Try statx syscall

* file.c (rb_file_s_birthtime): export for pathname to check if
  birthtime is supported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 4 deletions

diff --git a/test/pathname/test_pathname.rb b/test/pathname/test_pathname.rb
index f8e4937802..78f0af71df 100644
--- a/test/pathname/test_pathname.rb
+++ b/test/pathname/test_pathname.rb
@@ -789,10 +789,15 @@ class TestPathname < Test::Unit::TestCase
   end
 
   def test_birthtime
-    assert_kind_of(Time, Pathname(__FILE__).birthtime)
-  rescue NotImplementedError
-    assert_raise(NotImplementedError) do
-      File.birthtime(__FILE__)
+    # Check under a (probably) local filesystem.
+    # Remote filesystems often may not support birthtime.
+    with_tmpchdir('rubytest-pathname') do |dir|
+      open("a", "w") {}
+      assert_kind_of(Time, Pathname("a").birthtime)
+    rescue NotImplementedError
+      assert_raise(NotImplementedError) do
+        File.birthtime("a")
+      end
     end
   end