1 files changed, 30 insertions, 0 deletions
diff --git a/dom/quota/Assertions.h b/dom/quota/Assertions.h
new file mode 100644
index 0000000000..d2eacb0c1d
--- /dev/null
+++ b/dom/quota/Assertions.h
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DOM_QUOTA_ASSERTIONS_H_
+#define DOM_QUOTA_ASSERTIONS_H_
+
+#include <cstdint>
+
+namespace mozilla::dom::quota {
+
+template <typename T>
+void AssertNoOverflow(uint64_t aDest, T aArg);
+
+template <typename T, typename U>
+void AssertNoUnderflow(T aDest, U aArg);
+
+bool IsOnIOThread();
+
+void AssertIsOnIOThread();
+
+void DiagnosticAssertIsOnIOThread();
+
+void AssertCurrentThreadOwnsQuotaMutex();
+
+}  // namespace mozilla::dom::quota
+
+#endif  // DOM_QUOTA_ASSERTIONS_H_