* test/ruby/test_io.rb (TestIO#test_pos_with_getc): updated.

  see [ruby-core:43550]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 15 deletions

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index a3ac12765c..6990de1862 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1360,21 +1360,23 @@ class TestIO < Test::Unit::TestCase
   def test_pos_with_getc
     bug6179 = '[ruby-core:43497]'
     t = make_tempfile
-    open(t.path, "w") do |f|
-      f.write "0123456789"
-    end
-
-    open(t.path, "r") do |f|
-      assert_equal 0, f.pos
-      assert_equal '0', f.getc
-      assert_equal 1, f.pos
-      assert_equal '1', f.getc
-      assert_equal 2, f.pos
-      assert_equal '2', f.getc
-      assert_equal 3, f.pos
-      assert_equal '3', f.getc
-      assert_equal 4, f.pos
-      assert_equal '4', f.getc
+    ["", "t", "b"].each do |mode|
+      open(t.path, "w#{mode}") do |f|
+        f.write "0123456789\n"
+      end
+
+      open(t.path, "r#{mode}") do |f|
+        assert_equal 0, f.pos, "mode=r#{mode}"
+        assert_equal '0', f.getc, "mode=r#{mode}"
+        assert_equal 1, f.pos, "mode=r#{mode}"
+        assert_equal '1', f.getc, "mode=r#{mode}"
+        assert_equal 2, f.pos, "mode=r#{mode}"
+        assert_equal '2', f.getc, "mode=r#{mode}"
+        assert_equal 3, f.pos, "mode=r#{mode}"
+        assert_equal '3', f.getc, "mode=r#{mode}"
+        assert_equal 4, f.pos, "mode=r#{mode}"
+        assert_equal '4', f.getc, "mode=r#{mode}"
+      end
     end
   end