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45 lines
1.6 KiB
HTML
45 lines
1.6 KiB
HTML
<!doctype html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<div id="buffer" style="height: 1000px; width: 1000px;"></div>
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<div id="frag"></div>
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<div style="height: 1000px; width: 1000px;"></div>
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<script>
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promise_test(async t => {
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// Wait for after the load event so that the navigation doesn't get converted
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// into a replace navigation.
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await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
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assert_equals(window.scrollY, 0);
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await navigation.navigate("#frag").finished;
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// Scroll down 10px from #frag
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window.scrollBy(0, 10);
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let scrollY_frag_plus_10 = window.scrollY;
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let intercept_resolve;
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let navigate_event;
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navigation.onnavigate = e => {
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navigate_event = e;
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e.intercept({ handler: () => new Promise(r => intercept_resolve = r),
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scroll: "manual" });
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};
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let reload_promises = navigation.reload();
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await reload_promises.committed;
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// removing the <div id="buffer"> should scroll up 1000px.
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assert_equals(window.scrollY, scrollY_frag_plus_10);
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buffer.remove();
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let scrollY_after_buffer_remove = window.scrollY;
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assert_equals(scrollY_after_buffer_remove, scrollY_frag_plus_10 - 1000);
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// scroll() should scroll to #frag, which is 10px up from the current location
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navigate_event.scroll();
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assert_equals(window.scrollY, scrollY_after_buffer_remove - 10);
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// Finishing should not scroll.
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intercept_resolve();
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await reload_promises.finished;
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assert_equals(window.scrollY, scrollY_after_buffer_remove - 10);
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}, "scroll: scroll() should work on a reload navigation");
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</script>
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</body>
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