From 8be5805dff9a60f9a569bb00dc2d4ce9751009ea Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Mon, 22 Jul 2019 12:06:34 -0700
Subject: [PATCH] Exit flutter_tester with an error code on an unhandled
 exception (flutter/engine#9932)

---
 engine/src/flutter/shell/testing/tester_main.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/engine/src/flutter/shell/testing/tester_main.cc b/engine/src/flutter/shell/testing/tester_main.cc
index e36ba8252a..2acfae056f 100644
--- a/engine/src/flutter/shell/testing/tester_main.cc
+++ b/engine/src/flutter/shell/testing/tester_main.cc
@@ -266,6 +266,15 @@ int main(int argc, char* argv[]) {
     fml::MessageLoop::GetCurrent().RemoveTaskObserver(key);
   };
 
+  settings.unhandled_exception_callback = [](const std::string& error,
+                                             const std::string& stack_trace) {
+    FML_LOG(ERROR) << "Unhandled exception" << std::endl
+                   << "Exception: " << error << std::endl
+                   << "Stack trace: " << stack_trace;
+    ::exit(1);
+    return true;
+  };
+
   return flutter::RunTester(
       settings, command_line.HasOption(
                     flutter::FlagForSwitch(flutter::Switch::RunForever)));