Fail tests fast if overriding the Windows registry fails.

chrome_elf/blacklist/test/blacklist_test.cc

 // Copyright 2013 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.
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/environment.h"
 #include "base/files/file.h"
@@ skipping 125 matching lines @@
     base::string16 temp = nt::GetTestingOverride(nt::HKCU);
     if (!temp.empty())
       ASSERT_TRUE(::SetEnvironmentVariableW(L"hkcu_override", temp.c_str()));
     temp = nt::GetTestingOverride(nt::HKLM);
     if (!temp.empty())
       ASSERT_TRUE(::SetEnvironmentVariableW(L"hklm_override", temp.c_str()));
   }
 
   void SetUp() override {
     base::string16 temp;
-    override_manager_.OverrideRegistry(HKEY_CURRENT_USER, &temp);
+    ASSERT_NO_FATAL_FAILURE(
+        override_manager_.OverrideRegistry(HKEY_CURRENT_USER, &temp));
     ASSERT_TRUE(nt::SetTestingOverride(nt::HKCU, temp));
 
     // Make the override path available to our test DLL.
     IpcOverrides();
 
     // Load the main test Dll now.
     // Note: this has to happen after we set up the registry overrides.
     HMODULE dll = nullptr;
     dll = ::LoadLibraryW(L"blacklist_test_main_dll.dll");
     if (!dll)
@@ skipping 222 matching lines @@
                                        &blacklist_state);
   EXPECT_EQ(blacklist_state, blacklist::BLACKLIST_SETUP_RUNNING);
 
   DWORD attempt_count = blacklist::kBeaconMaxAttempts;
   blacklist_registry_key_->ReadValueDW(blacklist::kBeaconAttemptCount,
                                        &attempt_count);
   EXPECT_EQ(static_cast<DWORD>(0), attempt_count);
 }
 
 }  // namespace