import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / libs / filesystem / test / issues / 99_canonical_with_junction_point.cpp

diff --git a/ceph/src/boost/libs/filesystem/test/issues/99_canonical_with_junction_point.cpp b/ceph/src/boost/libs/filesystem/test/issues/99_canonical_with_junction_point.cpp
new file mode 100644 (file)
index 0000000..d622157
--- /dev/null
+++ b/ceph/src/boost/libs/filesystem/test/issues/99_canonical_with_junction_point.cpp
@@ -0,0 +1,85 @@
+//  Boost operations_test.cpp  ---------------------------------------------------------//
+
+//  Copyright Alexander Grund 2020
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  Library home page: http://www.boost.org/libs/filesystem
+
+#include <iostream>
+
+#if defined(BOOST_FILESYSTEM_HAS_MKLINK)
+
+#include <boost/filesystem.hpp>
+#include <boost/system/error_code.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <cstdlib>
+#include <vector>
+
+namespace fs = boost::filesystem;
+
+struct TmpDir
+{
+  fs::path path;
+  TmpDir(const fs::path& base): path(fs::absolute(base) / fs::unique_path())
+  {
+    fs::create_directories(path);
+  }
+  ~TmpDir()
+  {
+    boost::system::error_code ec;
+    fs::remove_all(path, ec);
+  }
+};
+
+// Test fs::canonical for various path in a Windows directory junction point
+// This failed before due to broken handling of absolute paths and ignored ReparseTag
+int main()
+{
+
+  const fs::path cwd = fs::current_path();
+  const TmpDir tmp(cwd);
+  const fs::path junction = tmp.path / "junction";
+  const fs::path real = tmp.path / "real";
+  const fs::path subDir = "sub";
+  fs::create_directories(real / subDir);
+  fs::current_path(tmp.path);
+  BOOST_TEST(std::system("mklink /j junction real") == 0);
+  BOOST_TEST(fs::exists(junction));
+
+  // Due to a bug there was a dependency on the current path so try the below for all:
+  std::vector<fs::path> paths;
+  paths.push_back(cwd);
+  paths.push_back(junction);
+  paths.push_back(real);
+  paths.push_back(junction / subDir);
+  paths.push_back(real / subDir);
+  for (std::vector<fs::path>::iterator it = paths.begin(); it != paths.end(); ++it)
+  {
+    std::cout << "Testing in " << *it << std::endl;
+    fs::current_path(*it);
+
+    // Used by canonical, must work too
+    BOOST_TEST(fs::read_symlink(junction) == real);
+
+    BOOST_TEST(fs::canonical(junction) == real);
+    BOOST_TEST(fs::canonical(junction / subDir) == real / subDir);
+  }
+
+  // Restore the original current directory so that temp directory can be removed
+  fs::current_path(cwd);
+
+  return boost::report_errors();
+}
+
+#else // defined(BOOST_FILESYSTEM_HAS_MKLINK)
+
+int main()
+{
+  std::cout << "Skipping test as the target system does not support mklink." << std::endl;
+  return 0;
+}
+
+#endif // defined(BOOST_FILESYSTEM_HAS_MKLINK)
+