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 // <experimental/filesystem>
13
14 // bool equivalent(path const& lhs, path const& rhs);
15 // bool equivalent(path const& lhs, path const& rhs, std::error_code& ec) noexcept;
16
17 #include <experimental/filesystem>
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 std::experimental::filesystem;
26
27 TEST_SUITE(equivalent_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_NOEXCEPT(equivalent(p, p, ec));
34 ASSERT_NOT_NOEXCEPT(equivalent(p, p));
35 }
36
TEST_CASE(equivalent_test)37 TEST_CASE(equivalent_test)
38 {
39 struct TestCase {
40 path lhs;
41 path rhs;
42 bool expect;
43 };
44 const TestCase testCases[] = {
45 {StaticEnv::Dir, StaticEnv::Dir, true},
46 {StaticEnv::File, StaticEnv::Dir, false},
47 {StaticEnv::Dir, StaticEnv::SymlinkToDir, true},
48 {StaticEnv::Dir, StaticEnv::SymlinkToFile, false},
49 {StaticEnv::File, StaticEnv::File, true},
50 {StaticEnv::File, StaticEnv::SymlinkToFile, true},
51 };
52 for (auto& TC : testCases) {
53 std::error_code ec;
54 TEST_CHECK(equivalent(TC.lhs, TC.rhs, ec) == TC.expect);
55 TEST_CHECK(!ec);
56 }
57 }
58
TEST_CASE(equivalent_reports_double_dne)59 TEST_CASE(equivalent_reports_double_dne)
60 {
61 const path E = StaticEnv::File;
62 const path DNE = StaticEnv::DNE;
63 { // Test that no exception is thrown if one of the paths exists
64 TEST_CHECK(equivalent(E, DNE) == false);
65 TEST_CHECK(equivalent(DNE, E) == false);
66 }
67 { // Test that an exception is thrown if both paths do not exist.
68 TEST_CHECK_THROW(filesystem_error, equivalent(DNE, DNE));
69 }
70 {
71 std::error_code ec;
72 TEST_CHECK(equivalent(DNE, DNE, ec) == false);
73 TEST_CHECK(ec);
74 }
75 }
76
TEST_CASE(equivalent_is_other_succeeds)77 TEST_CASE(equivalent_is_other_succeeds)
78 {
79 scoped_test_env env;
80 path const file = env.create_file("file", 42);
81 const path hl1 = env.create_hardlink(file, "hl1");
82 const path hl2 = env.create_hardlink(file, "hl2");
83 TEST_CHECK(equivalent(file, hl1));
84 TEST_CHECK(equivalent(file, hl2));
85 TEST_CHECK(equivalent(hl1, hl2));
86 }
87
88 TEST_SUITE_END()
89