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I did manual testing for ::-moz-dropdown-list. Unfortunately, the only way I know to test it is to have a combobox in a non-e10s window and dynamically change its background color, then drop down the dropdown and see whether it picked up the changed background color. MozReview-Commit-ID: B2RkW4otv4s
15 lines
418 B
HTML
15 lines
418 B
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<select style="width: 100px; overflow: hidden;">
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<option selected>Text that is long enough that it totally overflows<option>
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</select>
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<script>
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onload = function() {
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var s = document.querySelector("select");
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window.w = s.offsetWidth;
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s.style.textOverflow = "ellipsis";
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document.documentElement.className = "";
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}
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</script>
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</html>
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