diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-10-17 09:49:28 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-10-17 09:49:28 +0000 |
| commit | 0d4185f30e360b078d663acd8f4dfda95fe2aae9 (patch) | |
| tree | 5df4391258496199530f6875163a3e98e2e84706 /test/ruby | |
| parent | 1efb3c31b731e99627bbc0da13dfd3463bb67c67 (diff) | |
* Avoid undefined behaviors found by gcc -fsanitize=undefined.
gcc (Debian 4.9.1-16) 4.9.1
* string.c (rb_str_sum): Avoid undefined behavior.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_string.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index d82d2bc59e..543c1389bd 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -1584,6 +1584,8 @@ class TestString < Test::Unit::TestCase assert_equal(16, n.sum(17)) n[0] = 2.chr assert_not_equal(15, n.sum) + assert_equal(17, n.sum(0)) + assert_equal(17, n.sum(-1)) end def check_sum(str, bits=16) @@ -1598,7 +1600,7 @@ class TestString < Test::Unit::TestCase assert_equal(294, "abc".sum) check_sum("abc") check_sum("\x80") - 0.upto(70) {|bits| + -3.upto(70) {|bits| check_sum("xyz", bits) } end |