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