require_relative 'helper' module DTrace class TestStringProbes < TestCase def test_object_create_start_string_lit trap_probe(probe, '"omglolwutbbq"') { |_,rbfile,saw| saw = saw.map(&:split).find_all { |klass, file, line, len| file == rbfile && len == '12' && line == '1' } assert_equal(%w{ String }, saw.map(&:first)) assert_equal([rbfile], saw.map { |line| line[1] }) assert_equal(['1'], saw.map { |line| line[2] }) } end private def probe <<-eoprobe ruby$target:::string-create /arg1/ { printf("String %s %d %d\\n", copyinstr(arg1), arg2, arg0); } eoprobe end end end if defined?(DTrace::TestCase)