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Diffstat (limited to 'testing/web-platform/tests/css/css-scoping/whitespace-crash-001.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scoping/whitespace-crash-001.html | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scoping/whitespace-crash-001.html b/testing/web-platform/tests/css/css-scoping/whitespace-crash-001.html new file mode 100644 index 0000000000..d3b4a8a4ad --- /dev/null +++ b/testing/web-platform/tests/css/css-scoping/whitespace-crash-001.html @@ -0,0 +1,32 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Scoping: Dynamic shadow root creation and whitespace optimization crash.</title> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="help" href="https://drafts.csswg.org/css-scoping/#selectors-data-model"> +<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1465572"> +<link rel="match" href="reference/green-box.html"/> +<p>Test passes if you see a single 100px by 100px green box below.</p> +<!-- + It's important for the test-case that there's whitespace inside the host, + and that it's not assigned to any slot. +--> +<div id="host"> + <div style="display: inline" slot="the-slot"></div> +</div> +<script> + // Flush layout before creating a ShadowRoot, so that the whitespace ends up + // suppressed. + document.body.offsetTop; + host.attachShadow({ mode: "open" }).innerHTML = ` + <style> + ::slotted(div) { + width: 100px; + height: 100px; + background: green; + } + </style> + <slot name="the-slot"></slot> + `; + document.body.offsetTop; + host.firstElementChild.style.display = "block"; // or anything else that reframes the <div>. +</script> |