derek.holloway
7502bf64a4
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47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
//===-- stats_test.cpp ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "tests/scudo_unit_test.h"
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#include "stats.h"
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TEST(ScudoStatsTest, LocalStats) {
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scudo::LocalStats LStats;
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LStats.init();
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for (scudo::uptr I = 0; I < scudo::StatCount; I++)
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EXPECT_EQ(LStats.get(static_cast<scudo::StatType>(I)), 0U);
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LStats.add(scudo::StatAllocated, 4096U);
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EXPECT_EQ(LStats.get(scudo::StatAllocated), 4096U);
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LStats.sub(scudo::StatAllocated, 4096U);
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EXPECT_EQ(LStats.get(scudo::StatAllocated), 0U);
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LStats.set(scudo::StatAllocated, 4096U);
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EXPECT_EQ(LStats.get(scudo::StatAllocated), 4096U);
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}
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TEST(ScudoStatsTest, GlobalStats) {
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scudo::GlobalStats GStats;
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GStats.init();
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scudo::uptr Counters[scudo::StatCount] = {};
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GStats.get(Counters);
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for (scudo::uptr I = 0; I < scudo::StatCount; I++)
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EXPECT_EQ(Counters[I], 0U);
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scudo::LocalStats LStats;
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LStats.init();
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GStats.link(&LStats);
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for (scudo::uptr I = 0; I < scudo::StatCount; I++)
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LStats.add(static_cast<scudo::StatType>(I), 4096U);
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GStats.get(Counters);
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for (scudo::uptr I = 0; I < scudo::StatCount; I++)
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EXPECT_EQ(Counters[I], 4096U);
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// Unlinking the local stats move numbers to the global stats.
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GStats.unlink(&LStats);
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GStats.get(Counters);
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for (scudo::uptr I = 0; I < scudo::StatCount; I++)
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EXPECT_EQ(Counters[I], 4096U);
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}
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