1 files changed, 0 insertions, 129 deletions
diff --git a/cras/src/tests/ewma_power_unittest.cc b/cras/src/tests/ewma_power_unittest.cc
deleted file mode 100644
index 10f03189..00000000
--- a/cras/src/tests/ewma_power_unittest.cc
+++ /dev/null
@@ -1,129 +0,0 @@
-// Copyright (c) 2020 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <gtest/gtest.h>
-
-extern "C" {
-#include "ewma_power.h"
-}
-
-namespace {
-
-TEST(EWMAPower, RelativePowerValue) {
-  struct ewma_power ewma;
-  int16_t buf[480];
-  float f;
-  int i;
-
-  for (i = 0; i < 480; i++)
-    buf[i] = 0x00fe;
-
-  ewma_power_init(&ewma, 48000);
-  EXPECT_EQ(48, ewma.step_fr);
-
-  ewma_power_calculate(&ewma, buf, 1, 480);
-  EXPECT_LT(0.0f, ewma.power);
-
-  // After 10ms of silence the power value decreases.
-  f = ewma.power;
-  for (i = 0; i < 480; i++)
-    buf[i] = 0x00;
-  ewma_power_calculate(&ewma, buf, 1, 480);
-  EXPECT_LT(ewma.power, f);
-
-  // After 300ms of silence the power value decreases to insignificant low.
-  for (i = 0; i < 30; i++)
-    ewma_power_calculate(&ewma, buf, 1, 480);
-  EXPECT_LT(ewma.power, 1.0e-10);
-}
-
-TEST(EWMAPower, PowerInStereoData) {
-  struct ewma_power ewma;
-  int16_t buf[960];
-  int i;
-  float f;
-
-  ewma_power_init(&ewma, 48000);
-
-  for (i = 0; i < 960; i += 2) {
-    buf[i] = 0x0;
-    buf[i + 1] = 0x00fe;
-  }
-  ewma_power_calculate(&ewma, buf, 2, 480);
-  EXPECT_LT(0.0f, ewma.power);
-
-  // After 10ms of silence the power value decreases.
-  f = ewma.power;
-  for (i = 0; i < 960; i++)
-    buf[i] = 0x0;
-  ewma_power_calculate(&ewma, buf, 2, 480);
-  EXPECT_LT(ewma.power, f);
-
-  // After 300ms of silence the power value decreases to insignificant low.
-  for (i = 0; i < 30; i++)
-    ewma_power_calculate(&ewma, buf, 2, 480);
-  EXPECT_LT(ewma.power, 1.0e-10);
-
-  // Assume the data is silent in the other channel.
-  ewma_power_init(&ewma, 48000);
-
-  for (i = 0; i < 960; i += 2) {
-    buf[i] = 0x0ffe;
-    buf[i + 1] = 0x0;
-  }
-  ewma_power_calculate(&ewma, buf, 2, 480);
-  EXPECT_LT(0.0f, ewma.power);
-}
-
-TEST(EWMAPower, PowerInAudioArea) {
-  struct ewma_power ewma;
-  struct cras_audio_area* area = cras_audio_area_create(4);
-  struct cras_audio_format* fmt =
-      cras_audio_format_create(SND_PCM_FORMAT_S16_LE, 48000, 4);
-  int8_t layout[CRAS_CH_MAX] = {0, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1};
-  int16_t buf[1920];
-  int i;
-  float f;
-
-  cras_audio_format_set_channel_layout(fmt, layout);
-  cras_audio_area_config_channels(area, fmt);
-
-  for (i = 0; i < 1920; i += 4) {
-    buf[i] = 0x0ffe;
-    buf[i + 1] = 0x0;
-    buf[i + 2] = 0x0;
-    buf[i + 3] = 0x0ffe;
-  }
-  ewma_power_init(&ewma, 48000);
-  ewma_power_calculate_area(&ewma, buf, area, 480);
-  f = ewma.power;
-  EXPECT_LT(0.0f, f);
-
-  /* Change the layout in the same audio area. Expect the power be lower because
-   * one of the channel is now silent. */
-  layout[CRAS_CH_FR] = 2;
-  cras_audio_format_set_channel_layout(fmt, layout);
-  cras_audio_area_config_channels(area, fmt);
-  ewma_power_init(&ewma, 48000);
-  ewma_power_calculate_area(&ewma, buf, area, 480);
-  EXPECT_GT(f, ewma.power);
-
-  /* Change layout to the two silent channels. Expect power is 0.0f. */
-  layout[CRAS_CH_FL] = 1;
-  cras_audio_format_set_channel_layout(fmt, layout);
-  cras_audio_area_config_channels(area, fmt);
-  ewma_power_init(&ewma, 48000);
-  ewma_power_calculate_area(&ewma, buf, area, 480);
-  EXPECT_EQ(0.0f, ewma.power);
-
-  cras_audio_format_destroy(fmt);
-  cras_audio_area_destroy(area);
-}
-
-}  // namespace
-
-int main(int argc, char** argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}