Revert of Remove ignored return code from modules.

webrtc/modules/pacing/paced_sender_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 204 matching lines @@
   }
   send_bucket_->Process();
   EXPECT_CALL(callback_, TimeToSendPadding(_)).Times(0);
   for (int k = 0; k < 10; ++k) {
     EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
     clock_.AdvanceTimeMilliseconds(5);
     EXPECT_CALL(callback_, TimeToSendPacket(ssrc, _, _, false))
         .Times(3)
         .WillRepeatedly(Return(true));
     EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-    send_bucket_->Process();
+    EXPECT_EQ(0, send_bucket_->Process());
   }
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
   SendAndExpectPacket(PacedSender::kNormalPriority,
                       ssrc,
                       sequence_number++,
                       clock_.TimeInMilliseconds(),
                       250,
                       false);
   SendAndExpectPacket(PacedSender::kNormalPriority,
                       ssrc,
                       sequence_number++,
                       clock_.TimeInMilliseconds(),
@@ skipping 42 matching lines @@
     EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
     clock_.AdvanceTimeMilliseconds(5);
 
     for (int i = 0; i < 3; ++i) {
       EXPECT_CALL(callback_,
                   TimeToSendPacket(ssrc, queued_sequence_number++, _, false))
           .Times(1)
           .WillRepeatedly(Return(true));
     }
     EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-    send_bucket_->Process();
+    EXPECT_EQ(0, send_bucket_->Process());
   }
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
   SendAndExpectPacket(PacedSender::kNormalPriority,
                       ssrc,
                       sequence_number++,
                       clock_.TimeInMilliseconds(),
                       250,
                       false);
   SendAndExpectPacket(PacedSender::kNormalPriority,
                       ssrc,
                       sequence_number++,
                       clock_.TimeInMilliseconds(),
@@ skipping 57 matching lines @@
                       ssrc,
                       sequence_number++,
                       clock_.TimeInMilliseconds(),
                       250,
                       false);
   // No padding is expected since we have sent too much already.
   EXPECT_CALL(callback_, TimeToSendPadding(_)).Times(0);
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
 
   // 5 milliseconds later we have enough budget to send some padding.
   EXPECT_CALL(callback_, TimeToSendPadding(250)).Times(1).
       WillOnce(Return(250));
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
 }
 
 TEST_F(PacedSenderTest, VerifyPaddingUpToBitrate) {
   uint32_t ssrc = 12345;
   uint16_t sequence_number = 1234;
   int64_t capture_time_ms = 56789;
   const int kTimeStep = 5;
   const int64_t kBitrateWindow = 100;
   send_bucket_->UpdateBitrate(
       kTargetBitrate, kPaceMultiplier * kTargetBitrate, kTargetBitrate);
@@ skipping 84 matching lines @@
 
   // Expect all high and normal priority to be sent out first.
   EXPECT_CALL(callback_, TimeToSendPadding(_)).Times(0);
   EXPECT_CALL(callback_, TimeToSendPacket(ssrc, _, capture_time_ms, false))
       .Times(4)
       .WillRepeatedly(Return(true));
 
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
 
   EXPECT_CALL(callback_,
               TimeToSendPacket(
                   ssrc_low_priority, _, capture_time_ms_low_priority, false))
       .Times(1)
       .WillRepeatedly(Return(true));
 
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
 }
 
 TEST_F(PacedSenderTest, HighPrioDoesntAffectBudget) {
   uint32_t ssrc = 12346;
   uint16_t sequence_number = 1234;
   int64_t capture_time_ms = 56789;
 
   // As high prio packets doesn't affect the budget, we should be able to send
   // a high number of them at once.
   for (int i = 0; i < 25; ++i) {
@@ skipping 69 matching lines @@
   EXPECT_EQ(clock_.TimeInMilliseconds() - capture_time_ms,
             send_bucket_->QueueInMs());
 
   // Expect no packet to come out while paused.
   EXPECT_CALL(callback_, TimeToSendPadding(_)).Times(0);
   EXPECT_CALL(callback_, TimeToSendPacket(_, _, _, _)).Times(0);
 
   for (int i = 0; i < 10; ++i) {
     clock_.AdvanceTimeMilliseconds(5);
     EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-    send_bucket_->Process();
+    EXPECT_EQ(0, send_bucket_->Process());
   }
   // Expect high prio packets to come out first followed by all packets in the
   // way they were added.
   EXPECT_CALL(callback_, TimeToSendPacket(_, _, capture_time_ms, false))
       .Times(3)
       .WillRepeatedly(Return(true));
   EXPECT_CALL(callback_, TimeToSendPacket(_, _, second_capture_time_ms, false))
       .Times(1)
       .WillRepeatedly(Return(true));
   send_bucket_->Resume();
 
   EXPECT_EQ(5, send_bucket_->TimeUntilNextProcess());
   clock_.AdvanceTimeMilliseconds(5);
   EXPECT_EQ(0, send_bucket_->TimeUntilNextProcess());
-  send_bucket_->Process();
+  EXPECT_EQ(0, send_bucket_->Process());
 
   EXPECT_EQ(0, send_bucket_->QueueInMs());
 }
 
 TEST_F(PacedSenderTest, ResendPacket) {
   uint32_t ssrc = 12346;
   uint16_t sequence_number = 1234;
   int64_t capture_time_ms = clock_.TimeInMilliseconds();
   EXPECT_EQ(0, send_bucket_->QueueInMs());
 
@@ skipping 283 matching lines @@
   for (int i = 0; i < 3; ++i) {
     clock_.AdvanceTimeMilliseconds(30);  // Max delta.
     send_bucket_->Process();
   }
 
   EXPECT_EQ(0, send_bucket_->AverageQueueTimeMs());
 }
 
 }  // namespace test
 }  // namespace webrtc