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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/base/content/test/forms/browser_selectpopup_width.js | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | browser/base/content/test/forms/browser_selectpopup_width.js | 49 |
1 files changed, 49 insertions, 0 deletions
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 = ` +<!doctype html> +<select style="width: 600px"> + <option>ABC</option> + <option>DEFG</option> +</select> +`; + +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" + ); + } + ); +}); |