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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include "base/files/dir_reader_posix.h"
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "base/check.h"
#include "base/files/scoped_temp_dir.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/os_compat_android.h"
#endif
namespace base {
TEST(DirReaderPosixUnittest, Read) {
static const unsigned kNumFiles = 100;
if (DirReaderPosix::IsFallback()) {
return;
}
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
const char* dir = temp_dir.GetPath().value().c_str();
ASSERT_TRUE(dir);
char wdbuf[PATH_MAX];
PCHECK(getcwd(wdbuf, PATH_MAX));
PCHECK(chdir(dir) == 0);
for (unsigned i = 0; i < kNumFiles; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%d", i);
const int fd = open(buf, O_CREAT | O_RDONLY | O_EXCL, 0600);
PCHECK(fd >= 0);
PCHECK(close(fd) == 0);
}
std::set<unsigned> seen;
DirReaderPosix reader(dir);
EXPECT_TRUE(reader.IsValid());
if (!reader.IsValid()) {
return;
}
bool seen_dot = false, seen_dotdot = false;
for (; reader.Next();) {
if (strcmp(reader.name(), ".") == 0) {
seen_dot = true;
continue;
}
if (strcmp(reader.name(), "..") == 0) {
seen_dotdot = true;
continue;
}
SCOPED_TRACE(testing::Message() << "reader.name(): " << reader.name());
char* endptr;
const unsigned long value = strtoul(reader.name(), &endptr, 10);
EXPECT_FALSE(*endptr);
EXPECT_LT(value, kNumFiles);
EXPECT_EQ(0u, seen.count(value));
seen.insert(value);
}
for (unsigned i = 0; i < kNumFiles; i++) {
char buf[16];
snprintf(buf, sizeof(buf), "%d", i);
PCHECK(unlink(buf) == 0);
}
PCHECK(rmdir(dir) == 0);
PCHECK(chdir(wdbuf) == 0);
EXPECT_TRUE(seen_dot);
EXPECT_TRUE(seen_dotdot);
EXPECT_EQ(kNumFiles, seen.size());
}
} // namespace base
|
