1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/transaction-scheduling-ro-waits-for-rw.any.js b/testing/web-platform/tests/IndexedDB/transaction-scheduling-ro-waits-for-rw.any.js
new file mode 100644
index 0000000000..ae0d126808
--- /dev/null
+++ b/testing/web-platform/tests/IndexedDB/transaction-scheduling-ro-waits-for-rw.any.js
@@ -0,0 +1,26 @@
+// META: script=resources/support.js
+
+indexeddb_test(
+  (t, db) => {
+    const store = db.createObjectStore('store');
+    store.put('value', 'key');
+  },
+
+  (t, db) => {
+    const transaction1 = db.transaction('store', 'readwrite', {durability: 'relaxed'});
+    transaction1.onabort = t.unreached_func('transaction1 should not abort');
+
+    const transaction2 = db.transaction('store', 'readonly', {durability: 'relaxed'});
+    transaction2.onabort = t.unreached_func('transaction2 should not abort');
+
+    const request = transaction1.objectStore('store').put('new value', 'key');
+    request.onerror = t.unreached_func('request should not fail');
+
+    const request2 = transaction2.objectStore('store').get('key');
+    request2.onerror = t.unreached_func('request2 should not fail');
+    request2.onsuccess = t.step_func_done(evt => {
+      assert_equals(request2.result, 'new value',
+                    'Request should see new value.');
+    });
+  },
+  "readonly transaction should see the result of a previous readwrite transaction");