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require 'minitest/autorun'
require 'tempfile'
module DTrace
class TestCase < MiniTest::Unit::TestCase
INCLUDE = File.expand_path(File.join(File.dirname(__FILE__), '..'))
def setup
skip "must be setuid 0 to run dtrace tests" unless Process.euid == 0
end
def trap_probe d_program, ruby_program
d = Tempfile.new('probe.d')
d.write d_program
d.flush
rb = Tempfile.new('probed.rb')
rb.write ruby_program
rb.flush
d_path = d.path
rb_path = rb.path
cmd = "dtrace -q -s #{d_path} -c '#{Gem.ruby} -I#{INCLUDE} #{rb_path}'"
probes = IO.popen(cmd) do |io|
io.readlines
end
d.close(true)
rb.close(true)
yield(d_path, rb_path, probes)
end
end
end
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