/* * 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.
*/
class ZBitMapTest : public ::testing::Test { protected: staticvoid test_set_pair_unset(size_t size, bool finalizable) {
ZBitMap bitmap(size);
for (BitMap::idx_t i = 0; i < size - 1; i++) { if ((i + 1) % BitsPerWord == 0) { // Can't set pairs of bits in different words. continue;
}
// ZBitMaps are not cleared when constructed.
bitmap.clear();
bool inc_live = false;
bool ret = bitmap.par_set_bit_pair(i, finalizable, inc_live);
EXPECT_TRUE(ret) << "Failed to set bit";
EXPECT_TRUE(inc_live) << "Should have set inc_live";
// First bit should always be set
EXPECT_TRUE(bitmap.at(i)) << "Should be set";
// Second bit should only be set when marking strong
EXPECT_NE(bitmap.at(i + 1), finalizable);
}
}
for (BitMap::idx_t i = 0; i < size - 1; i++) { if ((i + 1) % BitsPerWord == 0) { // Can't set pairs of bits in different words. continue;
}
// Fill the bitmap with ones.
bitmap.set_range(0, size);
bool inc_live = false;
bool ret = bitmap.par_set_bit_pair(i, finalizable, inc_live);
EXPECT_FALSE(ret) << "Should not succeed setting bit";
EXPECT_FALSE(inc_live) << "Should not have set inc_live";
// Both bits were pre-set.
EXPECT_TRUE(bitmap.at(i)) << "Should be set";
EXPECT_TRUE(bitmap.at(i + 1)) << "Should be set";
}
}
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