diff options
Diffstat (limited to 'test/stringio')
| -rw-r--r-- | test/stringio/test_stringio.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb index 33bef0690b..8c72803b45 100644 --- a/test/stringio/test_stringio.rb +++ b/test/stringio/test_stringio.rb @@ -289,6 +289,21 @@ class TestStringIO < Test::Unit::TestCase f.close unless f.closed? end + def test_ungetbyte + s = "foo\nbar\n" + t = StringIO.new(s, "r") + t.ungetbyte(0x41) + assert_equal(0x41, t.getbyte) + t.ungetbyte("qux") + assert_equal("quxfoo\n", t.gets) + t.set_encoding("utf-8") + t.ungetbyte(0x89) + t.ungetbyte(0x8e) + t.ungetbyte("\xe7") + t.ungetbyte("\xe7\xb4\x85") + assert_equal("\u7d05\u7389bar\n", t.gets) + end + def test_ungetc s = "1234" f = StringIO.new(s, "r") |