Move debug-related stuff from base to the base/debug directory and use the...

base/leak_tracker_unittest.cc

-// Copyright (c) 2009 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 "base/leak_tracker.h"
-#include "base/scoped_ptr.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class ClassA {
- private:
-  base::LeakTracker<ClassA> leak_tracker_;
-};
-
-class ClassB {
- private:
-  base::LeakTracker<ClassB> leak_tracker_;
-};
-
-#ifndef ENABLE_LEAK_TRACKER
-
-// If leak tracking is disabled, we should do nothing.
-TEST(LeakTrackerTest, NotEnabled) {
-  EXPECT_EQ(-1, base::LeakTracker<ClassA>::NumLiveInstances());
-  EXPECT_EQ(-1, base::LeakTracker<ClassB>::NumLiveInstances());
-
-  // Use scoped_ptr so compiler doesn't complain about unused variables.
-  scoped_ptr<ClassA> a1(new ClassA);
-  scoped_ptr<ClassB> b1(new ClassB);
-  scoped_ptr<ClassB> b2(new ClassB);
-
-  EXPECT_EQ(-1, base::LeakTracker<ClassA>::NumLiveInstances());
-  EXPECT_EQ(-1, base::LeakTracker<ClassB>::NumLiveInstances());
-}
-
-#else
-
-TEST(LeakTrackerTest, Basic) {
-  {
-    ClassA a1;
-
-    EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
-    EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-
-    ClassB b1;
-    ClassB b2;
-
-    EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
-    EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
-
-    scoped_ptr<ClassA> a2(new ClassA);
-
-    EXPECT_EQ(2, base::LeakTracker<ClassA>::NumLiveInstances());
-    EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
-
-    a2.reset();
-
-    EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
-    EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
-  }
-
-  EXPECT_EQ(0, base::LeakTracker<ClassA>::NumLiveInstances());
-  EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-}
-
-// Try some orderings of create/remove to hit different cases in the linked-list
-// assembly.
-TEST(LeakTrackerTest, LinkedList) {
-  EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-
-  scoped_ptr<ClassA> a1(new ClassA);
-  scoped_ptr<ClassA> a2(new ClassA);
-  scoped_ptr<ClassA> a3(new ClassA);
-  scoped_ptr<ClassA> a4(new ClassA);
-
-  EXPECT_EQ(4, base::LeakTracker<ClassA>::NumLiveInstances());
-
-  // Remove the head of the list (a1).
-  a1.reset();
-  EXPECT_EQ(3, base::LeakTracker<ClassA>::NumLiveInstances());
-
-  // Remove the tail of the list (a4).
-  a4.reset();
-  EXPECT_EQ(2, base::LeakTracker<ClassA>::NumLiveInstances());
-
-  // Append to the new tail of the list (a3).
-  scoped_ptr<ClassA> a5(new ClassA);
-  EXPECT_EQ(3, base::LeakTracker<ClassA>::NumLiveInstances());
-
-  a2.reset();
-  a3.reset();
-
-  EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
-
-  a5.reset();
-  EXPECT_EQ(0, base::LeakTracker<ClassA>::NumLiveInstances());
-}
-
-TEST(LeakTrackerTest, NoOpCheckForLeaks) {
-  // There are no live instances of ClassA, so this should do nothing.
-  base::LeakTracker<ClassA>::CheckForLeaks();
-}
-
-#endif  // ENABLE_LEAK_TRACKER
-
-}  // namespace