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/**
* Copyright (C) 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mongo/platform/basic.h"
#include <vector>
#include "mongo/util/processinfo.h"
#include "mongo/unittest/unittest.h"
using mongo::ProcessInfo;
namespace mongo_test {
TEST(ProcessInfo, SysInfoIsInitialized) {
ProcessInfo processInfo;
if (processInfo.supported()) {
ASSERT_FALSE(processInfo.getOsType().empty());
}
}
TEST(ProcessInfo, NonZeroPageSize) {
if (ProcessInfo::blockCheckSupported()) {
ASSERT_GREATER_THAN(ProcessInfo::getPageSize(), 0u);
}
}
const size_t PAGES = 10;
TEST(ProcessInfo, BlockInMemoryDoesNotThrowIfSupported) {
if (ProcessInfo::blockCheckSupported()) {
static char ptr[4096 * PAGES] = "This needs data to not be in .bss";
ProcessInfo::blockInMemory(ptr + ProcessInfo::getPageSize() * 2);
}
}
TEST(ProcessInfo, PagesInMemoryIsSensible) {
if (ProcessInfo::blockCheckSupported()) {
static char ptr[4096 * PAGES] = "This needs data to not be in .bss";
ptr[(ProcessInfo::getPageSize() * 0) + 1] = 'a';
ptr[(ProcessInfo::getPageSize() * 8) + 1] = 'a';
std::vector<char> result;
ASSERT_TRUE(ProcessInfo::pagesInMemory(const_cast<char*>(ptr), PAGES, &result));
ASSERT_TRUE(result[0]);
ASSERT_TRUE(result[8]);
}
}
}
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