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Diffstat (limited to 'testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block.html')
| -rw-r--r-- | testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block.html b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block.html new file mode 100644 index 0000000000..0886c2cd2c --- /dev/null +++ b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> +<html> +<head> +<link rel="match" href="top-layer-containing-block-ref.html"> +<link rel="help" href="https://fullscreen.spec.whatwg.org/#new-stacking-layer"> +<style> +::backdrop { + display: none; +} +</style> +</head> +<body> +<p> +This tests that a modal dialog's containing block is in the initial containing block and that it is unaffected by +ancestor elements with overflow or opacity. +<div style="position: absolute; top: 400px; opacity: 0.3"> + <dialog id="opaqueDialog" style="position: absolute; top: 250px; left: 0px; background-color: magenta; outline: none"> + This dialog should be unaffected by its ancestor with opacity. + </dialog> +</div> +<div style="position: absolute; overflow: hidden; width: 500px; height: 150px; top: 400px; left: 300px"> + <dialog id="unclippedDialog" style="position: absolute; top: 200px; left: 0px; height: 100px; background-color: cyan"> + This dialog should be unaffected by its ancestor with overflow. It should not be clipped. + </dialog> +</div> +<div style="position: absolute; top: 1000px; left: 1000px; width: 20px;"> + <dialog id="bottomDialog" style="position: absolute; top: 100px; height: 250px; width: 90%; background-color: yellow"> + This dialog should be onscreen with a width of 90% of the page. It is the child of an narrow element + positioned off screen, but the containing block of a top layer element is the initial containing block, so its + position and percent lengths are relative to that. + </dialog> +</div> +<script> +document.getElementById('bottomDialog').showModal(); +document.getElementById('unclippedDialog').showModal(); +document.getElementById('opaqueDialog').showModal(); +</script> +</body> +</html> |