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43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
/*
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* Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "nmt/memTag.hpp"
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#include "nmt/vmatree.hpp"
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#include "unittest.hpp"
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// The SummaryDiff is seldom used with a large number of tags
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// so test that separately.
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TEST(NMTSummaryDiffTest, WorksForLargeTagCount) {
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VMATree::SummaryDiff d;
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for (int i = 0; i < std::numeric_limits<std::underlying_type_t<MemTag>>::max(); i++) {
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VMATree::SingleDiff& sd = d.tag(i);
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sd.reserve = i;
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}
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for (int i = 0; i < std::numeric_limits<std::underlying_type_t<MemTag>>::max(); i++) {
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VMATree::SingleDiff& sd = d.tag(i);
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EXPECT_EQ(i, sd.reserve);
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}
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}
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