diff options
Diffstat (limited to 'test/ruby/test_io.rb')
| -rw-r--r-- | test/ruby/test_io.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index 7a0ecc0cf1..8b1714b01e 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -121,16 +121,22 @@ class TestIO < Test::Unit::TestCase def test_ungetbyte t = make_tempfile t.open + t.binmode t.ungetbyte(0x41) + assert_equal(-1, t.pos) assert_equal(0x41, t.getbyte) t.rewind + assert_equal(0, t.pos) t.ungetbyte("qux") + assert_equal(-3, t.pos) assert_equal("quxfoo\n", t.gets) + assert_equal(4, t.pos) t.set_encoding("utf-8") t.ungetbyte(0x89) t.ungetbyte(0x8e) t.ungetbyte("\xe7") t.ungetbyte("\xe7\xb4\x85") + assert_equal(-2, t.pos) assert_equal("\u7d05\u7389bar\n", t.gets) end |