1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++98, c++03
11
12 // <filesystem>
13
14 // bool is_empty(path const& p);
15 // bool is_empty(path const& p, std::error_code& ec);
16
17 #include "filesystem_include.hpp"
18 #include <type_traits>
19 #include <cassert>
20
21 #include "test_macros.h"
22 #include "rapid-cxx-test.hpp"
23 #include "filesystem_test_helper.hpp"
24
25 using namespace fs;
26
27 TEST_SUITE(is_empty_test_suite)
28
TEST_CASE(signature_test)29 TEST_CASE(signature_test)
30 {
31 const path p; ((void)p);
32 std::error_code ec; ((void)ec);
33 ASSERT_NOT_NOEXCEPT(is_empty(p, ec));
34 ASSERT_NOT_NOEXCEPT(is_empty(p));
35 }
36
TEST_CASE(test_exist_not_found)37 TEST_CASE(test_exist_not_found)
38 {
39 const path p = StaticEnv::DNE;
40 std::error_code ec;
41 TEST_CHECK(is_empty(p, ec) == false);
42 TEST_CHECK(ec);
43 TEST_CHECK_THROW(filesystem_error, is_empty(p));
44 }
45
TEST_CASE(test_is_empty_directory)46 TEST_CASE(test_is_empty_directory)
47 {
48 TEST_CHECK(!is_empty(StaticEnv::Dir));
49 TEST_CHECK(!is_empty(StaticEnv::SymlinkToDir));
50 }
51
TEST_CASE(test_is_empty_directory_dynamic)52 TEST_CASE(test_is_empty_directory_dynamic)
53 {
54 scoped_test_env env;
55 TEST_CHECK(is_empty(env.test_root));
56 env.create_file("foo", 42);
57 TEST_CHECK(!is_empty(env.test_root));
58 }
59
TEST_CASE(test_is_empty_file)60 TEST_CASE(test_is_empty_file)
61 {
62 TEST_CHECK(is_empty(StaticEnv::EmptyFile));
63 TEST_CHECK(!is_empty(StaticEnv::NonEmptyFile));
64 }
65
TEST_CASE(test_is_empty_fails)66 TEST_CASE(test_is_empty_fails)
67 {
68 scoped_test_env env;
69 const path dir = env.create_dir("dir");
70 const path dir2 = env.create_dir("dir/dir2");
71 permissions(dir, perms::none);
72
73 std::error_code ec;
74 TEST_CHECK(is_empty(dir2, ec) == false);
75 TEST_CHECK(ec);
76
77 TEST_CHECK_THROW(filesystem_error, is_empty(dir2));
78 }
79
TEST_CASE(test_directory_access_denied)80 TEST_CASE(test_directory_access_denied)
81 {
82 scoped_test_env env;
83 const path dir = env.create_dir("dir");
84 const path file1 = env.create_file("dir/file", 42);
85 permissions(dir, perms::none);
86
87 std::error_code ec = GetTestEC();
88 TEST_CHECK(is_empty(dir, ec) == false);
89 TEST_CHECK(ec);
90 TEST_CHECK(ec != GetTestEC());
91
92 TEST_CHECK_THROW(filesystem_error, is_empty(dir));
93 }
94
95
TEST_CASE(test_fifo_fails)96 TEST_CASE(test_fifo_fails)
97 {
98 scoped_test_env env;
99 const path fifo = env.create_fifo("fifo");
100
101 std::error_code ec = GetTestEC();
102 TEST_CHECK(is_empty(fifo, ec) == false);
103 TEST_CHECK(ec);
104 TEST_CHECK(ec != GetTestEC());
105
106 TEST_CHECK_THROW(filesystem_error, is_empty(fifo));
107 }
108
109 TEST_SUITE_END()
110