1 files changed, 79 insertions, 0 deletions
diff --git a/Source/kwsys/testDirectory.cxx b/Source/kwsys/testDirectory.cxx
new file mode 100644
index 0000000..983f2c6
--- /dev/null
+++ b/Source/kwsys/testDirectory.cxx
@@ -0,0 +1,79 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+file Copyright.txt or https://cmake.org/licensing#kwsys for details.  */
+#include "kwsysPrivate.h"
+#include KWSYS_HEADER(Directory.hxx)
+#include KWSYS_HEADER(Encoding.hxx)
+#include KWSYS_HEADER(SystemTools.hxx)
+
+// Work-around CMake dependency scanning limitation.  This must
+// duplicate the above list of headers.
+#if 0
+#include "Directory.hxx.in"
+#include "Encoding.hxx.in"
+#include "SystemTools.hxx.in"
+#endif
+
+#include <fstream>
+#include <iostream>
+#include <sstream>
+
+#include <testSystemTools.h>
+
+int _doLongPathTest()
+{
+  using namespace kwsys;
+  static const int LONG_PATH_THRESHOLD = 512;
+  int res = 0;
+  std::string topdir(TEST_SYSTEMTOOLS_BINARY_DIR "/directory_testing/");
+  std::stringstream testpathstrm;
+  std::string testdirpath;
+  std::string extendedtestdirpath;
+
+  testpathstrm << topdir;
+  size_t pathlen = testpathstrm.str().length();
+  testpathstrm.seekp(0, std::ios_base::end);
+  while (pathlen < LONG_PATH_THRESHOLD) {
+    testpathstrm << "0123456789/";
+    pathlen = testpathstrm.str().length();
+  }
+
+  testdirpath = testpathstrm.str();
+#ifdef _WIN32
+  extendedtestdirpath =
+    Encoding::ToNarrow(SystemTools::ConvertToWindowsExtendedPath(testdirpath));
+#else
+  extendedtestdirpath = testdirpath;
+#endif
+
+  if (SystemTools::MakeDirectory(extendedtestdirpath)) {
+    std::ofstream testfile1(
+      (extendedtestdirpath + "longfilepathtest1.txt").c_str());
+    std::ofstream testfile2(
+      (extendedtestdirpath + "longfilepathtest2.txt").c_str());
+    testfile1 << "foo";
+    testfile2 << "bar";
+    testfile1.close();
+    testfile2.close();
+
+    Directory testdir;
+    // Set res to failure if the directory doesn't load
+    res += !testdir.Load(testdirpath);
+    // Increment res failure if the directory appears empty
+    res += testdir.GetNumberOfFiles() == 0;
+    // Increment res failures if the path has changed from
+    // what was provided.
+    res += testdirpath != testdir.GetPath();
+
+    SystemTools::RemoveADirectory(topdir);
+  } else {
+    std::cerr << "Failed to create directory with long path: "
+              << extendedtestdirpath << std::endl;
+    res += 1;
+  }
+  return res;
+}
+
+int testDirectory(int, char* [])
+{
+  return _doLongPathTest();
+}