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// class path
15
16// path& replace_extension(path const& p = path())
17
18#include <experimental/filesystem>
19#include <type_traits>
20#include <cassert>
21
22#include "test_macros.h"
23#include "test_iterators.h"
24#include "count_new.hpp"
25#include "filesystem_test_helper.hpp"
26
27namespace fs = std::experimental::filesystem;
28
29struct ReplaceExtensionTestcase {
30  const char* value;
31  const char* expect;
32  const char* extension;
33};
34
35const ReplaceExtensionTestcase TestCases[] =
36  {
37      {"", "", ""}
38    , {"foo.cpp", "foo", ""}
39    , {"foo.cpp", "foo.", "."}
40    , {"foo..cpp", "foo..txt", "txt"}
41    , {"", ".txt", "txt"}
42    , {"", ".txt", ".txt"}
43    , {"/foo", "/foo.txt", ".txt"}
44    , {"/foo", "/foo.txt", "txt"}
45    , {"/foo.cpp", "/foo.txt", ".txt"}
46    , {"/foo.cpp", "/foo.txt", "txt"}
47  };
48const ReplaceExtensionTestcase NoArgCases[] =
49  {
50      {"", "", ""}
51    , {"foo", "foo", ""}
52    , {"foo.cpp", "foo", ""}
53    , {"foo..cpp", "foo.", ""}
54};
55
56int main()
57{
58  using namespace fs;
59  for (auto const & TC : TestCases) {
60    path p(TC.value);
61    assert(p == TC.value);
62    path& Ref = (p.replace_extension(TC.extension));
63    assert(p == TC.expect);
64    assert(&Ref == &p);
65  }
66  for (auto const& TC : NoArgCases) {
67    path p(TC.value);
68    assert(p == TC.value);
69    path& Ref = (p.replace_extension());
70    assert(p == TC.expect);
71    assert(&Ref == &p);
72  }
73}
74