import os import time fn test_getpid() { pid := os.getpid() eprintln('current pid: $pid') assert pid != 0 } fn test_run() { if os.user_os() == 'windows' { return } // mut p := os.new_process('/bin/sleep') p.set_args(['0.2']) p.run() assert p.status == .running assert p.pid > 0 assert p.pid != os.getpid() mut i := 0 for { if !p.is_alive() { break } os.system('ps -opid= -oppid= -ouser= -onice= -of= -ovsz= -orss= -otime= -oargs= -p $p.pid') time.sleep_ms(50) i++ } p.wait() assert p.code == 0 assert p.status == .exited // eprintln('polling iterations: $i') assert i > 1 assert i < 20 } fn test_wait() { if os.user_os() == 'windows' { return } mut p := os.new_process('/bin/date') p.wait() assert p.pid != os.getpid() assert p.code == 0 assert p.status == .exited } fn test_slurping_output() { if os.user_os() == 'windows' { return } mut p := os.new_process('/bin/date') p.set_redirect_stdio() p.wait() assert p.code == 0 assert p.status == .exited output := p.stdout_slurp().trim_space() errors := p.stderr_slurp().trim_space() eprintln('p output: "$output"') eprintln('p errors: "$errors"') }