diff --git a/src/modules/audio_processing/test/process_test.cc b/src/modules/audio_processing/test/process_test.cc
index aa432ff3b8..0e78230a8f 100644
--- a/src/modules/audio_processing/test/process_test.cc
+++ b/src/modules/audio_processing/test/process_test.cc
@@ -35,6 +35,7 @@ using webrtc::NoiseSuppression;
 using webrtc::scoped_array;
 using webrtc::TickInterval;
 using webrtc::TickTime;
+using webrtc::VoiceDetection;
 
 using webrtc::audioproc::Event;
 using webrtc::audioproc::Init;
@@ -346,6 +347,30 @@ void void_main(int argc, char* argv[]) {
     } else if (strcmp(argv[i], "-vad") == 0) {
       ASSERT_EQ(apm->kNoError, apm->voice_detection()->Enable(true));
 
+    } else if (strcmp(argv[i], "--vad_very_low") == 0) {
+      ASSERT_EQ(apm->kNoError, apm->voice_detection()->Enable(true));
+      ASSERT_EQ(apm->kNoError,
+          apm->voice_detection()->set_likelihood(
+              VoiceDetection::kVeryLowLikelihood));
+
+    } else if (strcmp(argv[i], "--vad_low") == 0) {
+      ASSERT_EQ(apm->kNoError, apm->voice_detection()->Enable(true));
+      ASSERT_EQ(apm->kNoError,
+          apm->voice_detection()->set_likelihood(
+              VoiceDetection::kLowLikelihood));
+
+    } else if (strcmp(argv[i], "--vad_moderate") == 0) {
+      ASSERT_EQ(apm->kNoError, apm->voice_detection()->Enable(true));
+      ASSERT_EQ(apm->kNoError,
+          apm->voice_detection()->set_likelihood(
+              VoiceDetection::kModerateLikelihood));
+
+    } else if (strcmp(argv[i], "--vad_high") == 0) {
+      ASSERT_EQ(apm->kNoError, apm->voice_detection()->Enable(true));
+      ASSERT_EQ(apm->kNoError,
+          apm->voice_detection()->set_likelihood(
+              VoiceDetection::kHighLikelihood));
+
     } else if (strcmp(argv[i], "--vad_out_file") == 0) {
       i++;
       ASSERT_LT(i, argc) << "Specify filename after --vad_out_file";