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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/element-timing/retrievability.html | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/retrievability.html b/testing/web-platform/tests/element-timing/retrievability.html new file mode 100644 index 0000000000..cd2c2a956e --- /dev/null +++ b/testing/web-platform/tests/element-timing/retrievability.html @@ -0,0 +1,29 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Element Timing: 'element' entries are not accessible via performance timeline</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/element-timing-helpers.js"></script> +<script> + let img; + async_test(function (t) { + assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented"); + const beforeRender = performance.now(); + new PerformanceObserver( + t.step_func_done(function(entryList) { + assert_equals(entryList.getEntries().length, 1); + const entry = entryList.getEntries()[0]; + assert_equals(entry.entryType, 'element'); + assert_equals(entry.name, 'image-paint'); + + const entriesByName = performance.getEntriesByName('image-paint', 'element'); + const entriesByType = performance.getEntriesByType('element'); + const allEntries = performance.getEntries(); + assert_equals(entriesByName.length, 0, 'Element Timing entry should not be retrievable by getEntriesByName'); + assert_equals(entriesByType.length, 0, 'Element Timing entry should not be retrievable by getEntriesByType'); + assert_equals(allEntries.filter(e => e.entryType === 'element').length, 0, 'Element Timing entry should not be retrievable by getEntries'); + }) + ).observe({type: 'element', buffered: true}); + }, 'Element Timing entries are not accessible via performance.getEntries*'); +</script> +<img src='resources/square100.png' elementtiming='my_image' id='my_id'/> |