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Test Info:
- Manifest: dom/html/test/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
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>`;
function test_once() {
return BrowserTestUtils.withNewTab(URL, async browser => {
return await SpecialPowers.spawn(browser, [], async function () {
const rect = content.document.documentElement.getBoundingClientRect();
info(
`${rect.width}x${rect.height}, ${content.innerWidth}x${content.innerHeight}`
);
is(
Math.trunc(rect.height),
content.innerHeight,
"Should fill the viewport and not overflow"
);
});
});
}
add_task(async function test_with_no_text_zoom() {
await test_once();
});
add_task(async function test_with_text_zoom() {
let dpi = window.devicePixelRatio;
await SpecialPowers.pushPrefEnv({ set: [["ui.textScaleFactor", 200]] });
Assert.greater(
window.devicePixelRatio,
dpi,
"DPI should change as a result of the pref flip"
);
return test_once();
});