diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_exception.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb index 208c5ecfc0..3735e492d8 100644 --- a/test/ruby/test_exception.rb +++ b/test/ruby/test_exception.rb @@ -913,4 +913,31 @@ $stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status| end end end + + def test_warning_warn + verbose = $VERBOSE + warning = nil + + ::Warning.class_eval do + alias_method :warn2, :warn + remove_method :warn + + define_method(:warn) do |str| + warning = str + end + end + + $VERBOSE = true + a = @a + + assert_match(/instance variable @a not initialized/, warning) + ensure + $VERBOSE = verbose + + ::Warning.class_eval do + remove_method :warn + alias_method :warn, :warn2 + remove_method :warn2 + end + end end |