diff options
| -rw-r--r-- | test/ruby/test_io.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index b256a2730d..2ccc0aaa8d 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -35,4 +35,22 @@ class TestIO < Test::Unit::TestCase assert_nil r.gets("") r.close end + + def test_ungetc + r, w = IO.pipe + w.close + assert_raise(IOError, "[ruby-dev:31650]") { 20000.times { r.ungetc "a" } } + ensure + r.close + end + + def test_each_byte + r, w = IO.pipe + w << "abc def" + w.close + r.each_byte {|byte| break if byte == 32 } + assert_equal("def", r.read, "[ruby-dev:31659]") + ensure + r.close + end end |