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Diffstat (limited to '')
-rw-r--r-- | dom/html/test/browser_ImageDocument_svg_zoom.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/dom/html/test/browser_ImageDocument_svg_zoom.js b/dom/html/test/browser_ImageDocument_svg_zoom.js new file mode 100644 index 0000000000..49e0fe410c --- /dev/null +++ b/dom/html/test/browser_ImageDocument_svg_zoom.js @@ -0,0 +1,38 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"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.round(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]] }); + ok( + window.devicePixelRatio > dpi, + "DPI should change as a result of the pref flip" + ); + + return test_once(); +}); |