diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_io.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index a32369eca5..f16573682b 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -2458,6 +2458,22 @@ End end) end + def test_puts_old_write + capture = String.new + def capture.write(str) + self << str + end + + capture.clear + assert_warning(/[.#]write is outdated/) do + stdout, $stdout = $stdout, capture + puts "hey" + ensure + $stdout = stdout + end + assert_equal("hey\n", capture) + end + def test_display pipe(proc do |w| "foo".display(w) |