64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright (c) 2024, 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 "precompiled.hpp"
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#include "nmt/nmtNativeCallStackStorage.hpp"
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#include "runtime/os.hpp"
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#include "unittest.hpp"
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using NCSS = NativeCallStackStorage;
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class NMTNativeCallStackStorageTest : public testing::Test {};
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TEST_VM_F(NMTNativeCallStackStorageTest, DoNotStoreStackIfNotDetailed) {
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NativeCallStack ncs{};
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NCSS ncss(false);
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NCSS::StackIndex si = ncss.push(ncs);
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EXPECT_TRUE(NCSS::is_invalid(si));
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NativeCallStack ncs_received = ncss.get(si);
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EXPECT_TRUE(ncs_received.is_empty());
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}
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TEST_VM_F(NMTNativeCallStackStorageTest, CollisionsReceiveDifferentIndexes) {
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constexpr const int nr_of_stacks = 10;
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NativeCallStack ncs_arr[nr_of_stacks];
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for (int i = 0; i < nr_of_stacks; i++) {
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ncs_arr[i] = NativeCallStack((address*)(&i), 1);
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}
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NCSS ncss(true, 1);
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NCSS::StackIndex si_arr[nr_of_stacks];
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for (int i = 0; i < nr_of_stacks; i++) {
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si_arr[i] = ncss.push(ncs_arr[i]);
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}
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// Every SI should be different as every sack is different
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for (int i = 0; i < nr_of_stacks; i++) {
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for (int j = 0; j < nr_of_stacks; j++) {
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if (i == j) continue;
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EXPECT_FALSE(NCSS::equals(si_arr[i],si_arr[j]));
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}
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}
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}
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