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require 'test/unit'
require_relative 'ruby/envutil'
class TestTracer < Test::Unit::TestCase
include EnvUtil
def test_work_with_e
assert_in_out_err(%w[-rtracer -e 1]) do |(*lines),|
case lines.size
when 2
assert_match %r[#0:<internal:lib/rubygems/custom_require>:\d+:Kernel:<: -], lines[0]
when 1
# do nothing
else
flunk 'unexpected output from `ruby -rtracer -e 1`'
end
assert_equal "#0:-e:1::-: 1", lines[1]
end
end
end
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