[cctest] Add tests for aborting compaction of pages

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index f5f66914fcf441c8eafd93c85b84ac0be249f118..69445e2558584307fa54af70b4307aac1a0399c3 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -813,6 +813,7 @@ class Heap {
   // TODO(hpayer): There is still a missmatch between capacity and actual
   // committed memory size.
   bool CanExpandOldGeneration(int size) {
+    if (force_oom_) return false;
     return (CommittedOldGenerationMemory() + size) < MaxOldGenerationSize();
   }
 
@@ -2113,6 +2114,8 @@ class Heap {
 
   MUST_USE_RESULT AllocationResult InternalizeString(String* str);
 
+  void set_force_oom(bool value) { force_oom_ = value; }
+
   // The amount of external memory registered through the API kept alive
   // by global handles
   int64_t amount_of_external_allocated_memory_;
@@ -2363,6 +2366,9 @@ class Heap {
 
   ArrayBufferTracker* array_buffer_tracker_;
 
+  // Used for testing purposes.
+  bool force_oom_;
+
   // Classes in "heap" can be friends.
   friend class AlwaysAllocateScope;
   friend class GCCallbacksScope;