require 'test/unit/testsuite' require 'test/unit/testcase' require 'zlib' class TestZlibGzipWriter < Test::Unit::TestCase def test_new_nil # [ruby-dev:23228] old = $VERBOSE $VERBOSE = nil begin assert_raises(NoMethodError) { Zlib::GzipWriter.new(nil).close } ensure $VERBOSE = old end end end