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.round(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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