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disable GC.

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* test/ruby/test_io.rb (test_write_no_garbage): malloc can cause GC
  and it will reduce string object counts. So disable GC during this test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60699 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2017-11-07 14:23:58 +00:00
parent c2a08ef876
commit 17f9ad40f6
1 changed files with 9 additions and 4 deletions
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13
test/ruby/test_io.rb
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@ -3651,10 +3651,15 @@ __END__
ObjectSpace.count_objects(res) # creates strings on first call
[ 'foo'.b, '*' * 24 ].each do |buf|
with_pipe do |r, w|
before = ObjectSpace.count_objects(res)[:T_STRING]
n = w.write(buf)
s = w.syswrite(buf)
after = ObjectSpace.count_objects(res)[:T_STRING]
GC.disable
begin
before = ObjectSpace.count_objects(res)[:T_STRING]
n = w.write(buf)
s = w.syswrite(buf)
after = ObjectSpace.count_objects(res)[:T_STRING]
ensure
GC.enable
end
assert_equal before, after,
"no strings left over after write [ruby-core:78898] [Bug #13085]: #{ before } strings before write -> #{ after } strings after write"
assert_not_predicate buf, :frozen?, 'no inadvertent freeze'