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src/share/vm/gc/g1/heapRegionSet.cpp

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 372   }
 373 }
 374 
 375 void FreeRegionList_test() {
 376   FreeRegionList l("test");
 377 
 378   const uint num_regions_in_test = 5;
 379   // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
 380   // does not access it.
 381   MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
 382   // Allocate a fake BOT because the HeapRegion constructor initializes
 383   // the BOT.
 384   size_t bot_size = G1BlockOffsetTable::compute_size(heap.word_size());
 385   HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
 386   ReservedSpace bot_rs(G1BlockOffsetTable::compute_size(heap.word_size()));
 387   G1RegionToSpaceMapper* bot_storage =
 388     G1RegionToSpaceMapper::create_mapper(bot_rs,
 389                                          bot_rs.size(),
 390                                          os::vm_page_size(),
 391                                          HeapRegion::GrainBytes,
 392                                          G1BlockOffsetTable::N_bytes,
 393                                          mtGC);
 394   G1BlockOffsetTable bot(heap, bot_storage);
 395   bot_storage->commit_regions(0, num_regions_in_test);
 396 
 397   // Set up memory regions for the heap regions.
 398   MemRegion mr0(heap.start(), HeapRegion::GrainWords);
 399   MemRegion mr1(mr0.end(), HeapRegion::GrainWords);
 400   MemRegion mr2(mr1.end(), HeapRegion::GrainWords);
 401   MemRegion mr3(mr2.end(), HeapRegion::GrainWords);
 402   MemRegion mr4(mr3.end(), HeapRegion::GrainWords);
 403 
 404   HeapRegion hr0(0, &bot, mr0);
 405   HeapRegion hr1(1, &bot, mr1);
 406   HeapRegion hr2(2, &bot, mr2);
 407   HeapRegion hr3(3, &bot, mr3);
 408   HeapRegion hr4(4, &bot, mr4);
 409   l.add_ordered(&hr1);
 410   l.add_ordered(&hr0);
 411   l.add_ordered(&hr3);
 412   l.add_ordered(&hr4);


 372   }
 373 }
 374 
 375 void FreeRegionList_test() {
 376   FreeRegionList l("test");
 377 
 378   const uint num_regions_in_test = 5;
 379   // Create a fake heap. It does not need to be valid, as the HeapRegion constructor
 380   // does not access it.
 381   MemRegion heap(NULL, num_regions_in_test * HeapRegion::GrainWords);
 382   // Allocate a fake BOT because the HeapRegion constructor initializes
 383   // the BOT.
 384   size_t bot_size = G1BlockOffsetTable::compute_size(heap.word_size());
 385   HeapWord* bot_data = NEW_C_HEAP_ARRAY(HeapWord, bot_size, mtGC);
 386   ReservedSpace bot_rs(G1BlockOffsetTable::compute_size(heap.word_size()));
 387   G1RegionToSpaceMapper* bot_storage =
 388     G1RegionToSpaceMapper::create_mapper(bot_rs,
 389                                          bot_rs.size(),
 390                                          os::vm_page_size(),
 391                                          HeapRegion::GrainBytes,
 392                                          BOTConstants::N_bytes,
 393                                          mtGC);
 394   G1BlockOffsetTable bot(heap, bot_storage);
 395   bot_storage->commit_regions(0, num_regions_in_test);
 396 
 397   // Set up memory regions for the heap regions.
 398   MemRegion mr0(heap.start(), HeapRegion::GrainWords);
 399   MemRegion mr1(mr0.end(), HeapRegion::GrainWords);
 400   MemRegion mr2(mr1.end(), HeapRegion::GrainWords);
 401   MemRegion mr3(mr2.end(), HeapRegion::GrainWords);
 402   MemRegion mr4(mr3.end(), HeapRegion::GrainWords);
 403 
 404   HeapRegion hr0(0, &bot, mr0);
 405   HeapRegion hr1(1, &bot, mr1);
 406   HeapRegion hr2(2, &bot, mr2);
 407   HeapRegion hr3(3, &bot, mr3);
 408   HeapRegion hr4(4, &bot, mr4);
 409   l.add_ordered(&hr1);
 410   l.add_ordered(&hr0);
 411   l.add_ordered(&hr3);
 412   l.add_ordered(&hr4);
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