Add SafeClamp(), which accepts args of different types

webrtc/modules/audio_processing/audio_processing_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 662 matching lines @@
   rewind(near_file_);
   while (!frame_queue.empty()) {
     AudioFrame* frame = frame_queue.front();
     frame_queue.pop();
     delete frame;
   }
   // Calculate expected delay estimate and acceptable regions. Further,
   // limit them w.r.t. AEC delay estimation support.
   const size_t samples_per_ms =
       rtc::SafeMin<size_t>(16u, frame_->samples_per_channel_ / 10);
-  int expected_median = std::min(std::max(delay_ms - system_delay_ms,
-                                          delay_min), delay_max);
-  int expected_median_high = std::min(
-      std::max(expected_median + static_cast<int>(96 / samples_per_ms),
-               delay_min),
+  const int expected_median =
+      rtc::SafeClamp<int>(delay_ms - system_delay_ms, delay_min, delay_max);
+  const int expected_median_high = rtc::SafeClamp<int>(
+      expected_median + rtc::dchecked_cast<int>(96 / samples_per_ms), delay_min,
       delay_max);
-  int expected_median_low = std::min(
-      std::max(expected_median - static_cast<int>(96 / samples_per_ms),
-               delay_min),
+  const int expected_median_low = rtc::SafeClamp<int>(
+      expected_median - rtc::dchecked_cast<int>(96 / samples_per_ms), delay_min,
       delay_max);
   // Verify delay metrics.
   int median;
   int std;
   float poor_fraction;
   EXPECT_EQ(apm_->kNoError,
             apm_->echo_cancellation()->GetDelayMetrics(&median, &std,
                                                        &poor_fraction));
   EXPECT_GE(expected_median_high, median);
   EXPECT_LE(expected_median_low, median);
@@ skipping 2174 matching lines @@
   // TODO(peah): Remove the testing for
   // apm->capture_nonlocked_.level_controller_enabled once the value in config_
   // is instead used to activate the level controller.
   EXPECT_FALSE(apm->capture_nonlocked_.level_controller_enabled);
   EXPECT_NEAR(kTargetLcPeakLeveldBFS,
               apm->config_.level_controller.initial_peak_level_dbfs,
               std::numeric_limits<float>::epsilon());
 }
 
 }  // namespace webrtc