# \[Bug: 1.9\] undefined method \`readpartial' for TestFileUtils::Stream

**URL:** <https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582>\
**Category:** Development\
**Created:** [September 3, 2008, 11:47am UTC](https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582 "2008-09-03T11:47:26Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [September 3, 2008, 11:47am UTC](https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582/1 "2008-09-03T11:47:26Z")

</div>

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e$B!!e(Btest-all e$B$G0J2\<$N$h$&$J\<:GT$K$J$j$^$9!%e(B

1. Error:  
test\_copy\_stream(TestFileUtils):  
NoMethodError: undefined method `readpartial' for #<TestFileUtils::Stream:0x0000000503ccf8> /home/ko1/ruby/trunk/lib/fileutils.rb:473:in`copy\_stream’  
/home/ko1/ruby/trunk/lib/fileutils.rb:473:in `copy_stream' /home/ko1/ruby/trunk/test/fileutils/test_fileutils.rb:931:in`block (3 levels) in test\_copy\_stream’  
/home/ko1/ruby/trunk/test/fileutils/test\_fileutils.rb:930:in `open' /home/ko1/ruby/trunk/test/fileutils/test_fileutils.rb:930:in`block (2 levels) in test\_copy\_stream’  
/home/ko1/ruby/trunk/test/fileutils/test\_fileutils.rb:929:in `open' /home/ko1/ruby/trunk/test/fileutils/test_fileutils.rb:929:in`block in test\_copy\_stream’  
/home/ko1/ruby/trunk/test/fileutils/test\_fileutils.rb:162:in  
`block in each_srcdest' /home/ko1/ruby/trunk/test/fileutils/test_fileutils.rb:161:in`each’  
/home/ko1/ruby/trunk/test/fileutils/test\_fileutils.rb:161:in  
`each_srcdest' /home/ko1/ruby/trunk/test/fileutils/test_fileutils.rb:928:in`test\_copy\_stream’

5080 tests, 1988879 assertions, 0 failures, 1 errors

# ruby 1.9.0 (2008-09-03 revision 19081) [x86\_64-linux]

# e$B$G$Ne(B test-all e$B7k2L!%e(B

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [September 5, 2008, 10:55am UTC](https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582/2 "2008-09-05T10:55:39Z")

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e$B$J$+$@$G$9!#e(B

At Wed, 3 Sep 2008 18:41:17 +0900,  
SASADA Koichi wrote in [ruby-dev:36124]:

> 1. Error:  
> test\_copy\_stream(TestFileUtils):  
> NoMethodError: undefined method `readpartial' for #<TestFileUtils::Stream:0x0000000503ccf8> /home/ko1/ruby/trunk/lib/fileutils.rb:473:in`copy\_stream’

FileUtilse$B$G$Oe(Breadpartiale$B$O;H$C$F$J$$$H;W$&$s$G$9$,!#$=$l$K!"%F%-e(B  
e$B%9%H%b!\<%I$N07$$$KLdBj$,$"$C$?$N$G!"@hF|e(BIO.copy\_streame$B$r;H$&$h$&e(B  
e$B$K$7$?$O$:$G$9!#e(B

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [September 5, 2008, 11:27am UTC](https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582/3 "2008-09-05T11:27:36Z")

</div>

e$B!!$5$5$@$G$9!%e(B

Nobuyoshi N. wrote:

> FileUtilse$B$G$Oe(Breadpartiale$B$O;H$C$F$J$$$H;W$&$s$G$9$,!#$=$l$K!"%F%-e(B  
> e$B%9%H%b!\<%I$N07$$$KLdBj$,$"$C$?$N$G!"@hF|e(BIO.copy\_streame$B$r;H$&$h$&e(B  
> e$B$K$7$?$O$:$G$9!#e(B

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# Index: test/fileutils/test\_fileutils.rb

— test/fileutils/test\_fileutils.rb (e$B%j%S%8%g%se(B 19146)  
+++ test/fileutils/test\_fileutils.rb (e$B:n6H%3%T!\<e(B)  
@@ -984,6 +984,10 @@ end  
def write(str)  
@f.write str  
end  
+

- def readpartial(\*args)
- 

```
 @f.readpartial(*args)

```

- end  
end

def test\_uptodate?

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---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [September 5, 2008, 11:47am UTC](https://www.ruby-forum.com/t/bug-1-9-undefined-method-readpartial-for-testfileutils-stream/147582/4 "2008-09-05T11:47:32Z")

</div>

e$B%A%1%C%He(B #538 e$B$,99?7$5$l$^$7$?!#e(B (by Nobuyoshi N.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B  
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B

## Applied in changeset r19148.

[http://redmine.ruby-lang.org/issues/show/538](http://redmine.ruby-lang.org/issues/show/538)