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require 'spec_helper'
describe 'Parsing very long text' do
shared_examples 'running script successfully' do |script|
def dup_pipe(parent_half, child_half, new_io)
parent_half.close
new_io.reopen(child_half)
child_half.close
end
def capture(cmd, stdin_data)
child_in, child_out, child_err = IO::pipe, IO::pipe, IO::pipe
child_pid = fork do
dup_pipe(child_in[1], child_in[0], STDIN)
dup_pipe(child_out[0], child_out[1], STDOUT)
dup_pipe(child_err[0], child_err[1], STDERR)
exec(cmd)
end
[
child_in[0],
child_out[1],
child_err[1],
].each(&:close)
child_in[1].write(stdin_data)
child_in[1].close
_, status = Process.waitpid2(child_pid)
return child_out[0].read, child_err[0].read, status
ensure
[
child_in[1],
child_out[0],
child_err[0],
].reject(&:closed?).each(&:close)
end
it 'runs successfully' do
out, err, status = capture('ruby', script)
expect([err, status.exitstatus]).to eq(['', 0])
end
end
context 'when parseing big floats' do
include_examples('running script successfully', <<-EOS)
require "yajl"
Yajl::Parser.parse('[0.' + '1' * 2**23 + ']')
EOS
end
context 'when parseing long hash key with symbolize_keys option' do
include_examples('running script successfully', <<-EOS)
require "yajl"
Yajl::Parser.parse('{"' + 'a' * 2**23 + '": 0}', :symbolize_keys => true)
EOS
end
end
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