1 files changed, 53 insertions, 0 deletions
diff --git a/test/std/input.output/file.streams/fstreams/ifstream.cons/path.pass.cpp b/test/std/input.output/file.streams/fstreams/ifstream.cons/path.pass.cpp
new file mode 100644
index 000000000000..99eae3a28a72
--- /dev/null
+++ b/test/std/input.output/file.streams/fstreams/ifstream.cons/path.pass.cpp
@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// explicit basic_ifstream(const filesystem::path& s,
+//     ios_base::openmode mode = ios_base::in);
+
+#include <fstream>
+#include <filesystem>
+#include <cassert>
+
+namespace fs = std::filesystem;
+
+int main() {
+  {
+    fs::path p;
+    static_assert(!std::is_convertible<fs::path, std::ifstream>::value,
+                  "ctor should be explicit");
+    static_assert(std::is_constructible<std::ifstream, fs::path const&,
+                                        std::ios_base::openmode>::value,
+                  "");
+  }
+  {
+    std::ifstream fs(fs::path("test.dat"));
+    double x = 0;
+    fs >> x;
+    assert(x == 3.25);
+  }
+  // std::ifstream(const fs::path&, std::ios_base::openmode) is tested in
+  // test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
+  // which creates writable files.
+  {
+    std::wifstream fs(fs::path("test.dat"));
+    double x = 0;
+    fs >> x;
+    assert(x == 3.25);
+  }
+  // std::wifstream(const fs::path&, std::ios_base::openmode) is tested in
+  // test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
+  // which creates writable files.
+}