public void TestLongPathSupport()
{
string uncPath = "\\\\serverxx\\directory";
string uncPathLong = UtilsSystem.AddLongPathSupport(uncPath);
Assert.Equal("\\\\?\\UNC\\serverxx\\directory", uncPathLong);
Assert.Equal(uncPath, UtilsSystem.RemoveLongPathSupport(uncPathLong));
Assert.Equal(uncPath, UtilsSystem.RemoveLongPathSupport(uncPath));
string regularPath = "c:\\windows\\temp";
string regularPathLong = UtilsSystem.AddLongPathSupport(regularPath);
Assert.Equal("\\\\?\\c:\\windows\\temp", regularPathLong);
Assert.Equal(regularPath, UtilsSystem.RemoveLongPathSupport(regularPathLong));
Assert.Equal(regularPath, UtilsSystem.RemoveLongPathSupport(regularPath));
// Create a very long filename, individual segments can't be over 255 characters
string fileName = "c:\\";
for (int x = 0; x < 100; x++)
{
fileName += Guid.NewGuid() + "\\";
}
Assert.ThrowsAny <Exception>(() =>
{
Directory.CreateDirectory(fileName);
});
var fileNameWithLongPathSupport = UtilsSystem.EnsureLongPathSupportIfAvailable(fileName);
Directory.CreateDirectory(fileNameWithLongPathSupport);
fileNameWithLongPathSupport += "info.txt";
File.WriteAllText(fileNameWithLongPathSupport, "empty contents");
File.Delete(fileNameWithLongPathSupport);
}