1 files changed, 68 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/idbobjectstore-deleteIndex-exception-order.html b/testing/web-platform/tests/IndexedDB/idbobjectstore-deleteIndex-exception-order.html
new file mode 100644
index 0000000000..48bbe40c4d
--- /dev/null
+++ b/testing/web-platform/tests/IndexedDB/idbobjectstore-deleteIndex-exception-order.html
@@ -0,0 +1,68 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>IndexedDB: IDBObjectStore deleteIndex() Exception Ordering</title>
+<link rel="help" href="https://w3c.github.io/IndexedDB/#dom-idbobjectstore-deleteindex">
+<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');
+    store.createIndex('i', 'keyPath');
+  },
+  (t, db) => {
+    const tx = db.transaction('s', 'readonly', {durability: 'relaxed'});
+    const store = tx.objectStore('s');
+
+    setTimeout(t.step_func(() => {
+      assert_throws_dom(
+        'InvalidStateError', () => { store.deleteIndex('i'); },
+        '"running an upgrade transaction" check (InvalidStateError) ' +
+        'should precede "not active" check (TransactionInactiveError)');
+      t.done();
+    }), 0);
+  },
+  'IDBObjectStore.deleteIndex exception order: ' +
+  'InvalidStateError #1 vs. TransactionInactiveError'
+);
+
+indexeddb_test(
+  (t, db) => {
+    const store = db.createObjectStore('s');
+    const index = store.createIndex('i', 'keyPath');
+
+    db.deleteObjectStore('s');
+
+    setTimeout(t.step_func(() => {
+      assert_throws_dom(
+        'InvalidStateError', () => { store.deleteIndex('i'); },
+        '"deleted" check (InvalidStateError) ' +
+        'should precede "not active" check (TransactionInactiveError)');
+      t.done();
+    }), 0);
+  },
+  (t, db) => {},
+  'IDBObjectStore.deleteIndex exception order: ' +
+  'InvalidStateError #2 vs. TransactionInactiveError'
+);
+
+indexeddb_test(
+  (t, db) => {
+    const store = db.createObjectStore('s');
+
+    setTimeout(t.step_func(() => {
+      assert_throws_dom(
+        'TransactionInactiveError', () => { store.deleteIndex('nope'); },
+        '"not active" check (TransactionInactiveError) should precede ' +
+        '"name in store" check (NotFoundError)');
+      t.done();
+    }), 0);
+  },
+  (t, db) => {},
+  'IDBObjectStore.deleteIndex exception order: ' +
+  'TransactionInactiveError vs. NotFoundError'
+);
+
+</script>