forked from mirrors/gecko-dev
5b3d95fe9f
This should allow us to work on bug 1647356 and co again, and prevents undesired scrollbars like those from bug 1648265. It should also be more compatible (seems like my comment in https://github.com/w3c/csswg-drafts/issues/5260 still holds). Differential Revision: https://phabricator.services.mozilla.com/D206434
39 lines
1.1 KiB
JavaScript
39 lines
1.1 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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"use strict";
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const URL = `data:image/svg+xml,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="green"/></svg>`;
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function test_once() {
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return BrowserTestUtils.withNewTab(URL, async browser => {
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return await SpecialPowers.spawn(browser, [], async function () {
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const rect = content.document.documentElement.getBoundingClientRect();
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info(
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`${rect.width}x${rect.height}, ${content.innerWidth}x${content.innerHeight}`
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);
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is(
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Math.trunc(rect.height),
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content.innerHeight,
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"Should fill the viewport and not overflow"
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);
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});
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});
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}
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add_task(async function test_with_no_text_zoom() {
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await test_once();
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});
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add_task(async function test_with_text_zoom() {
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let dpi = window.devicePixelRatio;
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await SpecialPowers.pushPrefEnv({ set: [["ui.textScaleFactor", 200]] });
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Assert.greater(
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window.devicePixelRatio,
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dpi,
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"DPI should change as a result of the pref flip"
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);
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return test_once();
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});
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