| 1 | #!/bin/sh |
| 2 | TEST_PREFIX="[readonly]" |
| 3 | . "$(cd "$(dirname "$0")/.." && pwd)/test_harness.sh" |
| 4 | |
| 5 | section "1. readonly basic" |
| 6 | compare_output "readonly VAR=value preserves value" 'readonly MYRO=hello; echo $MYRO' |
| 7 | compare_output "readonly existing var" 'MYVAR=test; readonly MYVAR; echo $MYVAR' |
| 8 | compare_output "readonly with empty value" 'readonly MYRO=""; echo ">${MYRO}<"' |
| 9 | compare_output "readonly multiple vars" 'readonly A=1 B=2; echo $A $B' |
| 10 | |
| 11 | section "2. readonly enforcement" |
| 12 | compare_exit "modify readonly var fails" 'readonly MYRO=hello; MYRO=world 2>/dev/null' |
| 13 | compare_exit "unset readonly var fails" 'readonly MYRO=hello; unset MYRO 2>/dev/null' |
| 14 | compare_output "readonly var in subshell" 'readonly MYRO=hello; echo $MYRO' |
| 15 | compare_exit "export readonly var succeeds" 'readonly MYRO=hello; export MYRO 2>/dev/null' |
| 16 | |
| 17 | section "3. readonly listing" |
| 18 | check_exit "readonly -p lists vars" 'readonly -p' "0" |
| 19 | compare_output "readonly -p shows declared vars" 'readonly TESTRO=abc; readonly -p | grep TESTRO' |
| 20 | |
| 21 | print_summary |