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src/share/vm/gc/g1/heapRegionSet.cpp
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rev 11753 : 8159817: Convert FreeRegionList_test to GTest
Reviewed-by: duke
*** 368,419 ****
} else {
guarantee(Heap_lock->owned_by_self(),
"master humongous set MT safety protocol outside a safepoint");
}
}
-
- void FreeRegionList_test() {
- FreeRegionList l("test");
-
- const uint num_regions_in_test = 5;
- // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
- // does not access it.
- MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
- // Allocate a fake BOT because the HeapRegion constructor initializes
- // the BOT.
- size_t bot_size = G1BlockOffsetTable::compute_size(heap.word_size());
- HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
- ReservedSpace bot_rs(G1BlockOffsetTable::compute_size(heap.word_size()));
- G1RegionToSpaceMapper* bot_storage =
- G1RegionToSpaceMapper::create_mapper(bot_rs,
- bot_rs.size(),
- os::vm_page_size(),
- HeapRegion::GrainBytes,
- BOTConstants::N_bytes,
- mtGC);
- G1BlockOffsetTable bot(heap, bot_storage);
- bot_storage->commit_regions(0, num_regions_in_test);
-
- // Set up memory regions for the heap regions.
- MemRegion mr0(heap.start(), HeapRegion::GrainWords);
- MemRegion mr1(mr0.end(), HeapRegion::GrainWords);
- MemRegion mr2(mr1.end(), HeapRegion::GrainWords);
- MemRegion mr3(mr2.end(), HeapRegion::GrainWords);
- MemRegion mr4(mr3.end(), HeapRegion::GrainWords);
-
- HeapRegion hr0(0, &bot, mr0);
- HeapRegion hr1(1, &bot, mr1);
- HeapRegion hr2(2, &bot, mr2);
- HeapRegion hr3(3, &bot, mr3);
- HeapRegion hr4(4, &bot, mr4);
- l.add_ordered(&hr1);
- l.add_ordered(&hr0);
- l.add_ordered(&hr3);
- l.add_ordered(&hr4);
- l.add_ordered(&hr2);
- assert(l.length() == num_regions_in_test, "wrong length");
- l.verify_list();
-
- bot_storage->uncommit_regions(0, num_regions_in_test);
- delete bot_storage;
- FREE_C_HEAP_ARRAY(HeapWord, bot_data);
- }
--- 368,372 ----
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