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* test/stringio/test_stringio.rb: imported from [ruby-dev:21941].

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2003-11-18 09:23:07 +00:00
parent 12eee69294
commit 0c15b3a222
3 changed files with 23 additions and 2 deletions
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6
ChangeLog
View file

@ -1,13 +1,15 @@
Tue Nov 18 18:09:37 2003 Nobuyoshi Nakada <nobu@ruby-lang.org>
Tue Nov 18 18:23:05 2003 Nobuyoshi Nakada <nobu.nakada@nifty.ne.jp>
* ext/stringio/stringio.c (strio_read): behave as IO at empty string.
[ruby-dev:21939]
[ruby-dev:21939], [ruby-dev:21941]
* ext/stringio/stringio.c (strio_getc, strio_getline): set EOF flag.
* ext/stringio/stringio.c (strio_rewind, strio_seek, strio_ungetc):
clear EOF flag.
* test/stringio/test_stringio.rb: imported from [ruby-dev:21941].
Tue Nov 18 14:06:35 2003 Minero Aoki <aamine@loveruby.net>
* lib/fileutils.rb (fu_each_src_dest): raise if src==dest.

4
ext/stringio/stringio.c
View file

@ -849,6 +849,9 @@ strio_read(argc, argv, self)
ptr->flags |= STRIO_EOF;
return Qnil;
}
else if (ptr->flags & STRIO_EOF) {
return Qnil;
}
break;
}
/* fall through */
@ -856,6 +859,7 @@ strio_read(argc, argv, self)
len = RSTRING(ptr->string)->len - ptr->pos;
if (len == 0 && ptr->pos == RSTRING(ptr->string)->len) {
if (ptr->flags & STRIO_EOF) return Qnil;
ptr->flags |= STRIO_EOF;
}
break;
default:

15
test/stringio/test_stringio.rb Normal file
View file

@ -0,0 +1,15 @@
require 'test/unit'
require 'stringio'
class TestStringIO < Test::Unit::TestCase
def test_empty_file
f = StringIO.new("")
assert_equal("", f.read(0))
assert_equal("", f.read)
assert_equal(nil, f.read(0))
f = StringIO.new("")
assert_equal(nil, f.read(1))
assert_equal(nil, f.read)
assert_equal(nil, f.read(1))
end
end