IO.popen does not support "-"
-----------------------------
Key: JRUBY-1895
URL: http://jira.codehaus.org/browse/JRUBY-1895
Project: JRuby
Issue Type: Sub-task
Components: Core Classes/Modules
Reporter: Charles Oliver Nutter
Fix For: JRuby 1.1
popen("-") is not supported in JRuby yet
Error:
{noformat}
5) Error:
test_s_popen_spawn(TestIO):
IOError: Cannot run program "-" (in directory
"/Users/headius/NetBeansProjects/jruby"): -: not found
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testcase.rb:78:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:34:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in
`each'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in
`each'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/testsuite.rb:33:in
`run_suite'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnermediator.rb:46:in
`start_mediator'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:41:in
`start'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/ui/testrunnerutilities.rb:29:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:216:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit/autorunner.rb:12:in
`run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:278:in `run'
/Users/headius/NetBeansProjects/jruby/lib/ruby/1.8/test/unit.rb:276
{noformat}
Test:
{code}
def test_s_popen_spawn
unless WIN32
# Spawn an interpreter - WRITE
parent = $$
pipe = IO.popen("-", "w")
if pipe
begin
assert_equal(parent, $$)
pipe.puts "12"
Process.wait pipe.pid
assert_equal(12, $?>>8)
ensure
pipe.close
end
else
buff = $stdin.gets
exit buff.to_i
end
# Spawn an interpreter - READWRITE
parent = $$
p = IO.popen("-", "w+")
if p
begin
assert_equal(parent, $$)
p.puts "Hello\n"
assert_equal("Goodbye\n", p.gets)
Process.wait
ensure
p.close
end
else
puts "Goodbye" if $stdin.gets == "Hello\n"
exit
end
end
end
{code}
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