summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html')
-rw-r--r--testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html48
1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html b/testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html
new file mode 100644
index 0000000000..c02ea24052
--- /dev/null
+++ b/testing/web-platform/tests/paint-timing/with-first-paint/paint-visited.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<style>
+ a:visited {
+ color:white;
+ }
+</style>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<a id="link" href="./">link</a>
+<script>
+/* This test ensures that an empty page is painted when there is an invisible visited link (that
+would be visible if the link was not visited). It's necessary that whether the page is painted or
+not does not depend on visitedness of the link. Otherwise the paint-timing API could be used to
+sniff whether a link has been visited or not. */
+window.onload = function() {
+ /* Convenience helper to get the link into the browsing history.
+ Using a relative path because some browsers only allow replaceState within the same domain. */
+ current_url = window.location.href;
+ history.replaceState({}, "", "./");
+ history.replaceState({}, "", current_url);
+}
+setup({"hide_test_state": true});
+async_test(function(t) {
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ function testPaintEntries() {
+ const bufferedEntries = performance.getEntriesByType('paint');
+ if (bufferedEntries.length < 2) {
+ t.step_timeout(function() {
+ testPaintEntries();
+ }, 20);
+ return;
+ }
+ t.step(function() {
+ assert_equals(bufferedEntries.length, 2, "FP and FCP.");
+ assert_equals(bufferedEntries[0].entryType, "paint");
+ assert_equals(bufferedEntries[0].name, "first-paint");
+ assert_equals(bufferedEntries[1].entryType, "paint");
+ assert_equals(bufferedEntries[1].name, "first-contentful-paint");
+ t.done();
+ });
+ }
+ t.step(function() {
+ testPaintEntries();
+ });
+}, "Visited-attack test to check existence of FP and FCP.");
+</script>
+</body>