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-rw-r--r--testing/web-platform/tests/navigation-api/navigation-history-entry/entries-when-inactive.html16
1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigation-history-entry/entries-when-inactive.html b/testing/web-platform/tests/navigation-api/navigation-history-entry/entries-when-inactive.html
new file mode 100644
index 0000000000..c70b6d8bf8
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+++ b/testing/web-platform/tests/navigation-api/navigation-history-entry/entries-when-inactive.html
@@ -0,0 +1,16 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+async_test(t => {
+ const first_entry = navigation.entries()[0];
+ history.pushState(1, "", "#1");
+ assert_equals(navigation.entries()[0], first_entry);
+ history.back();
+ window.onpopstate = t.step_func_done(() => {
+ const second_entry = navigation.entries()[1];
+ history.replaceState(0, "", "#0");
+ assert_equals(navigation.entries()[1], second_entry);
+ });
+}, "A non-active entry in navigation.entries() should not be modified when a different entry is modified");
+</script>