1 files changed, 64 insertions, 0 deletions
diff --git a/testing/web-platform/tests/close-watcher/popover-closewatcher.html b/testing/web-platform/tests/close-watcher/popover-closewatcher.html
new file mode 100644
index 0000000000..b40ea2ec7c
--- /dev/null
+++ b/testing/web-platform/tests/close-watcher/popover-closewatcher.html
@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://github.com/whatwg/html/pull/9462">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<script src="resources/helpers.js"></script>
+
+<button id=b0>b0</button>
+
+<div id=p1 popover=auto>
+  <button id=b1>b1</button>
+
+  <div id=p2 popover=auto>
+    <button id=b2>b2</button>
+
+    <div id=p3 popover=auto>p3</div>
+  </div>
+</div>
+
+<script>
+promise_test(async () => {
+  p1.showPopover();
+  p2.showPopover();
+  p3.showPopover();
+  assert_true(p1.matches(':popover-open'), 'p1 should be open.');
+  assert_true(p2.matches(':popover-open'), 'p2 should be open.');
+  assert_true(p3.matches(':popover-open'), 'p3 should be open.');
+
+  await sendCloseRequest();
+  assert_false(p1.matches(':popover-open'), 'p1 should be closed.');
+  assert_false(p2.matches(':popover-open'), 'p2 should be closed.');
+  assert_false(p3.matches(':popover-open'), 'p3 should be closed.');
+}, 'Opening multiple popovers without user activation causes them all to be closed with one close request.');
+
+promise_test(async () => {
+  await test_driver.click(b0);
+  p1.showPopover();
+  await test_driver.click(b1);
+  p2.showPopover();
+  await test_driver.click(b2);
+  p3.showPopover();
+  assert_true(p1.matches(':popover-open'), 'p1 should be open.');
+  assert_true(p2.matches(':popover-open'), 'p2 should be open.');
+  assert_true(p3.matches(':popover-open'), 'p3 should be open.');
+
+  await sendCloseRequest();
+  assert_true(p1.matches(':popover-open'), 'first escape: p1 should be open.');
+  assert_true(p2.matches(':popover-open'), 'first escape: p2 should be open.');
+  assert_false(p3.matches(':popover-open'), 'first escape: p3 should be closed.');
+
+  await sendCloseRequest();
+  assert_true(p1.matches(':popover-open'), 'second escape: p1 should be open.');
+  assert_false(p2.matches(':popover-open'), 'second escape: p2 should be closed.');
+  assert_false(p3.matches(':popover-open'), 'second escape: p3 should be closed.');
+
+  await sendCloseRequest();
+  assert_false(p1.matches(':popover-open'), 'third escape: p1 should be closed.');
+  assert_false(p2.matches(':popover-open'), 'third escape: p2 should be closed.');
+  assert_false(p3.matches(':popover-open'), 'third escape: p3 should be closed.');
+}, 'Opening multiple popovers with user activation should close one at a time with close requests.');
+</script>