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8159817: Convert FreeRegionList_test to GTest

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Reviewed-by: kbarrett
This commit is contained in:
Kirill Zhaldybin 2016-10-20 23:09:03 +03:00
parent 9577d94f76
commit 5eff90fe32
3 changed files with 80 additions and 50 deletions
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47
hotspot/src/share/vm/gc/g1/heapRegionSet.cpp
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@ -370,50 +370,3 @@ void HumongousRegionSetMtSafeChecker::check() {
"master humongous set MT safety protocol outside a safepoint"); "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);
}

3
hotspot/src/share/vm/utilities/internalVMTests.cpp
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@ -61,9 +61,6 @@ void InternalVMTests::run() {
#endif #endif
#if INCLUDE_ALL_GCS #if INCLUDE_ALL_GCS
run_unit_test(TestBufferingOopClosure_test); run_unit_test(TestBufferingOopClosure_test);
if (UseG1GC) {
run_unit_test(FreeRegionList_test);
}
run_unit_test(WorkerDataArray_test); run_unit_test(WorkerDataArray_test);
run_unit_test(ParallelCompact_test); run_unit_test(ParallelCompact_test);
#endif #endif

80
hotspot/test/native/gc/g1/test_freeRegionList.cpp Normal file
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@ -0,0 +1,80 @@
/*
* Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "precompiled.hpp"
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "unittest.hpp"
// @requires UseG1GC
TEST_VM(FreeRegionList, length) {
if (!UseG1GC) {
return;
}
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);
EXPECT_EQ(l.length(), num_regions_in_test) << "Wrong free region list length";
l.verify_list();
bot_storage->uncommit_regions(0, num_regions_in_test);
delete bot_storage;
FREE_C_HEAP_ARRAY(HeapWord, bot_data);
}