1 files changed, 37 insertions, 0 deletions
diff --git a/tensorflow/examples/wav_to_spectrogram/wav_to_spectrogram_test.cc b/tensorflow/examples/wav_to_spectrogram/wav_to_spectrogram_test.cc
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+++ b/tensorflow/examples/wav_to_spectrogram/wav_to_spectrogram_test.cc
@@ -0,0 +1,37 @@
+/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#include "tensorflow/examples/wav_to_spectrogram/wav_to_spectrogram.h"
+
+#include "tensorflow/core/lib/core/status_test_util.h"
+#include "tensorflow/core/lib/io/path.h"
+#include "tensorflow/core/lib/wav/wav_io.h"
+#include "tensorflow/core/platform/env.h"
+#include "tensorflow/core/platform/test.h"
+
+TEST(WavToSpectrogramTest, WavToSpectrogramTest) {
+  const tensorflow::string input_wav =
+      tensorflow::io::JoinPath(tensorflow::testing::TmpDir(), "input_wav.wav");
+  const tensorflow::string output_image = tensorflow::io::JoinPath(
+      tensorflow::testing::TmpDir(), "output_image.png");
+  float audio[8] = {-1.0f, 0.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f};
+  tensorflow::string wav_string;
+  TF_ASSERT_OK(
+      tensorflow::wav::EncodeAudioAsS16LEWav(audio, 44100, 1, 8, &wav_string));
+  TF_ASSERT_OK(tensorflow::WriteStringToFile(tensorflow::Env::Default(),
+                                             input_wav, wav_string));
+  TF_ASSERT_OK(WavToSpectrogram(input_wav, 4, 4, 64.0f, output_image));
+  TF_EXPECT_OK(tensorflow::Env::Default()->FileExists(output_image));
+}