summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/element-timing/observe-child-element.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/element-timing/observe-child-element.html
parentInitial commit. (diff)
downloadfirefox-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/element-timing/observe-child-element.html')
-rw-r--r--testing/web-platform/tests/element-timing/observe-child-element.html41
1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/observe-child-element.html b/testing/web-platform/tests/element-timing/observe-child-element.html
new file mode 100644
index 0000000000..c8071998c5
--- /dev/null
+++ b/testing/web-platform/tests/element-timing/observe-child-element.html
@@ -0,0 +1,41 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: do NOT observe elements from same-origin iframes</title>
+<body>
+<style>
+body {
+ margin: 0;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<script>
+ async_test((t) => {
+ assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
+ const observer = new PerformanceObserver(
+ t.step_func_done((entryList) => {
+ assert_unreached("Should not have received an entry!");
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ // We add the iframe during onload to be sure that the observer is registered
+ // in time for it to observe the element timing.
+ // TODO(npm): change observer to use buffered flag.
+ window.onload = () => {
+ // Add iframe with an image of width and height equal to 100.
+ const iframe = document.createElement('iframe');
+ iframe.src = 'resources/iframe-with-square.html';
+ iframe.onload = () => {
+ // After a short delay, assume that the entry was not dispatched to the
+ // parent frame.
+ t.step_timeout(() => {
+ t.done();
+ }, 100);
+ }
+ document.body.appendChild(iframe);
+ };
+ }, 'Element in child iframe is not observed, even if same-origin.');
+</script>
+
+</body>