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Fix bug of Tempfile#size if nothing is written [Bug #13198]

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* lib/tempfile.rb (Tempfile#size): Fix its behavior when nothing
  is written. Tempfile#size should return 0 in this case.
  The patch is from nobu <nobu@ruby-lang.org>.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57972 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
glass 2017-03-14 12:53:32 +00:00
parent 3c96f9c76a
commit 279d31f11d
2 changed files with 8 additions and 1 deletions
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2
lib/tempfile.rb
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@ -227,7 +227,7 @@ class Tempfile < DelegateClass(File)
if !@tmpfile.closed?
@tmpfile.size # File#size calls rb_io_flush_raw()
else
File.size?(@tmpfile.path)
File.size(@tmpfile.path)
end
end
alias length size

7
test/test_tempfile.rb
View file

@ -247,6 +247,13 @@ puts Tempfile.new('foo').path
assert_equal 5, t.size
end
def test_size_on_empty_file
t = tempfile("foo")
t.write("")
t.close
assert_equal 0, t.size
end
def test_concurrency
threads = []
tempfiles = []