1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/forms/the-selectlist-element/selectlist-pseudo-light-dismiss-invalidation.tentative.html b/testing/web-platform/tests/html/semantics/forms/the-selectlist-element/selectlist-pseudo-light-dismiss-invalidation.tentative.html
new file mode 100644
index 0000000000..bda5842a37
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/forms/the-selectlist-element/selectlist-pseudo-light-dismiss-invalidation.tentative.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="http://crbug.com/1429839">
+<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>
+
+<selectlist id=selectlist>
+  <option id=optone>one</option>
+  <option id=opttwo>two</option>
+</selectlist>
+<style>
+selectlist {
+  background-color: rgb(0, 0, 255);
+}
+selectlist:closed {
+  background-color: rgb(0, 255, 0);
+}
+selectlist:open {
+  background-color: rgb(255, 0, 0);
+}
+</style>
+<button id=button>hello world</button>
+
+<script>
+promise_test(async () => {
+  assert_equals(getComputedStyle(selectlist).backgroundColor, 'rgb(0, 255, 0)',
+    'The selectlist should match :closed at the start of the test.');
+
+  await test_driver.click(selectlist);
+  assert_equals(getComputedStyle(selectlist).backgroundColor, 'rgb(255, 0, 0)',
+    'The selectlist should match :open when opened.');
+
+  await test_driver.click(opttwo);
+  assert_equals(getComputedStyle(selectlist).backgroundColor, 'rgb(0, 255, 0)',
+    'The selectlist should match :closed after clicking an option.');
+
+  await test_driver.click(selectlist);
+  assert_equals(getComputedStyle(selectlist).backgroundColor, 'rgb(255, 0, 0)',
+    'The selectlist should match :open when reopened.');
+
+  await test_driver.click(button);
+  assert_equals(getComputedStyle(selectlist).backgroundColor, 'rgb(0, 255, 0)',
+    'The selectlist should match :closed after light dismiss.');
+}, 'selectlist should not match :open when light dismissed.');
+</script>