diff options
Diffstat (limited to 'testing/web-platform/tests/resize-observer/calculate-depth-for-node.html')
-rw-r--r-- | testing/web-platform/tests/resize-observer/calculate-depth-for-node.html | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resize-observer/calculate-depth-for-node.html b/testing/web-platform/tests/resize-observer/calculate-depth-for-node.html new file mode 100644 index 0000000000..339e52bb79 --- /dev/null +++ b/testing/web-platform/tests/resize-observer/calculate-depth-for-node.html @@ -0,0 +1,26 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" href="https://drafts.csswg.org/resize-observer/#calculate-depth-for-node"> +<body> +<div id="host"></div> +<script> +let didSeeError = false; +window.onerror = (message, source, lineno, colno, error) => { + didSeeError = true; +} + +async_test(t => { + let host = document.querySelector('#host'); + let observer = new ResizeObserver(t.step_func(() => { + let root = host.attachShadow({mode:'open'}); + let child = root.appendChild(document.createElement('div')); + new ResizeObserver(() => {}).observe(child); + requestAnimationFrame(t.step_func_done(() => { assert_false(didSeeError); })); + })); + observer.observe(host); +}, '"Calculate depth for node" algorithm with Shadow DOM'); + + +</script> +</body> |