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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /layout/reftests/meta-viewport/min-scale-aspect-ratio.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/layout/reftests/meta-viewport/min-scale-aspect-ratio.html b/layout/reftests/meta-viewport/min-scale-aspect-ratio.html
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+++ b/layout/reftests/meta-viewport/min-scale-aspect-ratio.html
@@ -0,0 +1,41 @@
+<html class="reftest-wait">
+<meta name="viewport" content="width=device-width minimum-scale=0.25 initial-scale=1.0">
+<style>
+ html, body {
+ margin: 0;
+ width: 100%;
+ height: 100%;
+ scrollbar-width: none;
+ }
+ div {
+ position: absolute;
+ }
+ .B {
+ width: 200%;
+ height: 400%;
+ background: white;
+ }
+ .C {
+ width: 200%;
+ height: 200%;
+ background: green;
+ }
+</style>
+<div class="B"></div>
+<div class="C"></div>
+<script>
+document.addEventListener('MozReftestInvalidate', () => {
+ // The page here is twice the width of the ICB, and four times the height.
+ // We want the layout viewport to be expanded to be twice the width and
+ // height of the ICB (to maintain aspect ratio), rather than four times the
+ // height.
+ // To test this, scroll to the end of the layout scroll range.
+ // If the layout viewport is expanded too much, we have no layout scroll
+ // range, so nothing will happen, and a green area will remain in view.
+ // If the layout viewport is expanded to the desired size, a white area
+ // will be scrolled into view, matching the reference page.
+ window.scrollTo(window.scrollMaxX, window.scrollMaxY);
+ document.documentElement.classList.remove('reftest-wait');
+});
+</script>
+</html>