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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-08-05 07:42:47 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-08-05 07:42:47 +0000 |
commit | 8965ed167dbca9471ccc41e9bebe7e2fb1fa9fcb (patch) | |
tree | b086b7e2c428e01fa6c9f881f876640af854cda3 /test/-ext-/string | |
parent | 5425f8fe6ead9c2b57547cc64f5b4316fc86bdf1 (diff) | |
download | ruby-8965ed167dbca9471ccc41e9bebe7e2fb1fa9fcb.tar.gz |
* string.c (rb_str_set_len): should fail to modify shared string.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28865 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/-ext-/string')
-rw-r--r-- | test/-ext-/string/test_set_len.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/-ext-/string/test_set_len.rb b/test/-ext-/string/test_set_len.rb new file mode 100644 index 0000000000..e257cacb83 --- /dev/null +++ b/test/-ext-/string/test_set_len.rb @@ -0,0 +1,25 @@ +require 'test/unit' +require "-test-/string/string" + +class Test_StrSetLen < Test::Unit::TestCase + def setup + @s0 = [*"a".."z"].join("").freeze + @s1 = Bug::String.new(@s0) + end + + def teardown + orig = [*"a".."z"].join("") + assert_equal(orig, @s0) + end + + def test_non_shared + @s1.modify! + assert_equal("abc", @s1.set_len(3)) + end + + def test_shared + assert_raise(RuntimeError) { + assert_equal("abc", @s1.set_len(3)) + } + end +end |