1 files changed, 73 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/Helpers.h b/xpcom/tests/gtest/Helpers.h
new file mode 100644
index 0000000000..9cee1b8251
--- /dev/null
+++ b/xpcom/tests/gtest/Helpers.h
@@ -0,0 +1,73 @@
+/* -*- 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 __Helpers_h
+#define __Helpers_h
+
+#include "nsIAsyncInputStream.h"
+#include "nsIAsyncOutputStream.h"
+#include "nsString.h"
+#include "nsTArrayForwardDeclare.h"
+#include <stdint.h>
+
+class nsIInputStream;
+class nsIOutputStream;
+
+namespace testing {
+
+void
+CreateData(uint32_t aNumBytes, nsTArray<char>& aDataOut);
+
+void
+Write(nsIOutputStream* aStream, const nsTArray<char>& aData, uint32_t aOffset,
+      uint32_t aNumBytes);
+
+void
+WriteAllAndClose(nsIOutputStream* aStream, const nsTArray<char>& aData);
+
+void
+ConsumeAndValidateStream(nsIInputStream* aStream,
+                         const nsTArray<char>& aExpectedData);
+
+void
+ConsumeAndValidateStream(nsIInputStream* aStream,
+                         const nsACString& aExpectedData);
+
+class OutputStreamCallback final : public nsIOutputStreamCallback
+{
+public:
+  OutputStreamCallback();
+
+  bool Called() const { return mCalled; }
+
+private:
+  ~OutputStreamCallback();
+
+  bool mCalled;
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOUTPUTSTREAMCALLBACK
+};
+
+class InputStreamCallback final : public nsIInputStreamCallback
+{
+public:
+  InputStreamCallback();
+
+  bool Called() const { return mCalled; }
+
+private:
+  ~InputStreamCallback();
+
+  bool mCalled;
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIINPUTSTREAMCALLBACK
+};
+
+} // namespace testing
+
+#endif // __Helpers_h