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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/fetch/stale-while-revalidate/stale-css.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/fetch/stale-while-revalidate/stale-css.html')
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diff --git a/testing/web-platform/tests/fetch/stale-while-revalidate/stale-css.html b/testing/web-platform/tests/fetch/stale-while-revalidate/stale-css.html
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+++ b/testing/web-platform/tests/fetch/stale-while-revalidate/stale-css.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Tests Stale While Revalidate works for css</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<body>
+<script>
+
+var request_token = token();
+let link_src = "./resources/stale-css.py?token=" + request_token;
+
+let loadLink = async() => {
+ let link = document.createElement("link");
+ link.rel = "stylesheet";
+ link.type = "text/css";
+ link.href = "resources/stale-css.py?token=" + request_token;
+ let loaded = new Promise(r => link.onload = r);
+ document.body.appendChild(link);
+ await loaded;
+ return window
+ .getComputedStyle(document.body)
+ .getPropertyValue('background-color');
+};
+
+promise_test(async t => {
+ await new Promise(r => window.onload = r);
+
+ let bgColor1 = await loadLink();
+ assert_equals(bgColor1, "rgb(0, 128, 0)", "(initial version loaded)");
+
+ let bgColor2 = await loadLink();
+ assert_equals(bgColor2, "rgb(0, 128, 0)", "(stale version loaded)");
+
+ // Query the server again and again. At some point it must have received the
+ // revalidation request. We poll, because we don't know when the revalidation
+ // will occur.
+ while(true) {
+ await new Promise(r => step_timeout(r, 25));
+ let response = await fetch(link_src + "&query");
+ let count = response.headers.get("Count");
+ if (count == '2')
+ break;
+ }
+
+ let bgColor3 = await loadLink();
+ assert_equals(bgColor3, "rgb(255, 0, 0)", "(revalidated version loaded)");
+}, 'Cache returns stale resource');
+
+</script>
+</body>