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* ext/stringio/stringio.c (strio_read): adjust behavior at reading

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beyond EOF to IO.  [ruby-dev:22205]

* test/ruby/ut_eof.rb (TestEOF::Seek): test behaviors at reading
  beyond EOF.

* test/ruby/test_file.rb, * test/stringio/test_stringio.rb:
  include TestEOF::Seek test case.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5158 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2003-12-10 08:16:14 +00:00
parent d6ce2b7b2b
commit 6395c3b38d
5 changed files with 49 additions and 6 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
Wed Dec 10 17:16:06 2003 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/stringio/stringio.c (strio_read): adjust behavior at reading
beyond EOF to IO. [ruby-dev:22205]
* test/ruby/ut_eof.rb (TestEOF::Seek): test behaviors at reading
beyond EOF.
* test/ruby/test_file.rb, * test/stringio/test_stringio.rb:
include TestEOF::Seek test case.
Wed Dec 10 15:01:19 2003 Shugo Maeda <shugo@ruby-lang.org> Wed Dec 10 15:01:19 2003 Shugo Maeda <shugo@ruby-lang.org>
* test/monitor/test_monitor.rb (test_cond): use Queue#deq * test/monitor/test_monitor.rb (test_cond): use Queue#deq

1
ext/stringio/stringio.c
View File

@ -867,6 +867,7 @@ strio_read(argc, argv, self)
} }
str = rb_str_substr(ptr->string, ptr->pos, len); str = rb_str_substr(ptr->string, ptr->pos, len);
if (NIL_P(str)) { if (NIL_P(str)) {
if (!(ptr->flags & STRIO_EOF)) str = rb_str_new(0, 0);
ptr->flags |= STRIO_EOF; ptr->flags |= STRIO_EOF;
} }
else { else {

2
test/ruby/test_file.rb
View File

@ -41,4 +41,6 @@ class TestFile < Test::Unit::TestCase
yield f yield f
end end
alias open_file_rw open_file alias open_file_rw open_file
include TestEOF::Seek
end end

27
test/ruby/ut_eof.rb
View File

@ -53,4 +53,31 @@ module TestEOF
assert_equal(nil, f.read(1)) assert_equal(nil, f.read(1))
} }
end end
module Seek
def open_file_seek(content, pos)
open_file(content) do |f|
f.seek(pos)
yield f
end
end
def test_eof_0_seek
open_file_seek("", 10) {|f|
assert_equal("", f.read)
assert_equal(nil, f.read)
}
end
def test_eof_1_seek
open_file_seek("a", 10) {|f|
assert_equal("", f.read)
assert_equal(nil, f.read)
}
open_file_seek("a", 1) {|f|
assert_equal("", f.read)
assert_equal(nil, f.read)
}
end
end
end end

2
test/stringio/test_stringio.rb
View File

@ -12,4 +12,6 @@ class TestStringIO < Test::Unit::TestCase
yield f yield f
end end
alias open_file_rw open_file alias open_file_rw open_file
include TestEOF::Seek
end end