ruby/test/dtrace/test_string.rb

29 строки
749 B
Ruby

# frozen_string_literal: false
require_relative 'helper'
module DTrace
class TestStringProbes < TestCase
def test_object_create_start_string_lit
trap_probe(probe, '"omglolwutbbq"') { |_,rbfile,orig|
saw = orig.map(&:split).find_all { |klass, file, line, len|
file == rbfile && len == '12' && line == '1'
}
assert_equal(%w{ String }, saw.map(&:first), orig.inspect)
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)