| 1 | #!/bin/sh |
| 2 | TEST_PREFIX="[ulimit]" |
| 3 | . "$(cd "$(dirname "$0")/.." && pwd)/test_harness.sh" |
| 4 | |
| 5 | section "1. ulimit display defaults" |
| 6 | compare_output "ulimit default shows file size" 'ulimit' |
| 7 | compare_output "ulimit -f same as default" 'ulimit -f' |
| 8 | check_exit "ulimit -a shows all limits" 'ulimit -a' "0" |
| 9 | check_output "ulimit -a produces output" 'ulimit -a | head -1 | grep -q . && echo yes' "yes" |
| 10 | |
| 11 | section "2. ulimit resource types" |
| 12 | compare_output "ulimit -n open files" 'ulimit -n' |
| 13 | compare_output "ulimit -s stack size" 'ulimit -s' |
| 14 | compare_output "ulimit -u max processes" 'ulimit -u' |
| 15 | compare_output "ulimit -t cpu time" 'ulimit -t' |
| 16 | compare_output "ulimit -c core size" 'ulimit -c' |
| 17 | compare_output "ulimit -d data size" 'ulimit -d' |
| 18 | compare_output "ulimit -v virtual memory" 'ulimit -v' |
| 19 | compare_output "ulimit -l locked memory" 'ulimit -l' |
| 20 | compare_output "ulimit -m RSS" 'ulimit -m' |
| 21 | |
| 22 | section "3. ulimit soft vs hard" |
| 23 | compare_output "ulimit -Sn soft open files" 'ulimit -Sn' |
| 24 | compare_output "ulimit -Hn hard open files" 'ulimit -Hn' |
| 25 | compare_output "ulimit -Ss soft stack" 'ulimit -Ss' |
| 26 | compare_output "ulimit -Hs hard stack" 'ulimit -Hs' |
| 27 | compare_output "ulimit -Su soft processes" 'ulimit -Su' |
| 28 | compare_output "ulimit -Hu hard processes" 'ulimit -Hu' |
| 29 | |
| 30 | section "4. ulimit set and query" |
| 31 | compare_output "ulimit -n set and get" 'ulimit -n 512; ulimit -n' |
| 32 | compare_output "ulimit -s set and get" 'ulimit -s 8192; ulimit -s' |
| 33 | compare_output "ulimit -c set to 0" 'ulimit -c 0; ulimit -c' |
| 34 | compare_output "ulimit -c set to unlimited" 'ulimit -c unlimited; ulimit -c' |
| 35 | |
| 36 | section "5. ulimit error handling" |
| 37 | compare_exit "ulimit invalid flag" 'ulimit -Z 2>/dev/null' |
| 38 | compare_exit "ulimit set above hard limit" 'ulimit -n 999999999 2>/dev/null' |
| 39 | compare_output "ulimit set then verify" 'OLD=$(ulimit -n); ulimit -n 256; echo $(ulimit -n); ulimit -n $OLD 2>/dev/null' |
| 40 | |
| 41 | print_summary |