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* ext/stringio/stringio.c (strio_ungetbyte): encoding should not

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be effective.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-05-14 07:07:55 +00:00
parent 760f2c2917
commit af634f8455
4 changed files with 67 additions and 2 deletions
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15
test/stringio/test_stringio.rb
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@ -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")