diff options
| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-16 18:40:22 +0000 |
|---|---|---|
| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-01-16 18:40:22 +0000 |
| commit | 2e4b5a32f27d46494198c8e1f62da2c5abb9c883 (patch) | |
| tree | ab2d312d36e3a6ad12e2cc4512466b1600ae6f57 /test | |
| parent | f9664eb3c797e4c6ec4061f74996dfac737d407f (diff) | |
merge revision(s) 57108: [Backport #13121]
sprintf.c: fix width underflow
* sprintf.c (rb_str_format): fix memory corruption by width
underflow. https://github.com/mruby/mruby/issues/3347
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@57340 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_sprintf.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index 8aa0cbfea5..f94d38d510 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -433,4 +433,9 @@ class TestSprintf < Test::Unit::TestCase h = { key: nil, key2: "key2_val" } assert_equal("key is , key2 is key2_val", "key is %{key}, key2 is %{key2}" % h) end + + def test_width_underflow + bug = 'https://github.com/mruby/mruby/issues/3347' + assert_equal("!", sprintf("%*c", 0, ?!.ord), bug) + end end |