Support File#birthtime on Linux

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ruby/test_file_exhaustive.rb b/test/ruby/test_file_exhaustive.rb
index 7d4eeb6d59..57eb01b4ec 100644
--- a/test/ruby/test_file_exhaustive.rb
+++ b/test/ruby/test_file_exhaustive.rb
@@ -623,6 +623,17 @@ class TestFileExhaustive < Test::Unit::TestCase
     assert_raise(Errno::ENOENT) { File.ctime(nofile) }
   end
 
+  def test_birthtime
+    [regular_file, utf8_file].each do |file|
+      t1 = File.birthtime(file)
+      t2 = File.open(file) {|f| f.birthtime}
+      assert_kind_of(Time, t1)
+      assert_kind_of(Time, t2)
+      assert_equal(t1, t2)
+    end
+    assert_raise(Errno::ENOENT) { File.birthtime(nofile) }
+  end if File.respond_to?(:birthtime)
+
   def test_chmod
     [regular_file, utf8_file].each do |file|
       assert_equal(1, File.chmod(0444, file))