commit 9eda327248d546e9b4546e6c1dad7c5593886d74
author Sebastian Jansson <srte@webrtc.org> Thu Sep 13 14:23:03 2018
committer Commit Bot <commit-bot@chromium.org> Thu Sep 13 15:20:07 2018
tree 2364d56a8200bc31a9653e26718b3f4f5bca907e
parent 12e7bc396da993d99b003ad2a29bd7240d64902b

Print filename on open failure in FrameGenerator.

Bug: webrtc:9510
Change-Id: I45b09bc6ed31b95d43ae68e26223d2664affa2af
Reviewed-on: https://webrtc-review.googlesource.com/100300
Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24731}

test/frame_generator.cc

diff --git a/test/frame_generator.cc b/test/frame_generator.cc
index 45d5f2f..acd63f9 100644
--- a/test/frame_generator.cc
+++ b/test/frame_generator.cc
@@ -472,7 +472,7 @@
   std::vector<FILE*> files;
   for (const std::string& filename : filenames) {
     FILE* file = fopen(filename.c_str(), "rb");
-    RTC_DCHECK(file != nullptr);
+    RTC_DCHECK(file != nullptr) << "Failed to open: '" << filename << "'\n";
     files.push_back(file);
   }