From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../test/forms/browser_selectpopup_width.js | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 browser/base/content/test/forms/browser_selectpopup_width.js (limited to 'browser/base/content/test/forms/browser_selectpopup_width.js') diff --git a/browser/base/content/test/forms/browser_selectpopup_width.js b/browser/base/content/test/forms/browser_selectpopup_width.js new file mode 100644 index 0000000000..d8f748fb18 --- /dev/null +++ b/browser/base/content/test/forms/browser_selectpopup_width.js @@ -0,0 +1,49 @@ +const PAGE = ` + + +`; + +function tick() { + return new Promise(r => + requestAnimationFrame(() => requestAnimationFrame(r)) + ); +} + +add_task(async function () { + const url = "data:text/html," + encodeURI(PAGE); + await BrowserTestUtils.withNewTab( + { + gBrowser, + url, + }, + async function (browser) { + let popup = await openSelectPopup("click"); + let arrowSB = popup.shadowRoot.querySelector(".menupopup-arrowscrollbox"); + is( + arrowSB.getBoundingClientRect().width, + 600, + "Should be the right size" + ); + + // Trigger a layout change that would cause us to layout the popup again, + // and change our menulist to be zero-size so that the anchor rect + // codepath is used. We should still use the anchor rect to expand our + // size. + await tick(); + + popup.closest("menulist").style.width = "0"; + popup.style.minWidth = "2px"; + + await tick(); + + is( + arrowSB.getBoundingClientRect().width, + 600, + "Should be the right size" + ); + } + ); +}); -- cgit v1.2.3