1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/idbtransaction-objectStore-exception-order.html b/testing/web-platform/tests/IndexedDB/idbtransaction-objectStore-exception-order.html
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index 0000000000..2ce4e13e2d
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+++ b/testing/web-platform/tests/IndexedDB/idbtransaction-objectStore-exception-order.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>IndexedDB: IDBTransaction objectStore() Exception Ordering</title>
+<link rel="help" href="https://w3c.github.io/IndexedDB/#dom-idbtransaction-objectstore">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/support.js"></script>
+<script>
+
+indexeddb_test(
+  (t, db) => {
+    const store = db.createObjectStore('s');
+  },
+  (t, db) => {
+    const tx = db.transaction('s', 'readonly', {durability: 'relaxed'});
+    tx.oncomplete = t.step_func(() => {
+        assert_throws_dom('InvalidStateError', () => { tx.objectStore('nope'); },
+                          '"finished" check (InvalidStateError) should precede ' +
+                          '"name in scope" check (NotFoundError)');
+      t.done();
+    });
+  },
+  'IDBTransaction.objectStore exception order: InvalidStateError vs. NotFoundError'
+);
+
+</script>