blob: 8adc9f10924836ae7befd03f4d5b9ce0fc0452b4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/AvailableMemoryWatcherUtils.h"
#include <fstream>
using namespace mozilla;
const char* kMemInfoPath = "/proc/meminfo";
const char* kTestfilePath = "testdata";
// Test that we are reading some value from /proc/meminfo.
// If the values are nonzero, the test is a success.
void TestFromProc() {
MemoryInfo memInfo{0, 0};
ReadMemoryFile(kMemInfoPath, memInfo);
MOZ_RELEASE_ASSERT(memInfo.memTotal != 0);
MOZ_RELEASE_ASSERT(memInfo.memAvailable != 0);
}
// Test a file using expected syntax.
void TestFromFile() {
MemoryInfo memInfo{0, 0};
std::ofstream aFile(kTestfilePath);
aFile << "MemTotal: 12345 kB\n";
aFile << "MemFree: 99999 kB\n";
aFile << "MemAvailable: 54321 kB\n";
aFile.close();
ReadMemoryFile(kTestfilePath, memInfo);
MOZ_RELEASE_ASSERT(memInfo.memTotal == 12345);
MOZ_RELEASE_ASSERT(memInfo.memAvailable == 54321);
// remove our dummy file
remove(kTestfilePath);
}
// Test a file with useless data. Results should be
// the starting struct with {0,0}.
void TestInvalidFile() {
MemoryInfo memInfo{0, 0};
std::ofstream aFile(kTestfilePath);
aFile << "foo: 12345 kB\n";
aFile << "bar";
aFile.close();
ReadMemoryFile(kTestfilePath, memInfo);
MOZ_RELEASE_ASSERT(memInfo.memTotal == 0);
MOZ_RELEASE_ASSERT(memInfo.memAvailable == 0);
// remove our dummy file
remove(kTestfilePath);
}
int main() {
TestFromProc();
TestFromFile();
TestInvalidFile();
return 0;
}
|
