PrintTo functions for RTCStats added in rtcstatscollector_unittest.cc

webrtc/api/rtcstatscollector_unittest.cc

 /*
  *  Copyright 2016 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 "webrtc/api/rtcstatscollector.h"
 
 #include <memory>
+#include <ostream>
 #include <string>
 #include <vector>
 
 #include "webrtc/api/jsepsessiondescription.h"
 #include "webrtc/api/stats/rtcstats_objects.h"
 #include "webrtc/api/stats/rtcstatsreport.h"
 #include "webrtc/api/test/mock_datachannel.h"
 #include "webrtc/api/test/mock_peerconnection.h"
 #include "webrtc/api/test/mock_webrtcsession.h"
 #include "webrtc/base/checks.h"
@@ skipping 10 matching lines @@
 #include "webrtc/p2p/base/p2pconstants.h"
 #include "webrtc/p2p/base/port.h"
 
 using testing::_;
 using testing::Invoke;
 using testing::Return;
 using testing::ReturnRef;
 
 namespace webrtc {
 
+// These are used by gtest code, such as if |EXPECT_EQ| fails.
+void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
+void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) {
+  *os << stats.ToString();
+}
+
 namespace {
 
 const int64_t kGetStatsReportTimeoutMs = 1000;
 
 struct CertificateInfo {
   rtc::scoped_refptr<rtc::RTCCertificate> certificate;
   std::vector<std::string> ders;
   std::vector<std::string> pems;
   std::vector<std::string> fingerprints;
 };
@@ skipping 988 matching lines @@
   rtc::scoped_refptr<FakeRTCStatsCollector> collector_;
 };
 
 TEST_F(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) {
   collector_->VerifyThreadUsageAndResultsMerging();
 }
 
 }  // namespace
 
 }  // namespace webrtc