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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html')
| -rw-r--r-- | testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html b/testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html new file mode 100644 index 0000000000..c844854e5c --- /dev/null +++ b/testing/web-platform/tests/resize-observer/multiple-observers-with-mutation-crash.html @@ -0,0 +1,49 @@ +<!doctype html> +<html class="test-wait"> +<!-- + This test is for crbug.com/1368458 which is a crash where we expected + up-to-date style&layout when delivering resize observations. We would crash + if a resize observer in one frame caused a modification in the presence of a + resize observer in another frame. +--> +<iframe id="iframe" style="border: none;" srcdoc=" + <!doctype html> + <style>body { margin: 0; }</style> + <div id='inner_element'>hello</div> + <script> + const resizeObserver = new ResizeObserver((entries) => { + const size = entries[0].borderBoxSize[0].inlineSize; + const event = new CustomEvent('onIframeResizeObserved', {detail: size}); + parent.document.dispatchEvent(event); + }); + resizeObserver.observe(inner_element); + </script> +"></iframe> +<div id="outer_element" style="width: 200px;">world</div> + +<script> + const onInnerElementInitialResize = (event) => { + // `inner_element` should result in an initial observation of width 300px. + window.document.removeEventListener( + 'onIframeResizeObserved', onInnerElementInitialResize, false); + + const resizeObserver = new ResizeObserver((entries) => { + // `outer_element` should result in an initial observation of width 200px. + + // Modify styles so that inner_element is resized. + iframe.contentDocument.body.style.width = "200px"; + }); + resizeObserver.observe(outer_element); + + const onInnerElementSecondResize = (event) => { + // `inner_element` should result in a second observation of width 100px. + + // Finish the test. + document.documentElement.classList.remove('test-wait'); + }; + window.document.addEventListener( + 'onIframeResizeObserved', onInnerElementSecondResize, false); + }; + window.document.addEventListener( + 'onIframeResizeObserved', onInnerElementInitialResize, false); +</script> |