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
|
//===----------------------------------------------------------------------===//
//
// 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++98, c++03
// <filesystem>
// class filesystem_error
// filesystem_error(const string& what_arg, error_code ec);
// filesystem_error(const string& what_arg, const path& p1, error_code ec);
// filesystem_error(const string& what_arg, const path& p1, const path& p2, error_code ec);
// const std::error_code& code() const;
// const char* what() const noexcept;
// const path& path1() const noexcept;
// const path& path2() const noexcept;
#include "filesystem_include.h"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
void test_constructors() {
using namespace fs;
// The string returned by "filesystem_error::what() must contain runtime_error::what()
const std::string what_arg = "Hello World";
const std::string what_contains = std::runtime_error(what_arg).what();
assert(what_contains.find(what_arg) != std::string::npos);
auto CheckWhat = [what_contains](filesystem_error const& e) {
std::string s = e.what();
assert(s.find(what_contains) != std::string::npos);
};
std::error_code ec = std::make_error_code(std::errc::file_exists);
const path p1("foo");
const path p2("bar");
// filesystem_error(const string& what_arg, error_code ec);
{
ASSERT_NOT_NOEXCEPT(filesystem_error(what_arg, ec));
filesystem_error e(what_arg, ec);
CheckWhat(e);
assert(e.code() == ec);
assert(e.path1().empty() && e.path2().empty());
}
// filesystem_error(const string& what_arg, const path&, error_code ec);
{
ASSERT_NOT_NOEXCEPT(filesystem_error(what_arg, p1, ec));
filesystem_error e(what_arg, p1, ec);
CheckWhat(e);
assert(e.code() == ec);
assert(e.path1() == p1);
assert(e.path2().empty());
}
// filesystem_error(const string& what_arg, const path&, const path&, error_code ec);
{
ASSERT_NOT_NOEXCEPT(filesystem_error(what_arg, p1, p2, ec));
filesystem_error e(what_arg, p1, p2, ec);
CheckWhat(e);
assert(e.code() == ec);
assert(e.path1() == p1);
assert(e.path2() == p2);
}
}
void test_signatures()
{
using namespace fs;
const path p;
std::error_code ec;
const filesystem_error e("lala", ec);
// const path& path1() const noexcept;
{
ASSERT_SAME_TYPE(path const&, decltype(e.path1()));
ASSERT_NOEXCEPT(e.path1());
}
// const path& path2() const noexcept
{
ASSERT_SAME_TYPE(path const&, decltype(e.path2()));
ASSERT_NOEXCEPT(e.path2());
}
// const char* what() const noexcept
{
ASSERT_SAME_TYPE(const char*, decltype(e.what()));
ASSERT_NOEXCEPT(e.what());
}
}
int main(int, char**) {
static_assert(std::is_base_of<std::system_error, fs::filesystem_error>::value, "");
test_constructors();
test_signatures();
return 0;
}
|
