
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// SynthesizeMouse isn't sufficient because it only synthesizes
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// mouse events without actually moving the cursor permanently to a
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// new location.
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newWin.resizeTo(50, 50);
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BrowserTestUtils.startLoadingURIString(newWin.gBrowser.selectedBrowser, URL);
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await BrowserTestUtils.browserLoaded(newWin.gBrowser.selectedBrowser);
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await SpecialPowers.spawn(
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newWin.gBrowser.selectedBrowser,
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[],
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async function () {
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const a = content.document.querySelector("a");
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await EventUtils.synthesizeMouseAtCenter(
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a,
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{ type: "mousemove" },
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content
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);
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}
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);
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// We've hovered the anchor element.
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let anchorHovered = await isAnchorHovered(newWin);
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ok(anchorHovered, "Anchor should be hovered");
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let locationChange = BrowserTestUtils.waitForLocationChange(newWin.gBrowser);
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// Click the anchor to navigate away
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await SpecialPowers.spawn(
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newWin.gBrowser.selectedBrowser,
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[],
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async function () {
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const a = content.document.querySelector("a");
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await EventUtils.synthesizeMouseAtCenter(
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a,
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{ type: "mousedown" },
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content
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);
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await EventUtils.synthesizeMouseAtCenter(a, { type: "mouseup" }, content);
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}
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);
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await locationChange;
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// Navigate back to the previous page which has the anchor
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locationChange = BrowserTestUtils.waitForLocationChange(newWin.gBrowser);
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newWin.gBrowser.selectedBrowser.goBack();
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await locationChange;
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// Hover state should be cleared upon page caching.
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anchorHovered = await isAnchorHovered(newWin);
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ok(!anchorHovered, "Anchor should not be hovered");
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BrowserTestUtils.closeWindow(newWin);
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});
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