Bitexactness test for the noise suppressor

webrtc/modules/audio_processing/test/bitexactness_tools.h

+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_TEST_BITEXACTNESS_TOOLS_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_TEST_BITEXACTNESS_TOOLS_H_
+
+#include <vector>
+
+#include "webrtc/base/array_view.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace webrtc {
+namespace test {
+
+// Gtest PRED_FORMAT test function that compares two floats
+// and reports any differences.
+::testing::AssertionResult AssertFloatsNotEqual(const char* m_expr,
+                                                const char* n_expr,
+                                                const float& output,
+                                                const float& reference);
+
+// Gtest EXPECT_PRED_FORMAT test function that compares two array views
+// and reports any differences.
+::testing::AssertionResult AssertVectorsNotEqual(
+    const char* m_expr,
+    const char* n_expr,
+    const rtc::ArrayView<const float>& output,
+    const rtc::ArrayView<const float>& reference);
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_BITEXACTNESS_TOOLS_H_