remove shadowed variables in common_audio

BUG=webrtc:42223409

Change-Id: I17cdfc659cfec9647a92fc33814cab43c2ace3d0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/383560
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Per Ã…hgren <peah@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@meta.com>
Cr-Commit-Position: refs/heads/main@{#44383}
diff --git a/common_audio/BUILD.gn b/common_audio/BUILD.gn
index 4845bc7..bdb6c02 100644
--- a/common_audio/BUILD.gn
+++ b/common_audio/BUILD.gn
@@ -369,6 +369,7 @@
     deps = [
       ":common_audio",
       ":common_audio_c",
+      ":common_audio_cc",
       ":fir_filter",
       ":fir_filter_factory",
       ":sinc_resampler",
diff --git a/common_audio/fir_filter_unittest.cc b/common_audio/fir_filter_unittest.cc
index 5c5880b..9b97388 100644
--- a/common_audio/fir_filter_unittest.cc
+++ b/common_audio/fir_filter_unittest.cc
@@ -12,6 +12,7 @@
 
 #include <string.h>
 
+#include <array>
 #include <memory>
 
 #include "common_audio/fir_filter_factory.h"
@@ -20,84 +21,81 @@
 namespace webrtc {
 namespace {
 
-static const float kCoefficients[] = {0.2f, 0.3f, 0.5f, 0.7f, 0.11f};
-static const size_t kCoefficientsLength =
-    sizeof(kCoefficients) / sizeof(kCoefficients[0]);
+static constexpr size_t kCoefficientsSize = 5;
+static const std::array<float, kCoefficientsSize> kCoefficients = {
+    0.2f, 0.3f, 0.5f, 0.7f, 0.11f};
 
-static const float kInput[] = {1.f, 2.f, 3.f, 4.f, 5.f,
-                               6.f, 7.f, 8.f, 9.f, 10.f};
-static const size_t kInputLength = sizeof(kInput) / sizeof(kInput[0]);
-
-void VerifyOutput(const float* expected_output,
-                  const float* output,
-                  size_t length) {
-  EXPECT_EQ(
-      0, memcmp(expected_output, output, length * sizeof(expected_output[0])));
-}
+static constexpr size_t kInputSize = 10;
+static const std::array<float, kInputSize> kInput = {1.f, 2.f, 3.f, 4.f, 5.f,
+                                                     6.f, 7.f, 8.f, 9.f, 10.f};
 
 }  // namespace
 
 TEST(FIRFilterTest, FilterAsIdentity) {
-  const float kCoefficients[] = {1.f, 0.f, 0.f, 0.f, 0.f};
-  float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kInputLength));
-  filter->Filter(kInput, kInputLength, output);
-
-  VerifyOutput(kInput, output, kInputLength);
+  const std::array<float, kCoefficientsSize> kCoefficientsTested = {
+      1.f, 0.f, 0.f, 0.f, 0.f};
+  std::array<float, kInputSize> output;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficientsTested.data(), kCoefficientsTested.size(), kInput.size()));
+  filter->Filter(kInput.data(), kInput.size(), output.data());
+  for (size_t i = 0; i < kInput.size(); i++) {
+    EXPECT_EQ(kInput[i], output[i]);
+  }
 }
 
 TEST(FIRFilterTest, FilterUsedAsScalarMultiplication) {
-  const float kCoefficients[] = {5.f, 0.f, 0.f, 0.f, 0.f};
-  float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kInputLength));
-  filter->Filter(kInput, kInputLength, output);
+  const std::array<float, kCoefficientsSize> kCoefficientsTested = {
+      5.f, 0.f, 0.f, 0.f, 0.f};
+  std::array<float, kInputSize> output;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficientsTested.data(), kCoefficientsTested.size(), kInput.size()));
+  filter->Filter(kInput.data(), kInput.size(), output.data());
 
   EXPECT_FLOAT_EQ(5.f, output[0]);
   EXPECT_FLOAT_EQ(20.f, output[3]);
   EXPECT_FLOAT_EQ(25.f, output[4]);
-  EXPECT_FLOAT_EQ(50.f, output[kInputLength - 1]);
+  EXPECT_FLOAT_EQ(50.f, output[kInput.size() - 1]);
 }
 
 TEST(FIRFilterTest, FilterUsedAsInputShifting) {
-  const float kCoefficients[] = {0.f, 0.f, 0.f, 0.f, 1.f};
-  float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kInputLength));
-  filter->Filter(kInput, kInputLength, output);
+  const std::array<float, kCoefficientsSize> kCoefficientsTested = {
+      0.f, 0.f, 0.f, 0.f, 1.f};
+  std::array<float, kInputSize> output;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficientsTested.data(), kCoefficientsTested.size(), kInput.size()));
+  filter->Filter(kInput.data(), kInput.size(), output.data());
 
   EXPECT_FLOAT_EQ(0.f, output[0]);
   EXPECT_FLOAT_EQ(0.f, output[3]);
   EXPECT_FLOAT_EQ(1.f, output[4]);
   EXPECT_FLOAT_EQ(2.f, output[5]);
-  EXPECT_FLOAT_EQ(6.f, output[kInputLength - 1]);
+  EXPECT_FLOAT_EQ(6.f, output[kInput.size() - 1]);
 }
 
 TEST(FIRFilterTest, FilterUsedAsArbitraryWeighting) {
-  float output[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kInputLength));
-  filter->Filter(kInput, kInputLength, output);
+  std::array<float, kInputSize> output;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficients.data(), kCoefficients.size(), kInput.size()));
+  filter->Filter(kInput.data(), kInput.size(), output.data());
 
   EXPECT_FLOAT_EQ(0.2f, output[0]);
   EXPECT_FLOAT_EQ(3.4f, output[3]);
   EXPECT_FLOAT_EQ(5.21f, output[4]);
   EXPECT_FLOAT_EQ(7.02f, output[5]);
-  EXPECT_FLOAT_EQ(14.26f, output[kInputLength - 1]);
+  EXPECT_FLOAT_EQ(14.26f, output[kInput.size() - 1]);
 }
 
 TEST(FIRFilterTest, FilterInLengthLesserOrEqualToCoefficientsLength) {
-  float output[kInputLength];
+  std::array<float, kInputSize> output;
   std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, 2));
-  filter->Filter(kInput, 2, output);
+      CreateFirFilter(kCoefficients.data(), kCoefficients.size(), 2));
+  filter->Filter(kInput.data(), 2, output.data());
 
   EXPECT_FLOAT_EQ(0.2f, output[0]);
   EXPECT_FLOAT_EQ(0.7f, output[1]);
-  filter.reset(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kCoefficientsLength));
-  filter->Filter(kInput, kCoefficientsLength, output);
+  filter.reset(CreateFirFilter(kCoefficients.data(), kCoefficients.size(),
+                               kCoefficients.size()));
+  filter->Filter(kInput.data(), kCoefficients.size(), output.data());
 
   EXPECT_FLOAT_EQ(0.2f, output[0]);
   EXPECT_FLOAT_EQ(3.4f, output[3]);
@@ -105,103 +103,101 @@
 }
 
 TEST(FIRFilterTest, MultipleFilterCalls) {
-  float output[kInputLength];
+  std::array<float, kInputSize> output;
   std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, 3));
-  filter->Filter(kInput, 2, output);
+      CreateFirFilter(kCoefficients.data(), kCoefficients.size(), 3));
+  filter->Filter(kInput.data(), 2, output.data());
   EXPECT_FLOAT_EQ(0.2f, output[0]);
   EXPECT_FLOAT_EQ(0.7f, output[1]);
 
-  filter->Filter(kInput, 2, output);
+  filter->Filter(kInput.data(), 2, output.data());
   EXPECT_FLOAT_EQ(1.3f, output[0]);
   EXPECT_FLOAT_EQ(2.4f, output[1]);
 
-  filter->Filter(kInput, 2, output);
+  filter->Filter(kInput.data(), 2, output.data());
   EXPECT_FLOAT_EQ(2.81f, output[0]);
   EXPECT_FLOAT_EQ(2.62f, output[1]);
 
-  filter->Filter(kInput, 2, output);
+  filter->Filter(kInput.data(), 2, output.data());
   EXPECT_FLOAT_EQ(2.81f, output[0]);
   EXPECT_FLOAT_EQ(2.62f, output[1]);
 
-  filter->Filter(&kInput[3], 3, output);
+  filter->Filter(&kInput[3], 3, output.data());
   EXPECT_FLOAT_EQ(3.41f, output[0]);
   EXPECT_FLOAT_EQ(4.12f, output[1]);
   EXPECT_FLOAT_EQ(6.21f, output[2]);
 
-  filter->Filter(&kInput[3], 3, output);
+  filter->Filter(&kInput[3], 3, output.data());
   EXPECT_FLOAT_EQ(8.12f, output[0]);
   EXPECT_FLOAT_EQ(9.14f, output[1]);
   EXPECT_FLOAT_EQ(9.45f, output[2]);
 }
 
 TEST(FIRFilterTest, VerifySampleBasedVsBlockBasedFiltering) {
-  float output_block_based[kInputLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kInputLength));
-  filter->Filter(kInput, kInputLength, output_block_based);
+  float output_block_based[kInput.size()];
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficients.data(), kCoefficients.size(), kInput.size()));
+  filter->Filter(kInput.data(), kInput.size(), output_block_based);
 
-  float output_sample_based[kInputLength];
-  filter.reset(CreateFirFilter(kCoefficients, kCoefficientsLength, 1));
-  for (size_t i = 0; i < kInputLength; ++i) {
+  float output_sample_based[kInput.size()];
+  filter.reset(CreateFirFilter(kCoefficients.data(), kCoefficients.size(), 1));
+  for (size_t i = 0; i < kInput.size(); ++i) {
     filter->Filter(&kInput[i], 1, &output_sample_based[i]);
   }
 
-  EXPECT_EQ(0, memcmp(output_sample_based, output_block_based, kInputLength));
+  EXPECT_EQ(0, memcmp(output_sample_based, output_block_based, kInput.size()));
 }
 
 TEST(FIRFilterTest, SimplestHighPassFilter) {
-  const float kCoefficients[] = {1.f, -1.f};
-  const size_t kCoefficientsLength =
-      sizeof(kCoefficients) / sizeof(kCoefficients[0]);
+  const std::array<float, 2> kCoefficientsTested = {1.f, -1.f};
 
-  float kConstantInput[] = {1.f, 1.f, 1.f, 1.f, 1.f, 1.f, 1.f, 1.f};
-  const size_t kConstantInputLength =
-      sizeof(kConstantInput) / sizeof(kConstantInput[0]);
-
-  float output[kConstantInputLength];
-  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
-      kCoefficients, kCoefficientsLength, kConstantInputLength));
-  filter->Filter(kConstantInput, kConstantInputLength, output);
+  std::array<float, 8> kConstantInput = {1.f, 1.f, 1.f, 1.f,
+                                         1.f, 1.f, 1.f, 1.f};
+  std::array<float, 8> output;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(kCoefficientsTested.data(),
+                                                    kCoefficientsTested.size(),
+                                                    kConstantInput.size()));
+  filter->Filter(kConstantInput.data(), kConstantInput.size(), output.data());
   EXPECT_FLOAT_EQ(1.f, output[0]);
-  for (size_t i = kCoefficientsLength - 1; i < kConstantInputLength; ++i) {
+  for (size_t i = kCoefficientsTested.size() - 1; i < kConstantInput.size();
+       ++i) {
     EXPECT_FLOAT_EQ(0.f, output[i]);
   }
 }
 
 TEST(FIRFilterTest, SimplestLowPassFilter) {
-  const float kCoefficients[] = {1.f, 1.f};
-  const size_t kCoefficientsLength =
-      sizeof(kCoefficients) / sizeof(kCoefficients[0]);
+  const std::array<float, 2> kCoefficientsTested = {1.f, 1.f};
 
-  float kHighFrequencyInput[] = {-1.f, 1.f, -1.f, 1.f, -1.f, 1.f, -1.f, 1.f};
-  const size_t kHighFrequencyInputLength =
-      sizeof(kHighFrequencyInput) / sizeof(kHighFrequencyInput[0]);
-
-  float output[kHighFrequencyInputLength];
-  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
-      kCoefficients, kCoefficientsLength, kHighFrequencyInputLength));
-  filter->Filter(kHighFrequencyInput, kHighFrequencyInputLength, output);
+  const std::array<float, 8> kHighFrequencyInput = {-1.f, 1.f, -1.f, 1.f,
+                                                    -1.f, 1.f, -1.f, 1.f};
+  std::array<float, 8> output;
+  std::unique_ptr<FIRFilter> filter(
+      CreateFirFilter(kCoefficientsTested.data(), kCoefficientsTested.size(),
+                      kHighFrequencyInput.size()));
+  filter->Filter(kHighFrequencyInput.data(), kHighFrequencyInput.size(),
+                 output.data());
   EXPECT_FLOAT_EQ(-1.f, output[0]);
-  for (size_t i = kCoefficientsLength - 1; i < kHighFrequencyInputLength; ++i) {
+  for (size_t i = kCoefficientsTested.size() - 1;
+       i < kHighFrequencyInput.size(); ++i) {
     EXPECT_FLOAT_EQ(0.f, output[i]);
   }
 }
 
 TEST(FIRFilterTest, SameOutputWhenSwapedCoefficientsAndInput) {
-  float output[kCoefficientsLength];
-  float output_swaped[kCoefficientsLength];
-  std::unique_ptr<FIRFilter> filter(
-      CreateFirFilter(kCoefficients, kCoefficientsLength, kCoefficientsLength));
-  // Use kCoefficientsLength for in_length to get same-length outputs.
-  filter->Filter(kInput, kCoefficientsLength, output);
+  std::array<float, kCoefficientsSize> output;
+  std::array<float, kCoefficientsSize> output_swapped;
+  std::unique_ptr<FIRFilter> filter(CreateFirFilter(
+      kCoefficients.data(), kCoefficients.size(), kCoefficients.size()));
+  // Use kCoefficients.size() for in_length to get same-length outputs.
+  filter->Filter(kInput.data(), kCoefficients.size(), output.data());
 
-  filter.reset(
-      CreateFirFilter(kInput, kCoefficientsLength, kCoefficientsLength));
-  filter->Filter(kCoefficients, kCoefficientsLength, output_swaped);
+  filter.reset(CreateFirFilter(kInput.data(), kCoefficients.size(),
+                               kCoefficients.size()));
+  filter->Filter(kCoefficients.data(), kCoefficients.size(),
+                 output_swapped.data());
 
-  for (size_t i = 0; i < kCoefficientsLength; ++i) {
-    EXPECT_FLOAT_EQ(output[i], output_swaped[i]);
+  for (size_t i = 0; i < kCoefficients.size(); ++i) {
+    EXPECT_FLOAT_EQ(output[i], output_swapped[i]);
   }
 }
 
diff --git a/common_audio/signal_processing/signal_processing_unittest.cc b/common_audio/signal_processing/signal_processing_unittest.cc
index d667d2d..7495702 100644
--- a/common_audio/signal_processing/signal_processing_unittest.cc
+++ b/common_audio/signal_processing/signal_processing_unittest.cc
@@ -9,21 +9,26 @@
  */
 
 #include <algorithm>
+#include <cstddef>
+#include <cstdint>
+#include <iterator>
 
+#include "common_audio/signal_processing/dot_product_with_scale.h"
 #include "common_audio/signal_processing/include/signal_processing_library.h"
+#include "common_audio/signal_processing/include/spl_inl.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
 
-static const size_t kVector16Size = 9;
-static const int16_t vector16[kVector16Size] = {1,
-                                                -15511,
-                                                4323,
-                                                1963,
-                                                WEBRTC_SPL_WORD16_MAX,
-                                                0,
-                                                WEBRTC_SPL_WORD16_MIN + 5,
-                                                -3333,
-                                                345};
+static const int16_t vector16[] = {1,
+                                   -15511,
+                                   4323,
+                                   1963,
+                                   WEBRTC_SPL_WORD16_MAX,
+                                   0,
+                                   WEBRTC_SPL_WORD16_MIN + 5,
+                                   -3333,
+                                   345};
+static const size_t kVector16Size = std::size(vector16);
 
 TEST(SplTest, MacroTest) {
   // Macros with inputs.
@@ -253,104 +258,105 @@
 
   // Vectors to test the cases where minimum values have to be caught
   // outside of the unrolled loops in ARM-Neon.
-  int16_t vector16[kVectorSize] = {-1,
-                                   7485,
-                                   0,
-                                   3333,
-                                   -18283,
-                                   0,
-                                   12334,
-                                   -29871,
-                                   988,
-                                   -3333,
-                                   345,
-                                   -456,
-                                   222,
-                                   999,
-                                   888,
-                                   8774,
-                                   WEBRTC_SPL_WORD16_MIN};
-  int32_t vector32[kVectorSize] = {-1,
-                                   0,
-                                   283211,
-                                   3333,
-                                   8712345,
-                                   0,
-                                   -3333,
-                                   89345,
-                                   -374585456,
-                                   222,
-                                   999,
-                                   122345334,
-                                   -12389756,
-                                   -987329871,
-                                   888,
-                                   -2,
-                                   WEBRTC_SPL_WORD32_MIN};
+  int16_t vector16_arm[kVectorSize] = {-1,
+                                       7485,
+                                       0,
+                                       3333,
+                                       -18283,
+                                       0,
+                                       12334,
+                                       -29871,
+                                       988,
+                                       -3333,
+                                       345,
+                                       -456,
+                                       222,
+                                       999,
+                                       888,
+                                       8774,
+                                       WEBRTC_SPL_WORD16_MIN};
+  int32_t vector32_arm[kVectorSize] = {-1,
+                                       0,
+                                       283211,
+                                       3333,
+                                       8712345,
+                                       0,
+                                       -3333,
+                                       89345,
+                                       -374585456,
+                                       222,
+                                       999,
+                                       122345334,
+                                       -12389756,
+                                       -987329871,
+                                       888,
+                                       -2,
+                                       WEBRTC_SPL_WORD32_MIN};
 
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN,
-            WebRtcSpl_MinValueW16(vector16, kVectorSize));
+            WebRtcSpl_MinValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MIN,
-            WebRtcSpl_MinValueW32(vector32, kVectorSize));
-  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW32(vector32, kVectorSize));
+            WebRtcSpl_MinValueW32(vector32_arm, kVectorSize));
+  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MinIndexW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN,
-            WebRtcSpl_MaxAbsElementW16(vector16, kVectorSize));
+            WebRtcSpl_MaxAbsElementW16(vector16_arm, kVectorSize));
   int16_t min_value, max_value;
-  WebRtcSpl_MinMaxW16(vector16, kVectorSize, &min_value, &max_value);
+  WebRtcSpl_MinMaxW16(vector16_arm, kVectorSize, &min_value, &max_value);
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, min_value);
   EXPECT_EQ(12334, max_value);
 
   // Test the cases where maximum values have to be caught
   // outside of the unrolled loops in ARM-Neon.
-  vector16[kVectorSize - 1] = WEBRTC_SPL_WORD16_MAX;
-  vector32[kVectorSize - 1] = WEBRTC_SPL_WORD32_MAX;
+  vector16_arm[kVectorSize - 1] = WEBRTC_SPL_WORD16_MAX;
+  vector32_arm[kVectorSize - 1] = WEBRTC_SPL_WORD32_MAX;
 
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX,
-            WebRtcSpl_MaxAbsValueW16(vector16, kVectorSize));
+            WebRtcSpl_MaxAbsValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX,
-            WebRtcSpl_MaxValueW16(vector16, kVectorSize));
+            WebRtcSpl_MaxValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MAX,
-            WebRtcSpl_MaxAbsValueW32(vector32, kVectorSize));
+            WebRtcSpl_MaxAbsValueW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MAX,
-            WebRtcSpl_MaxValueW32(vector32, kVectorSize));
-  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxAbsIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW32(vector32, kVectorSize));
+            WebRtcSpl_MaxValueW32(vector32_arm, kVectorSize));
+  EXPECT_EQ(kVectorSize - 1,
+            WebRtcSpl_MaxAbsIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(kVectorSize - 1, WebRtcSpl_MaxIndexW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX,
-            WebRtcSpl_MaxAbsElementW16(vector16, kVectorSize));
-  WebRtcSpl_MinMaxW16(vector16, kVectorSize, &min_value, &max_value);
+            WebRtcSpl_MaxAbsElementW16(vector16_arm, kVectorSize));
+  WebRtcSpl_MinMaxW16(vector16_arm, kVectorSize, &min_value, &max_value);
   EXPECT_EQ(-29871, min_value);
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, max_value);
 
   // Test the cases where multiple maximum and minimum values are present.
-  vector16[1] = WEBRTC_SPL_WORD16_MAX;
-  vector16[6] = WEBRTC_SPL_WORD16_MIN;
-  vector16[11] = WEBRTC_SPL_WORD16_MIN;
-  vector32[1] = WEBRTC_SPL_WORD32_MAX;
-  vector32[6] = WEBRTC_SPL_WORD32_MIN;
-  vector32[11] = WEBRTC_SPL_WORD32_MIN;
+  vector16_arm[1] = WEBRTC_SPL_WORD16_MAX;
+  vector16_arm[6] = WEBRTC_SPL_WORD16_MIN;
+  vector16_arm[11] = WEBRTC_SPL_WORD16_MIN;
+  vector32_arm[1] = WEBRTC_SPL_WORD32_MAX;
+  vector32_arm[6] = WEBRTC_SPL_WORD32_MIN;
+  vector32_arm[11] = WEBRTC_SPL_WORD32_MIN;
 
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX,
-            WebRtcSpl_MaxAbsValueW16(vector16, kVectorSize));
+            WebRtcSpl_MaxAbsValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX,
-            WebRtcSpl_MaxValueW16(vector16, kVectorSize));
+            WebRtcSpl_MaxValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN,
-            WebRtcSpl_MinValueW16(vector16, kVectorSize));
+            WebRtcSpl_MinValueW16(vector16_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MAX,
-            WebRtcSpl_MaxAbsValueW32(vector32, kVectorSize));
+            WebRtcSpl_MaxAbsValueW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MAX,
-            WebRtcSpl_MaxValueW32(vector32, kVectorSize));
+            WebRtcSpl_MaxValueW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD32_MIN,
-            WebRtcSpl_MinValueW32(vector32, kVectorSize));
-  EXPECT_EQ(6u, WebRtcSpl_MaxAbsIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(1u, WebRtcSpl_MaxIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(1u, WebRtcSpl_MaxIndexW32(vector32, kVectorSize));
-  EXPECT_EQ(6u, WebRtcSpl_MinIndexW16(vector16, kVectorSize));
-  EXPECT_EQ(6u, WebRtcSpl_MinIndexW32(vector32, kVectorSize));
+            WebRtcSpl_MinValueW32(vector32_arm, kVectorSize));
+  EXPECT_EQ(6u, WebRtcSpl_MaxAbsIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(1u, WebRtcSpl_MaxIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(1u, WebRtcSpl_MaxIndexW32(vector32_arm, kVectorSize));
+  EXPECT_EQ(6u, WebRtcSpl_MinIndexW16(vector16_arm, kVectorSize));
+  EXPECT_EQ(6u, WebRtcSpl_MinIndexW32(vector32_arm, kVectorSize));
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN,
-            WebRtcSpl_MaxAbsElementW16(vector16, kVectorSize));
-  WebRtcSpl_MinMaxW16(vector16, kVectorSize, &min_value, &max_value);
+            WebRtcSpl_MaxAbsElementW16(vector16_arm, kVectorSize));
+  WebRtcSpl_MinMaxW16(vector16_arm, kVectorSize, &min_value, &max_value);
   EXPECT_EQ(WEBRTC_SPL_WORD16_MIN, min_value);
   EXPECT_EQ(WEBRTC_SPL_WORD16_MAX, max_value);
 
diff --git a/common_audio/vad/vad_unittest.cc b/common_audio/vad/vad_unittest.cc
index 1cdc3d9..5f6afb1 100644
--- a/common_audio/vad/vad_unittest.cc
+++ b/common_audio/vad/vad_unittest.cc
@@ -12,9 +12,11 @@
 
 #include <stdlib.h>
 
+#include <cstdint>
+#include <iterator>
+
 #include "common_audio/signal_processing/include/signal_processing_library.h"
 #include "common_audio/vad/include/webrtc_vad.h"
-#include "rtc_base/arraysize.h"
 #include "rtc_base/checks.h"
 #include "test/gtest.h"
 
@@ -128,20 +130,21 @@
   // This test verifies valid and invalid rate/frame_length combinations. We
   // loop through some sampling rates and frame lengths from negative values to
   // values larger than possible.
-  const int kRates[] = {-8000, -4000, 0,     4000,  8000,  8001,
-                        15999, 16000, 32000, 48000, 48001, 96000};
+  const int kInvalidRates[] = {-8000, -4000, 0,     4000,  8000,  8001,
+                               15999, 16000, 32000, 48000, 48001, 96000};
 
-  const size_t kFrameLengths[] = {0,   80,  81,  159, 160,  240,
-                                  320, 480, 640, 960, 1440, 2000};
+  const size_t kInvalidFrameLengths[] = {0,   80,  81,  159, 160,  240,
+                                         320, 480, 640, 960, 1440, 2000};
 
-  for (size_t i = 0; i < arraysize(kRates); i++) {
-    for (size_t j = 0; j < arraysize(kFrameLengths); j++) {
-      if (ValidRatesAndFrameLengths(kRates[i], kFrameLengths[j])) {
-        EXPECT_EQ(
-            0, WebRtcVad_ValidRateAndFrameLength(kRates[i], kFrameLengths[j]));
+  for (size_t i = 0; i < std::size(kInvalidRates); i++) {
+    for (size_t j = 0; j < std::size(kInvalidFrameLengths); j++) {
+      if (ValidRatesAndFrameLengths(kInvalidRates[i],
+                                    kInvalidFrameLengths[j])) {
+        EXPECT_EQ(0, WebRtcVad_ValidRateAndFrameLength(
+                         kInvalidRates[i], kInvalidFrameLengths[j]));
       } else {
-        EXPECT_EQ(
-            -1, WebRtcVad_ValidRateAndFrameLength(kRates[i], kFrameLengths[j]));
+        EXPECT_EQ(-1, WebRtcVad_ValidRateAndFrameLength(
+                          kInvalidRates[i], kInvalidFrameLengths[j]));
       }
     }
   }