Keep only base/extractor.[cc|h].

testing/unittest_debug_helper.h

-// Copyright 2005-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-// Unit Test Debug Helper
-
-// This file contains assert override functions
-// It is meant to be #included only in unittest.cc files.
-
-#ifndef OMAHA_TESTING_UNITTEST_DEBUG_HELPER_H__
-#define OMAHA_TESTING_UNITTEST_DEBUG_HELPER_H__
-
-#include "base/basictypes.h"
-#include "omaha/base/debug.h"
-#include "third_party/gtest/include/gtest/gtest.h"
-
-namespace omaha {
-
-typedef int AssertResponse;
-#define IGNORE_ALWAYS 0
-#define IGNORE_ONCE   0
-
-extern int g_assert_count;
-
-// A class with no methods which will, once acquired, cause asserts to
-// be routed through the given function; once released, they will return
-// to the previous handler.
-class UseAssertFunction {
- public:
-  explicit UseAssertFunction(DebugAssertFunctionType *function) {
-    function;
-    old_function_ = REPLACE_ASSERT_FUNCTION(function);
-  }
-
-  ~UseAssertFunction() {
-    REPLACE_ASSERT_FUNCTION(old_function_);
-  }
-
-  bool asserts_enabled() {
-    return old_function_ != NULL;  // "!= NULL" fixes the perf warning C4800
-  }
-
- private:
-  DebugAssertFunctionType *old_function_;
-  DISALLOW_EVIL_CONSTRUCTORS(UseAssertFunction);
-};
-
-
-// A class with no methods which will send asserts to GTest as failures;
-// once released, it restores the assert handler to the previous handler.
-// Example usage:
-//  int main() {
-//    // Report asserts to GTest, not a messagebox.
-//    FailOnAssert a;
-//    return RUN_ALL_TESTS();
-//  }
-class FailOnAssert {
- public:
-  FailOnAssert() : inner_(AssertHandler) {
-  }
-
-  static AssertResponse AssertHandler(const char *expression,
-      const char *message, const char *file, int line) {
-    ADD_FAILURE() << "ASSERT in " << file << "(" << line << "): "
-                  << expression << "; \"" << message << "\"";
-    return IGNORE_ALWAYS;
-  }
-
- private:
-  UseAssertFunction inner_;
-  DISALLOW_EVIL_CONSTRUCTORS(FailOnAssert);
-};
-
-// A class with no methods which will cause asserts to be ignored;
-// once released, it restores the assert handler to the previous handler.
-// Example usage:
-//  test1() {
-//    IngoreAssert a;
-//    TestSomethingWhichMayOrMayNotAssert();
-//  }
-class IgnoreAsserts {
- public:
-  IgnoreAsserts() : inner_(AssertHandler) {
-  }
-
-  static AssertResponse AssertHandler(const char *,
-                                      const char *,
-                                      const char *,
-                                      int) {
-    return IGNORE_ALWAYS;
-  }
-
- private:
-  UseAssertFunction inner_;
-  DISALLOW_EVIL_CONSTRUCTORS(IgnoreAsserts);
-};
-
-// A class with no methods which will cause asserts to be counted but otherwise
-// ignored; once released, a GTest assert will be run to see if any asserts
-// were fired, and the assert handler will be restored to the previous handler.
-// Example usage:
-//  test2() {
-//    ExpectAsserts a;
-//    TestSomethingWhichIsKnownToAssert();
-//  }
-class ExpectAsserts {
- public:
-  ExpectAsserts() : inner_(AssertHandler),
-    old_assert_count_(g_assert_count) {
-  }
-
-  ~ExpectAsserts() {
-    DeInit();
-  }
-
-  static AssertResponse AssertHandler(const char *,
-                                      const char *,
-                                      const char *,
-                                      int) {
-    ++g_assert_count;
-    return IGNORE_ONCE;
-  }
- private:
-  void DeInit() {
-    if (inner_.asserts_enabled()) {
-      ASSERT_GT(g_assert_count, old_assert_count_)
-          << "This test was expected to trigger at least one assert.";
-    }
-  }
-
-  int old_assert_count_;
-  UseAssertFunction inner_;
-  DISALLOW_EVIL_CONSTRUCTORS(ExpectAsserts);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_TESTING_UNITTEST_DEBUG_HELPER_H__