1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/upgrade-transaction-deactivation-timing.html b/testing/web-platform/tests/IndexedDB/upgrade-transaction-deactivation-timing.html
new file mode 100644
index 0000000000..8119c9ab26
--- /dev/null
+++ b/testing/web-platform/tests/IndexedDB/upgrade-transaction-deactivation-timing.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Upgrade transaction deactivation timing</title>
+<link rel="help" href="http://localhost:4201/#upgrade-transaction-steps">
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=resources/support.js></script>
+<script>
+
+indexeddb_test(
+  (t, db, tx) => {
+    db.createObjectStore('store');
+    assert_true(is_transaction_active(tx, 'store'),
+                'Transaction should be active in upgradeneeded callback');
+  },
+  (t, db) => { t.done(); },
+  'Upgrade transactions are active in upgradeneeded callback');
+
+indexeddb_test(
+  (t, db, tx) => {
+    db.createObjectStore('store');
+    assert_true(is_transaction_active(tx, 'store'),
+                'Transaction should be active in upgradeneeded callback');
+
+    Promise.resolve().then(t.step_func(() => {
+      assert_true(is_transaction_active(tx, 'store'),
+                  'Transaction should be active in microtask checkpoint');
+    }));
+  },
+  (t, db) => { t.done(); },
+  'Upgrade transactions are active in upgradeneeded callback and microtasks');
+
+
+indexeddb_test(
+  (t, db, tx) => {
+    db.createObjectStore('store');
+    const release_tx = keep_alive(tx, 'store');
+
+    setTimeout(t.step_func(() => {
+      assert_false(is_transaction_active(tx, 'store'),
+                   'Transaction should be inactive in next task');
+      release_tx();
+    }), 0);
+  },
+  (t, db) => { t.done(); },
+  'Upgrade transactions are deactivated before next task');
+
+</script>