<!DOCTYPE html>
<title>IndexedDB: IDBCursor delete() Exception Ordering</title>
<meta charset=utf-8>
<link rel="help" href="https://w3c.github.io/IndexedDB/#dom-idbcursor-delete">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>

indexeddb_test(
  (t, db) => {
    const s = db.createObjectStore('s');
    s.put('value', 'key');
  },
  (t, db) => {
    const s = db.transaction('s', 'readonly').objectStore('s');
    const r = s.openCursor();
    r.onsuccess = t.step_func(() => {
      r.onsuccess = null;
      const cursor = r.result;
      setTimeout(t.step_func(() => {
        assert_throws('TransactionInactiveError', () => {
          cursor.delete();
        }, '"Transaction inactive" check (TransactionInactivError) ' +
           'should precede "read only" check (ReadOnlyError)');
        t.done();
      }), 0);
    });
  },
  'IDBCursor.delete exception order: TransactionInactiveError vs. ReadOnlyError'
);

indexeddb_test(
  (t, db) => {
    const s = db.createObjectStore('s');
    s.put('value', 'key');
  },
  (t, db) => {
    const s = db.transaction('s', 'readonly').objectStore('s');
    const r = s.openCursor();
    r.onsuccess = t.step_func(() => {
      r.onsuccess = null;
      const cursor = r.result;
      cursor.continue();
      assert_throws('ReadOnlyError', () => {
        cursor.delete();
      }, '"Read only" check (ReadOnlyError) should precede ' +
         '"got value flag" (InvalidStateError) check');
      t.done();
    });
  },
  'IDBCursor.delete exception order: ReadOnlyError vs. InvalidStateError #1'
);

indexeddb_test(
  (t, db) => {
    const s = db.createObjectStore('s');
    s.put('value', 'key');
  },
  (t, db) => {
    const s = db.transaction('s', 'readonly').objectStore('s');
    const r = s.openKeyCursor();
    r.onsuccess = t.step_func(() => {
      r.onsuccess = null;
      const cursor = r.result;
      assert_throws('ReadOnlyError', () => {
        cursor.delete();
      }, '"Read only" check (ReadOnlyError) should precede ' +
         '"key only flag" (InvalidStateError) check');
      t.done();
    });
  },
  'IDBCursor.delete exception order: ReadOnlyError vs. InvalidStateError #2'
);

</script>