From 40dc98a117c1f050c4b95ab443af984ec2c33449 Mon Sep 17 00:00:00 2001
From: Danil Chapovalov <danilchap@webrtc.org>
Date: Mon, 12 Aug 2019 13:40:47 +0200
Subject: [PATCH] Print stack trace when a test crash

That should simplify debugging failures caused by RTC_DCHECK/RTC_CHECK

TBR=kwiberg@webrtc.org [to pass DEPS change check]

Bug: None
Change-Id: Idb8be3b79309b4ad0baf5ae480356aa5c8cfe361
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/148802
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28832}
---
 test/BUILD.gn     | 2 ++
 test/DEPS         | 4 ++++
 test/test_main.cc | 8 ++++++++
 3 files changed, 14 insertions(+)

diff --git a/test/BUILD.gn b/test/BUILD.gn
index bd99b5dd2b..7dafa3ab93 100644
--- a/test/BUILD.gn
+++ b/test/BUILD.gn
@@ -278,6 +278,8 @@ if (rtc_include_tests) {
 
     deps = [
       ":test_main_lib",
+      "//third_party/abseil-cpp/absl/debugging:failure_signal_handler",
+      "//third_party/abseil-cpp/absl/debugging:symbolize",
     ]
   }
 
diff --git a/test/DEPS b/test/DEPS
index 02810f2936..0f4fd2fcce 100644
--- a/test/DEPS
+++ b/test/DEPS
@@ -46,6 +46,10 @@ specific_include_rules = {
   ".*stun_validator_fuzzer\.cc": [
     "+p2p/base/stun.h",
   ],
+  ".*test_main\.cc": [
+    "+absl/debugging/failure_signal_handler.h",
+    "+absl/debugging/symbolize.h",
+  ],
   ".*test_peer\.(h|cc)": [
     "+pc",
     "+p2p",
diff --git a/test/test_main.cc b/test/test_main.cc
index 1a311f63c2..5046979548 100644
--- a/test/test_main.cc
+++ b/test/test_main.cc
@@ -10,9 +10,17 @@
 
 #include <memory>
 
+#include "absl/debugging/failure_signal_handler.h"
+#include "absl/debugging/symbolize.h"
 #include "test/test_main_lib.h"
 
 int main(int argc, char* argv[]) {
+  // Initialize the symbolizer to get a human-readable stack trace
+  absl::InitializeSymbolizer(argv[0]);
+
+  absl::FailureSignalHandlerOptions options;
+  absl::InstallFailureSignalHandler(options);
+
   std::unique_ptr<webrtc::TestMain> main = webrtc::TestMain::Create();
   int err_code = main->Init(&argc, argv);
   if (err_code != 0) {