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test_io.rb: test for write

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* test/ruby/test_io.rb (TestIO#test_write_32bit_boundary): add test
  for write part.  [ruby-core:55098] [Bug #8431]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2013-05-23 02:14:07 +00:00
parent a4eaf5f37c
commit ded54cb860
1 changed files with 24 additions and 4 deletions
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28
test/ruby/test_io.rb
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@ -2674,13 +2674,33 @@ End
}, bug8080 }, bug8080
end end
def test_seek_32bit_boundary def test_read_32bit_boundary
bug8431 = '[ruby-core:55098] [Bug #8431]' bug8431 = '[ruby-core:55098] [Bug #8431]'
make_tempfile {|t| make_tempfile {|t|
assert_ruby_status(["-e", <<-"end;", t.path], "", bug8431) assert_separately(["-", bug8431, t.path], <<-"end;")
f = ARGF.to_io msg = ARGV.shift
f = open(ARGV[0], "rb")
f.seek(0xffff_ffff) f.seek(0xffff_ffff)
f.read(1) assert_nil(f.read(1), msg)
end;
}
end
def test_write_32bit_boundary
bug8431 = '[ruby-core:55098] [Bug #8431]'
make_tempfile {|t|
assert_separately(["-", bug8431, t.path], <<-"end;", timeout: 30)
msg = ARGV.shift
f = open(ARGV[0], "wb")
f.seek(0xffff_ffff)
begin
# this will consume very long time or fail by ENOSPC on a
# filesystem which sparse file is not supported
f.write('1')
rescue SystemCallError
else
assert_equal(0x1_0000_0000, f.tell, msg)
end
end; end;
} }
end end