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Diffstat (limited to 'testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block-ref.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block-ref.html | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block-ref.html b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block-ref.html new file mode 100644 index 0000000000..40b72cf5ef --- /dev/null +++ b/testing/web-platform/tests/html/semantics/interactive-elements/the-dialog-element/top-layer-containing-block-ref.html @@ -0,0 +1,22 @@ +<!DOCTYPE html> +<html> +<head> +<link rel="stylesheet" href="resources/dialog.css"> +</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 class="pseudodialog" 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. +</div> +<div class="pseudodialog" 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. +</div> +<div class="pseudodialog" style="position: absolute; top: 250px; left: 0px; background-color: magenta"> + This dialog should be unaffected by its ancestor with opacity. +</div> +</body> +</html> |