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opt
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alt
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ruby27
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share
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gems
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gems
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test-unit-3.3.4
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lib
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test
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unit
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util
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//opt/alt/ruby27/share/gems/gems/test-unit-3.3.4/lib/test/unit/util/output.rb
module Test module Unit module Util module Output ## # Returns output for standard output and standard # error as string. # # Example: # # capture_output do # puts("stdout") # warn("stderr") # end # -> ["stdout\n", "stderr\n"] def capture_output require 'stringio' output = StringIO.new error = StringIO.new stdout_save, stderr_save = $stdout, $stderr $stdout, $stderr = output, error begin yield [output.string, error.string] ensure $stdout, $stderr = stdout_save, stderr_save end end end end end end