Large heap collection type hits assertion in Heap::allocationSizeFromSize

third_party/WebKit/Source/platform/heap/HeapTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 2407 matching lines @@
         EXPECT_EQ(10, LargeHeapObject::s_destructorCalls);
     }
     clearOutOldGarbage();
     EXPECT_TRUE(initialObjectPayloadSize == heap.objectPayloadSizeForTesting());
     EXPECT_TRUE(initialAllocatedSpace == heap.heapStats().allocatedSpace());
     EXPECT_EQ(11, IntWrapper::s_destructorCalls);
     EXPECT_EQ(11, LargeHeapObject::s_destructorCalls);
     preciselyCollectGarbage();
 }
 
+TEST(HeapTest, LargeHashMap)
+{
+    clearOutOldGarbage();
+
+    size_t size = (1 << 27) / sizeof(int);
+    Persistent<HeapHashMap<int, Member<IntWrapper>>> map = new HeapHashMap<int, Member<IntWrapper>>();
+    map->reserveCapacityForSize(size);
+    EXPECT_LE(size, map->capacity());
+}
+
+TEST(HeapTest, LargeVector)
+{
+    clearOutOldGarbage();
+
+    size_t size = (1 << 27) / sizeof(int);
+    Persistent<HeapVector<int>> vector = new HeapVector<int>(size);
+    EXPECT_LE(size, vector->capacity());
+}
+
 typedef std::pair<Member<IntWrapper>, int> PairWrappedUnwrapped;
 typedef std::pair<int, Member<IntWrapper>> PairUnwrappedWrapped;
 typedef std::pair<WeakMember<IntWrapper>, Member<IntWrapper>> PairWeakStrong;
 typedef std::pair<Member<IntWrapper>, WeakMember<IntWrapper>> PairStrongWeak;
 typedef std::pair<WeakMember<IntWrapper>, int> PairWeakUnwrapped;
 typedef std::pair<int, WeakMember<IntWrapper>> PairUnwrappedWeak;
 
 class Container : public GarbageCollected<Container> {
 public:
     static Container* create() { return new Container(); }
@@ skipping 4486 matching lines @@
     static_assert(WTF::IsGarbageCollectedType<HeapLinkedHashSet<Member<IntWrapper>>>::value, "HeapLinkedHashSet");
     static_assert(WTF::IsGarbageCollectedType<HeapListHashSet<Member<IntWrapper>>>::value, "HeapListHashSet");
     static_assert(WTF::IsGarbageCollectedType<HeapHashCountedSet<Member<IntWrapper>>>::value, "HeapHashCountedSet");
     static_assert(WTF::IsGarbageCollectedType<HeapHashMap<int, Member<IntWrapper>>>::value, "HeapHashMap");
     static_assert(WTF::IsGarbageCollectedType<HeapVector<Member<IntWrapper>>>::value, "HeapVector");
     static_assert(WTF::IsGarbageCollectedType<HeapDeque<Member<IntWrapper>>>::value, "HeapDeque");
     static_assert(WTF::IsGarbageCollectedType<HeapTerminatedArray<Member<IntWrapper>>>::value, "HeapTerminatedArray");
 }
 
 } // namespace blink