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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <filesystem>
// bool is_empty(path const& p);
// bool is_empty(path const& p, std::error_code& ec);
#include "filesystem_include.h"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.h"
#include "filesystem_test_helper.h"
using namespace fs;
TEST_SUITE(is_empty_test_suite)
TEST_CASE(signature_test)
{
const path p; ((void)p);
std::error_code ec; ((void)ec);
ASSERT_NOT_NOEXCEPT(is_empty(p, ec));
ASSERT_NOT_NOEXCEPT(is_empty(p));
}
TEST_CASE(test_exist_not_found)
{
static_test_env static_env;
const path p = static_env.DNE;
std::error_code ec;
TEST_CHECK(is_empty(p, ec) == false);
TEST_CHECK(ec);
TEST_CHECK_THROW(filesystem_error, is_empty(p));
}
TEST_CASE(test_is_empty_directory)
{
static_test_env static_env;
TEST_CHECK(!is_empty(static_env.Dir));
TEST_CHECK(!is_empty(static_env.SymlinkToDir));
}
TEST_CASE(test_is_empty_directory_dynamic)
{
scoped_test_env env;
TEST_CHECK(is_empty(env.test_root));
env.create_file("foo", 42);
TEST_CHECK(!is_empty(env.test_root));
}
TEST_CASE(test_is_empty_file)
{
static_test_env static_env;
TEST_CHECK(is_empty(static_env.EmptyFile));
TEST_CHECK(!is_empty(static_env.NonEmptyFile));
}
TEST_CASE(test_is_empty_fails)
{
scoped_test_env env;
#ifdef _WIN32
// Windows doesn't support setting perms::none to trigger failures
// reading directories; test using a special inaccessible directory
// instead.
const path p = GetWindowsInaccessibleDir();
if (p.empty())
TEST_UNSUPPORTED();
#else
const path dir = env.create_dir("dir");
const path p = env.create_dir("dir/dir2");
permissions(dir, perms::none);
#endif
std::error_code ec;
TEST_CHECK(is_empty(p, ec) == false);
TEST_CHECK(ec);
TEST_CHECK_THROW(filesystem_error, is_empty(p));
}
TEST_CASE(test_directory_access_denied)
{
scoped_test_env env;
#ifdef _WIN32
// Windows doesn't support setting perms::none to trigger failures
// reading directories; test using a special inaccessible directory
// instead.
const path dir = GetWindowsInaccessibleDir();
if (dir.empty())
TEST_UNSUPPORTED();
#else
const path dir = env.create_dir("dir");
const path file1 = env.create_file("dir/file", 42);
permissions(dir, perms::none);
#endif
std::error_code ec = GetTestEC();
TEST_CHECK(is_empty(dir, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
TEST_CHECK_THROW(filesystem_error, is_empty(dir));
}
#ifndef _WIN32
TEST_CASE(test_fifo_fails)
{
scoped_test_env env;
const path fifo = env.create_fifo("fifo");
std::error_code ec = GetTestEC();
TEST_CHECK(is_empty(fifo, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
TEST_CHECK_THROW(filesystem_error, is_empty(fifo));
}
#endif
TEST_SUITE_END()
|
