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Diffstat (limited to '')
| -rw-r--r-- | layout/reftests/async-scrolling/position-fixed-in-scroll-container.html | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/layout/reftests/async-scrolling/position-fixed-in-scroll-container.html b/layout/reftests/async-scrolling/position-fixed-in-scroll-container.html new file mode 100644 index 0000000000..0874aa67a5 --- /dev/null +++ b/layout/reftests/async-scrolling/position-fixed-in-scroll-container.html @@ -0,0 +1,50 @@ +<!DOCTYPE html> +<html reftest-async-scroll> +<!-- In this test, the div |fixed| is fixed with respect to the + page's root scroll frame, but there's also a subframe |scrollbox| + which is async-scrolled and which generates a container layer + (because of the opacity), so that its async transform is on an + ancestor layer of |fixed|'s layer. We are testing that this + async transform is correctly unapplied to keep |fixed| fixed. --> +<style> + +body { + height: 10000px; +} + +.outer-opacity { + opacity: 0.8; +} + +.scrollbox { + border: 1px solid black; + width: 200px; + height: 400px; + overflow: scroll; + scrollbar-width: none; +} + +.inner-opacity { + height: 1000px; + opacity: 0.8; +} + +.fixed { + background: blue; + width: 100px; + height: 100px; + position: fixed; +} + +</style> +<div class="outer-opacity"> + <div class="scrollbox" + reftest-displayport-x="0" reftest-displayport-y="0" + reftest-displayport-w="200" reftest-displayport-h="1000" + reftest-async-scroll-x="0" reftest-async-scroll-y="50"> + <div class="inner-opacity"> + <div class="fixed"></div> + </div> + </div> +</div> +</html> |