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/*
* Copyright (c) 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 "memory/resourceArea.hpp"
#include "utilities/bitMap.inline.hpp"
#include "unittest.hpp"
class BitMapTest {
template <class ResizableBitMapClass>
static void fillBitMap(ResizableBitMapClass& map) {
map.set_bit(1);
map.set_bit(3);
map.set_bit(17);
map.set_bit(512);
}
template <class ResizableBitMapClass>
static void testResize(BitMap::idx_t start_size) {
ResourceMark rm;
ResizableBitMapClass map(start_size);
map.resize(BITMAP_SIZE);
fillBitMap(map);
ResizableBitMapClass map2(BITMAP_SIZE);
fillBitMap(map2);
EXPECT_TRUE(map.is_same(map2)) << "With start_size " << start_size;
}
public:
const static BitMap::idx_t BITMAP_SIZE = 1024;
template <class ResizableBitMapClass>
static void testResizeGrow() {
testResize<ResizableBitMapClass>(0);
testResize<ResizableBitMapClass>(BITMAP_SIZE >> 3);
}
template <class ResizableBitMapClass>
static void testResizeSame() {
testResize<ResizableBitMapClass>(BITMAP_SIZE);
}
template <class ResizableBitMapClass>
static void testResizeShrink() {
testResize<ResizableBitMapClass>(BITMAP_SIZE * 2);
}
template <class InitializableBitMapClass>
static void testInitialize() {
ResourceMark rm;
InitializableBitMapClass map;
map.initialize(BITMAP_SIZE);
fillBitMap(map);
InitializableBitMapClass map2(BITMAP_SIZE);
fillBitMap(map2);
EXPECT_TRUE(map.is_same(map2));
}
static void testReinitialize(BitMap::idx_t init_size) {
ResourceMark rm;
ResourceBitMap map(init_size);
map.reinitialize(BITMAP_SIZE);
fillBitMap(map);
ResourceBitMap map2(BITMAP_SIZE);
fillBitMap(map2);
EXPECT_TRUE(map.is_same(map2)) << "With init_size " << init_size;
}
};
TEST_VM(BitMap, resize_grow) {
BitMapTest::testResizeGrow<ResourceBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type ResourceBitMap";
BitMapTest::testResizeGrow<CHeapBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type CHeapBitMap";
}
TEST_VM(BitMap, resize_shrink) {
BitMapTest::testResizeShrink<ResourceBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type ResourceBitMap";
BitMapTest::testResizeShrink<CHeapBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type CHeapBitMap";
}
TEST_VM(BitMap, resize_same) {
BitMapTest::testResizeSame<ResourceBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type ResourceBitMap";
BitMapTest::testResizeSame<CHeapBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type CHeapBitMap";
}
TEST_VM(BitMap, initialize) {
BitMapTest::testInitialize<ResourceBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type ResourceBitMap";
BitMapTest::testInitialize<CHeapBitMap>();
EXPECT_FALSE(HasFailure()) << "Failed on type CHeapBitMap";
}
TEST_VM(BitMap, reinitialize) {
BitMapTest::testReinitialize(0);
BitMapTest::testReinitialize(BitMapTest::BITMAP_SIZE >> 3);
BitMapTest::testReinitialize(BitMapTest::BITMAP_SIZE);
}
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