Print stack trace on exception in unit tests on Windows....

base/test_suite.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_TEST_SUITE_H_
 #define BASE_TEST_SUITE_H_
 
 // Defines a basic test suite framework for running gtest based tests.  You can
 // instantiate this class in your main function and call its Run method to run
 // any gtest based tests that are linked into your executable.
@@ skipping 22 matching lines @@
 
 #if defined(OS_LINUX)
 #include <gtk/gtk.h>
 #endif
 
 #if defined(OS_POSIX)
 static void TestSuiteCrashHandler(int signal) {
   StackTrace().PrintBacktrace();
   _exit(1);
 }
-#endif
+#endif  // OS_POSIX
+
+#if defined(OS_WIN)
+// Previous unhandled filter. Will be called if not NULL when we intercept an
+// exception.
+__declspec(selectany) LPTOP_LEVEL_EXCEPTION_FILTER g_previous_filter = NULL;
+
+// Prints the exception call stack.
+// This is the unit tests exception filter.
+inline long WINAPI UnitTestExceptionFilter(EXCEPTION_POINTERS* info) {
+  StackTrace(info).PrintBacktrace();
+  if (g_previous_filter)
+    return g_previous_filter(info);
+  return EXCEPTION_EXECUTE_HANDLER;
+}
+#endif  // OS_WIN
 
 class TestSuite {
  public:
   TestSuite(int argc, char** argv) {
     base::EnableTerminationOnHeapCorruption();
     CommandLine::Init(argc, argv);
     testing::InitGoogleTest(&argc, argv);
 #if defined(OS_LINUX)
     g_thread_init(NULL);
     gtk_init_check(&argc, &argv);
@@ skipping 94 matching lines @@
 
     // In some cases, we do not want to see standard error dialogs.
     if (!IsDebuggerPresent() &&
         !CommandLine::ForCurrentProcess()->HasSwitch(L"show-error-dialogs")) {
       SuppressErrorDialogs();
 #if !defined(PURIFY)
       // When the code in this file moved around, bug 6436 resurfaced.
       // As a hack workaround, just #ifdef out this code for Purify builds.
       logging::SetLogAssertHandler(UnitTestAssertHandler);
 #endif  // !defined(PURIFY)
+      // Add stack dumping support on exception on windows. Similar to OS_POSIX
+      // signal() handling above.
+      g_previous_filter = SetUnhandledExceptionFilter(&UnitTestExceptionFilter);
     }
 #endif  // defined(OS_WIN)
 
     icu_util::Initialize();
   }
 
   virtual void Shutdown() {
   }
 
   // Make sure that we setup an AtExitManager so Singleton objects will be
   // destroyed.
   base::AtExitManager at_exit_manager_;
 };
 
 #endif  // BASE_TEST_SUITE_H_