1 files changed, 24 insertions, 0 deletions
diff --git a/test/ruby/test_argf.rb b/test/ruby/test_argf.rb
index 3c78ef4a1f..a58b70db52 100644
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@@ -770,4 +770,28 @@ class TestArgf < Test::Unit::TestCase
     bug5952 = '[ruby-dev:45160]'
     assert_ruby_status(["-e", "2.times {STDIN.tty?; readlines}"], "", bug5952)
   end
+
+  def test_bytes
+    ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
+      print Marshal.dump(ARGF.bytes.to_a)
+    SRC
+      assert_equal([49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10], Marshal.load(f.read))
+    end
+  end
+
+  def test_chars
+    ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
+      print Marshal.dump(ARGF.chars.to_a)
+    SRC
+      assert_equal(["1", "\n", "2", "\n", "3", "\n", "4", "\n", "5", "\n", "6", "\n"], Marshal.load(f.read))
+    end
+  end
+
+  def test_codepoints
+    ruby('-e', <<-SRC, @t1.path, @t2.path, @t3.path) do |f|
+      print Marshal.dump(ARGF.codepoints.to_a)
+    SRC
+      assert_equal([49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10], Marshal.load(f.read))
+    end
+  end
 end