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-rw-r--r--testing/web-platform/tests/navigation-api/scroll-behavior/after-transition-with-history-scroll-restoration-manual.html23
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diff --git a/testing/web-platform/tests/navigation-api/scroll-behavior/after-transition-with-history-scroll-restoration-manual.html b/testing/web-platform/tests/navigation-api/scroll-behavior/after-transition-with-history-scroll-restoration-manual.html
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index 0000000000..bc2ce230ce
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/scroll-behavior/after-transition-with-history-scroll-restoration-manual.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<div style="height: 1000px; width: 1000px;"></div>
+<div id="frag"></div>
+<script>
+promise_test(async t => {
+ // Wait for after the load event so that the navigation doesn't get converted
+ // into a replace navigation.
+ await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
+ assert_equals(window.scrollY, 0);
+
+ history.scrollRestoration = "manual";
+ await navigation.navigate("#frag").finished;
+ assert_not_equals(window.scrollY, 0);
+
+ navigation.onnavigate = e => e.intercept({ scroll: "after-transition" });
+ await navigation.back().finished;
+ assert_equals(window.scrollY, 0);
+}, "scroll: after-transition should ignore history.scrollRestoration");
+</script>
+</body>