Make test-dictionary work for GC stress builder.

test/cctest/cctest.h

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 215 matching lines @@
 }
 
 
 // Pick a slightly different port to allow tests to be run in parallel.
 static inline int FlagDependentPortOffset() {
   return ::v8::internal::FLAG_crankshaft == false ? 100 :
          ::v8::internal::FLAG_always_opt ? 200 : 0;
 }
 
 
+// Helper function that simulates a fill new-space in the heap.
+static inline void SimulateFullSpace(v8::internal::NewSpace* space) {
+  int new_linear_size = static_cast<int>(
+      *space->allocation_limit_address() - *space->allocation_top_address());
+  v8::internal::MaybeObject* maybe = space->AllocateRaw(new_linear_size);
+  v8::internal::FreeListNode* node = v8::internal::FreeListNode::cast(maybe);
+  node->set_size(space->heap(), new_linear_size);
+}
+
+
+// Helper function that simulates a full old-space in the heap.
+static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
+  int old_linear_size = static_cast<int>(space->limit() - space->top());
+  space->Free(space->top(), old_linear_size);
+  space->SetTop(space->limit(), space->limit());
+  space->ResetFreeList();
+  space->ClearStats();
+}
+
+
 #endif  // ifndef CCTEST_H_