| 1 | #!/bin/sh |
| 2 | TEST_PREFIX="[trap]" |
| 3 | . "$(cd "$(dirname "$0")" && pwd)/test_harness.sh" |
| 4 | |
| 5 | section "1. trap EXIT" |
| 6 | compare_output "trap EXIT runs on exit" 'trap "echo bye" EXIT; echo hello' |
| 7 | compare_output "trap EXIT runs after commands" 'trap "echo last" EXIT; echo first; echo second' |
| 8 | compare_output "trap EXIT with explicit exit" 'trap "echo cleanup" EXIT; echo running; exit 0' |
| 9 | compare_output "trap EXIT order" 'trap "echo bye" EXIT; echo a; echo b' |
| 10 | |
| 11 | section "2. trap management" |
| 12 | compare_output "trap reset with dash" 'trap "echo caught" EXIT; trap - EXIT; echo done' |
| 13 | compare_output "trap empty string ignores" 'trap "" INT; echo ok' |
| 14 | check_exit "trap -l lists signals" 'trap -l' "0" |
| 15 | check_exit "trap -p prints current traps" 'trap -p' "0" |
| 16 | compare_output "trap -p shows set trap" 'trap "echo bye" EXIT; trap -p EXIT' |
| 17 | |
| 18 | section "3. trap with signals" |
| 19 | compare_output "trap ERR on command failure" 'trap "echo error" ERR; false; true' |
| 20 | compare_output "trap multiple signals" 'trap "echo sig" EXIT; echo running' |
| 21 | compare_output "trap replaces previous" 'trap "echo first" EXIT; trap "echo second" EXIT; true' |
| 22 | |
| 23 | section "4. trap in subshell" |
| 24 | compare_output "trap not inherited in subshell" 'trap "echo parent" EXIT; (echo child); echo back' |
| 25 | compare_output "trap in subshell independent" '(trap "echo sub_exit" EXIT; echo in_sub)' |
| 26 | |
| 27 | print_summary |