[cctest] Add tests for aborting compaction of pages

src/heap/spaces.cc

 // Copyright 2011 the V8 project 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 "src/heap/spaces.h"
 
 #include "src/base/bits.h"
 #include "src/base/platform/platform.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/heap/slots-buffer.h"
@@ skipping 1150 matching lines @@
     Address next = cur + obj->Size();
     if ((cur <= addr) && (addr < next)) return obj;
   }
 
   UNREACHABLE();
   return Smi::FromInt(0);
 }
 
 
 bool PagedSpace::CanExpand(size_t size) {
+  if (heap()->force_oom()) return false;

[Hannes Payer (out of office), 2015/12/10 18:11:54]

This check should be done within heap()->CanExpandOldGeneration

Then you can also remove the friend.

[Michael Lippautz, 2015/12/10 18:20:54]

Done. Thanks for clarifying!

+
   DCHECK(heap()->mark_compact_collector()->is_compacting() ||
          Capacity() <= heap()->MaxOldGenerationSize());
 
   // Are we going to exceed capacity for this space? At this point we can be
   // way over the maximum size because of AlwaysAllocate scopes and large
   // objects.
   if (!heap()->CanExpandOldGeneration(static_cast<int>(size))) return false;
 
   return true;
 }
@@ skipping 2143 matching lines @@
     object->ShortPrint();
     PrintF("\n");
   }
   printf(" --------------------------------------\n");
   printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes());
 }
 
 #endif  // DEBUG
 }  // namespace internal
 }  // namespace v8