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author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-30 21:54:32 +0000 |
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committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-30 21:54:32 +0000 |
commit | 88bd76c7990e14f8ca6dc1055e1d17258620ba6b (patch) | |
tree | 666a866e8cd0ca85162dcbcc841b5998ce91ada4 /test | |
parent | 4dde6e9690b47513f5ab6b993ee62ea136b24083 (diff) | |
download | ruby-88bd76c7990e14f8ca6dc1055e1d17258620ba6b.tar.gz |
string.c (rb_str_tmp_frozen_release): release embedded strings
Handle the embedded case first, since we may have an embedded
duplicate and non-embedded original string.
* string.c (rb_str_tmp_frozen_release): handled embedded strings
* test/ruby/test_io.rb (test_write_no_garbage): new test
[ruby-core:78898] [Bug #13085]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_io.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index b146e8e321..c501edd0ab 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -3504,5 +3504,21 @@ __END__ end end end + + def test_write_no_garbage + res = {} + 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) + after = ObjectSpace.count_objects(res)[:T_STRING] + assert_equal before, after, + 'no strings left over after write [ruby-core:78898] [Bug #13085]' + assert_not_predicate buf, :frozen?, 'no inadvertant freeze' + assert_equal buf.bytesize, n, 'wrote expected size' + end + end + end end end |