1 files changed, 57 insertions, 0 deletions
diff --git a/packages/idb-bridge/src/idb-wpt-ported/event-dispatch-active-flag.test.ts b/packages/idb-bridge/src/idb-wpt-ported/event-dispatch-active-flag.test.ts
new file mode 100644
index 000000000..f5668c90b
--- /dev/null
+++ b/packages/idb-bridge/src/idb-wpt-ported/event-dispatch-active-flag.test.ts
@@ -0,0 +1,57 @@
+import test from "ava";
+import { BridgeIDBRequest } from "..";
+import {
+  createdb,
+  indexeddb_test,
+  is_transaction_active,
+  keep_alive,
+} from "./wptsupport";
+
+test("WPT test abort-in-initial-upgradeneeded.htm", async (t) => {
+  // Transactions are active during success handlers
+  await indexeddb_test(
+    t,
+    (done, db, tx) => {
+      db.createObjectStore("store");
+    },
+    (done, db) => {
+      const tx = db.transaction("store");
+      const release_tx = keep_alive(t, tx, "store");
+
+      t.assert(
+        is_transaction_active(t, tx, "store"),
+        "Transaction should be active after creation",
+      );
+
+      const request = tx.objectStore("store").get(4242);
+      (request as BridgeIDBRequest)._debugName = "req-main"; 
+      request.onerror = () => t.fail("request should succeed");
+      request.onsuccess = () => {
+
+        t.true(
+          is_transaction_active(t, tx, "store"),
+          "Transaction should be active during success handler",
+        );
+
+        let saw_handler_promise = false;
+        Promise.resolve().then(() => {
+          saw_handler_promise = true;
+          t.true(
+            is_transaction_active(t, tx, "store"),
+            "Transaction should be active in handler's microtasks",
+          );
+        });
+
+        setTimeout(() => {
+          t.true(saw_handler_promise);
+          t.false(
+            is_transaction_active(t, tx, "store"),
+            "Transaction should be inactive in next task",
+          );
+          release_tx();
+          done();
+        }, 0);
+      };
+    },
+  );
+});