Hook-allocation on bleeding edge

test/cctest/cctest.h

Index: test/cctest/cctest.h
diff --git a/test/cctest/cctest.h b/test/cctest/cctest.h
index 193126a0818e91a1aac21a900c0b0db476c7467d..f18bf5db90fe661d2ea43d2255324ed18eb86a31 100644
--- a/test/cctest/cctest.h
+++ b/test/cctest/cctest.h
@@ -300,4 +300,38 @@ static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
 }
 
 
+// Helper class for new allocations tracking and checking
+class HeapObjectsTracker {
+ public:
+  HeapObjectsTracker() {
+    heap_profiler_ = i::Isolate::Current()->heap_profiler();
+    CHECK_NE(NULL, heap_profiler_);
+
+    heap_profiler_->StartHeapObjectsTracking();
+
+    HEAP->CollectAllAvailableGarbage();
+    HEAP->CollectAllAvailableGarbage();
+    HEAP->CollectAllAvailableGarbage();
+    untracked_on_start_ = heap_profiler_->CheckAllocationsTracking();
+  }
+
+  virtual ~HeapObjectsTracker() {
+    CHECK_GE(0, test());
+    heap_profiler_->StopHeapObjectsTracking();
+  }
+
+  int test() {
+    HEAP->CollectAllAvailableGarbage();
+    HEAP->CollectAllAvailableGarbage();
+    HEAP->CollectAllAvailableGarbage();
+
+    return heap_profiler_->CheckAllocationsTracking() - untracked_on_start_;
+  }
+
+ private:
+  i::HeapProfiler* heap_profiler_;
+  int untracked_on_start_;
+};
+
+
 #endif  // ifndef CCTEST_H_