text: /*
   *  Copyright (c) 2012 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.
   */
  
  #include "vad_unittest.h"
  #include "../src/vad/vad_core.h"
  #include <string.h>
  
  #ifdef TEST_VAD_CORE_INIT
  void test_main() {
    // Test WebRtcVad_InitCore().
    VadInstT* self = malloc(sizeof(VadInstT));
  
    // null pointer test.
    EXPECT_EQ(-1, WebRtcVad_InitCore(nullptr));
  
    // Verify return = 0 for non-null pointer.
    EXPECT_EQ(0, WebRtcVad_InitCore(self));
    // Verify init_flag is set.
    EXPECT_EQ(42, self->init_flag);
  
    free(self);
  }
  #endif // TEST_VAD_CORE_INIT
  
  
  #ifdef TEST_VAD_CORE_SET_MODE
  void test_main() {
    VadInstT* self = malloc(sizeof(VadInstT));
  
    // TODO(bjornv): Add null pointer check if we take care of it in
    // vad_core.c
  
    ASSERT_EQ(0, WebRtcVad_InitCore(self));
    // Test WebRtcVad_set_mode_core().
    // Invalid modes should return -1.
    EXPECT_EQ(-1, WebRtcVad_set_mode_core(self, -1));
    EXPECT_EQ(-1, WebRtcVad_set_mode_core(self, 1000));
    // Valid modes should return 0.
    for (size_t j = 0; j < kModesSize; ++j) {
      EXPECT_EQ(0, WebRtcVad_set_mode_core(self, kModes[j]));
    }
  
    free(self);
  }
  #endif // TEST_VAD_CORE_SET_MODE
  
  
  #ifdef TEST_VAD_CORE_CALC_VAD
  void test_main() {
    VadInstT* self = malloc(sizeof(VadInstT));
    int16_t speech[kMaxFrameLength];
  
    // TODO(bjornv): Add null pointer check if we take care of it in
    // vad_core.c
  
    // Test WebRtcVad_CalcVadXXkhz()
    // Verify that all zeros in gives VAD = 0 out.
    memset(speech, 0, sizeof(speech));
    ASSERT_EQ(0, WebRtcVad_InitCore(self));
    for (size_t j = 0; j < kFrameLengthsSize; ++j) {
      if (ValidRatesAndFrameLengths(8000, kFrameLengths[j])) {
        EXPECT_EQ(0, WebRtcVad_CalcVad8khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(16000, kFrameLengths[j])) {
        EXPECT_EQ(0, WebRtcVad_CalcVad16khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(32000, kFrameLengths[j])) {
        EXPECT_EQ(0, WebRtcVad_CalcVad32khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(48000, kFrameLengths[j])) {
        EXPECT_EQ(0, WebRtcVad_CalcVad48khz(self, speech, kFrameLengths[j]));
      }
    }
  
    // Construct a speech signal that will trigger the VAD in all modes. It is
    // known that (i * i) will wrap around, but that doesn't matter in this case.
    for (size_t i = 0; i < kMaxFrameLength; ++i) {
      speech[i] = i * i;
    }
    for (size_t j = 0; j < kFrameLengthsSize; ++j) {
      if (ValidRatesAndFrameLengths(8000, kFrameLengths[j])) {
        EXPECT_EQ(1, WebRtcVad_CalcVad8khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(16000, kFrameLengths[j])) {
        EXPECT_EQ(1, WebRtcVad_CalcVad16khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(32000, kFrameLengths[j])) {
        EXPECT_EQ(1, WebRtcVad_CalcVad32khz(self, speech, kFrameLengths[j]));
      }
      if (ValidRatesAndFrameLengths(48000, kFrameLengths[j])) {
        EXPECT_EQ(1, WebRtcVad_CalcVad48khz(self, speech, kFrameLengths[j]));
      }
    }
  
    free(self);
  }
  #endif // TEST_VAD_CORE_CALC_VAD
  