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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/fragments.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/fragments.html')
| -rw-r--r-- | testing/web-platform/tests/resize-observer/fragments.html | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resize-observer/fragments.html b/testing/web-platform/tests/resize-observer/fragments.html new file mode 100644 index 0000000000..bba94db88e --- /dev/null +++ b/testing/web-platform/tests/resize-observer/fragments.html @@ -0,0 +1,115 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>ResizeObserver with multiple fragments</title> +<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com"> +<link rel="help" href="https://drafts.csswg.org/resize-observer-1/"> +<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3673"> +<meta name="assert" content="Tests ResizeObserver supports multiple fragments." /> + +<style> +#wrapper { + column-width: 100px; + width: max-content; + height: 100px; + margin: 10px; +} +#target { + outline: solid; + background: orange; +} +.w50 { + width: 50px; +} +.w75 { + width: 75px; +} +.h100 { + height: 100px; +} +.h150 { + height: 150px; +} +.h175 { + height: 175px; +} +</style> + +<div id="log"></div> + +<div id="wrapper"> + <div id="target"></div> +</div> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +const target = document.getElementById("target"); + +const nextSizes = (() => { + let callback = null; + new ResizeObserver((entries) => { + if (callback) { + callback(entries[0].contentBoxSize); + callback = null; + } + }).observe(target); + return () => { + if (callback) { + throw "Already awaiting another notification"; + } + return new Promise((resolve, reject) => { + callback = resolve; + requestAnimationFrame(() => { + requestAnimationFrame(() => { + reject("Missing ResizeObserver notification"); + callback = null; + }); + }); + }); + }; +})(); + +function checkSizes(className, expectedSizes, msg) { + promise_test(async () => { + await new Promise(requestAnimationFrame); + target.className = className; + let sizes; + try { + sizes = await nextSizes(); + } catch (error) { + assert_unreached(error); + } + assert_equals(sizes.length, expectedSizes.length, "number of fragments"); + for (let i = 0; i < sizes.length; ++i) { + assert_equals(sizes[i].inlineSize, expectedSizes[i][0], `fragment #${i+1} inline size`); + assert_equals(sizes[i].blockSize, expectedSizes[i][1], `fragment #${i+1} block size`); + } + }, msg); +} + +checkSizes( + "w50 h100", + [[50, 100]], + "Single fragment" +); +checkSizes( + "w50 h150", + [[50, 100], [50, 50]], + "Adding 2nd fragment" +); +checkSizes( + "w50 h175", + [[50, 100], [50, 75]], + "Resizing 2nd fragment" +); +checkSizes( + "w75 h175", + [[75, 100], [75, 75]], + "Resizing all fragments" +); +checkSizes( + "w75 h100", + [[75, 100]], + "Removing 2nd fragment" +); +</script> |