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Diffstat (limited to 'test/ruby/test_string.rb')
| -rw-r--r-- | test/ruby/test_string.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index 5d8edc1684..64205f6082 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -875,6 +875,12 @@ class TestString < Test::Unit::TestCase s2 = ["foo"].pack("p") s.replace(s2) assert_equal(s2, s) + + fs = "".freeze + assert_raise(RuntimeError) { fs.replace("a") } + assert_raise(RuntimeError) { fs.replace(fs) } + assert_raise(ArgumentError) { fs.replace() } + assert_raise(RuntimeError) { fs.replace(42) } end def test_reverse |