| 1 | #!/bin/sh |
| 2 | # ===================================== |
| 3 | # POSIX Compliance Test Suite for shell |
| 4 | # ===================================== |
| 5 | # Tests compliance with POSIX shell specification |
| 6 | # Uses /bin/sh for comparison (typically dash or bash in POSIX mode) |
| 7 | |
| 8 | # Note: Using only POSIX-compliant constructs in this script |
| 9 | # No bash-isms allowed! |
| 10 | |
| 11 | # Colors (POSIX-compliant way) |
| 12 | RED='\033[0;31m' |
| 13 | GREEN='\033[0;32m' |
| 14 | YELLOW='\033[1;33m' |
| 15 | BLUE='\033[0;34m' |
| 16 | NC='\033[0m' |
| 17 | |
| 18 | # Test identification |
| 19 | TEST_PREFIX="[posix-test]" |
| 20 | CURRENT_SECTION="" |
| 21 | TEST_NUM=0 |
| 22 | |
| 23 | PASSED=0 |
| 24 | FAILED=0 |
| 25 | SKIPPED=0 |
| 26 | FAILED_TESTS_LIST="" |
| 27 | |
| 28 | # Get script directory (POSIX way) |
| 29 | SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd) |
| 30 | SHELL_BIN="${SHELL_BIN:?ERROR: SHELL_BIN must be set}" |
| 31 | BASH_REF="${BASH_REF:-bash}" |
| 32 | |
| 33 | # Check if shell binary exists |
| 34 | if [ ! -x "$SHELL_BIN" ]; then |
| 35 | printf "${RED}ERROR${NC}: shell binary not found at $SHELL_BIN\n" |
| 36 | printf "Please set SHELL_BIN or set SHELL_BIN environment variable\n" |
| 37 | exit 1 |
| 38 | fi |
| 39 | |
| 40 | # Test result trackers |
| 41 | pass() { |
| 42 | TEST_NUM=$((TEST_NUM + 1)) |
| 43 | printf "${GREEN}✓ PASS${NC} ${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}: %s\n" "$1" |
| 44 | PASSED=$((PASSED + 1)) |
| 45 | } |
| 46 | |
| 47 | fail() { |
| 48 | TEST_NUM=$((TEST_NUM + 1)) |
| 49 | TEST_ID="${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}" |
| 50 | printf "${RED}✗ FAIL${NC} ${TEST_ID}: %s\n" "$1" |
| 51 | FAILED_TESTS_LIST="${FAILED_TESTS_LIST} ${TEST_ID}: $1\n" |
| 52 | if [ -n "$2" ]; then |
| 53 | printf " posix: %s\n" "$2" |
| 54 | fi |
| 55 | if [ -n "$3" ]; then |
| 56 | printf " shell: %s\n" "$3" |
| 57 | fi |
| 58 | FAILED=$((FAILED + 1)) |
| 59 | } |
| 60 | |
| 61 | skip() { |
| 62 | TEST_NUM=$((TEST_NUM + 1)) |
| 63 | printf "${YELLOW}⊘ SKIP${NC} ${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}: %s - %s\n" "$1" "$2" |
| 64 | SKIPPED=$((SKIPPED + 1)) |
| 65 | } |
| 66 | |
| 67 | section() { |
| 68 | # Extract section number from header like "3. POSIX PARAMETER EXPANSION" |
| 69 | CURRENT_SECTION=$(echo "$1" | grep -oE '^[0-9]+' || echo "0") |
| 70 | TEST_NUM=0 |
| 71 | printf "\n" |
| 72 | printf "${BLUE}==========================================\n" |
| 73 | printf "%s\n" "$1" |
| 74 | printf "==========================================${NC}\n" |
| 75 | } |
| 76 | |
| 77 | # Helper function to run command in both shells and compare |
| 78 | compare_posix_output() { |
| 79 | test_name="$1" |
| 80 | command="$2" |
| 81 | posix_file="/tmp/posix_comp_$$_posix" |
| 82 | shell_file="/tmp/posix_comp_$$_fortsh" |
| 83 | |
| 84 | # Run in POSIX shell (sh) |
| 85 | "$BASH_REF" -c "$command" > "$posix_file" 2>&1 || true |
| 86 | |
| 87 | # Run in shell under test |
| 88 | "$SHELL_BIN" -c "$command" > "$shell_file" 2>&1 || true |
| 89 | |
| 90 | # Compare outputs |
| 91 | if diff -q "$posix_file" "$shell_file" > /dev/null 2>&1; then |
| 92 | pass "$test_name" |
| 93 | else |
| 94 | fail "$test_name" "$(cat "$posix_file")" "$(cat "$shell_file")" |
| 95 | fi |
| 96 | |
| 97 | rm -f "$posix_file" "$shell_file" |
| 98 | } |
| 99 | |
| 100 | # Helper function to compare exit codes |
| 101 | compare_posix_exit_code() { |
| 102 | test_name="$1" |
| 103 | command="$2" |
| 104 | |
| 105 | "$BASH_REF" -c "$command" > /dev/null 2>&1 |
| 106 | posix_exit=$? |
| 107 | |
| 108 | "$SHELL_BIN" -c "$command" > /dev/null 2>&1 |
| 109 | shell_exit=$? |
| 110 | |
| 111 | if [ "$posix_exit" -eq "$shell_exit" ]; then |
| 112 | pass "$test_name" |
| 113 | else |
| 114 | fail "$test_name" "exit=$posix_exit" "exit=$shell_exit" |
| 115 | fi |
| 116 | } |
| 117 | |
| 118 | # Cleanup |
| 119 | cleanup() { |
| 120 | rm -f /tmp/posix_comp_$$_* 2>/dev/null |
| 121 | rm -f /tmp/posix_test_* 2>/dev/null |
| 122 | } |
| 123 | trap cleanup EXIT INT TERM |
| 124 | |
| 125 | section "1. POSIX BASIC COMMANDS" |
| 126 | |
| 127 | compare_posix_output "echo simple" "echo hello" |
| 128 | compare_posix_output "echo with args" "echo one two three" |
| 129 | compare_posix_output "printf basic" "printf 'test\n'" |
| 130 | compare_posix_output "printf with args" "printf '%s %d\n' hello 42" |
| 131 | |
| 132 | section "2. POSIX VARIABLE EXPANSION" |
| 133 | |
| 134 | compare_posix_output "simple variable" "VAR=test; echo \$VAR" |
| 135 | compare_posix_output "variable in quotes" 'VAR=test; echo "$VAR"' |
| 136 | compare_posix_output "multiple vars" "A=hello; B=world; echo \$A \$B" |
| 137 | compare_posix_output "undefined variable" "echo \$UNDEFINED_VAR_XYZ_987" |
| 138 | |
| 139 | section "3. POSIX PARAMETER EXPANSION" |
| 140 | |
| 141 | # Basic parameter expansion |
| 142 | compare_posix_output "default value" 'echo "${UNSET:-default}"' |
| 143 | compare_posix_output "assign default" 'UNSET=; echo "${UNSET:=assigned}"; echo $UNSET' |
| 144 | compare_posix_output "error if unset" 'echo "${VAR:+alternative}"' |
| 145 | compare_posix_output "string length" 'VAR=hello; echo "${#VAR}"' |
| 146 | |
| 147 | # Prefix removal (# and ##) |
| 148 | compare_posix_output "remove shortest prefix" 'VAR=foo.bar.baz; echo "${VAR#*.}"' |
| 149 | compare_posix_output "remove longest prefix" 'VAR=foo.bar.baz; echo "${VAR##*.}"' |
| 150 | compare_posix_output "prefix no match" 'VAR=hello; echo "${VAR#x*}"' |
| 151 | compare_posix_output "prefix remove slash" 'VAR=/usr/local/bin; echo "${VAR#/*/}"' |
| 152 | |
| 153 | # Suffix removal (% and %%) |
| 154 | compare_posix_output "remove shortest suffix" 'VAR=foo.bar.baz; echo "${VAR%.*}"' |
| 155 | compare_posix_output "remove longest suffix" 'VAR=foo.bar.baz; echo "${VAR%%.*}"' |
| 156 | compare_posix_output "suffix no match" 'VAR=hello; echo "${VAR%x*}"' |
| 157 | compare_posix_output "suffix remove extension" 'VAR=file.tar.gz; echo "${VAR%.gz}"' |
| 158 | |
| 159 | section "4. POSIX COMMAND SUBSTITUTION" |
| 160 | |
| 161 | compare_posix_output "backtick substitution" 'echo `echo test`' |
| 162 | compare_posix_output "dollar paren substitution" "echo \$(echo test)" |
| 163 | compare_posix_output "nested substitution" "echo \$(echo \$(echo nested))" |
| 164 | |
| 165 | section "5. POSIX ARITHMETIC" |
| 166 | |
| 167 | # POSIX arithmetic uses expr or $(( )) |
| 168 | compare_posix_output "expr addition" "expr 5 + 3" |
| 169 | compare_posix_output "expr multiplication" "expr 4 \* 3" |
| 170 | compare_posix_output "expr division" "expr 15 / 3" |
| 171 | |
| 172 | section "6. POSIX REDIRECTION" |
| 173 | |
| 174 | compare_posix_output "output redirect" "echo test > /tmp/posix_test_out; cat /tmp/posix_test_out" |
| 175 | compare_posix_output "append redirect" "echo line1 > /tmp/posix_test_app; echo line2 >> /tmp/posix_test_app; wc -l < /tmp/posix_test_app" |
| 176 | compare_posix_output "input redirect" "echo input > /tmp/posix_test_in; cat < /tmp/posix_test_in" |
| 177 | compare_posix_output "stderr redirect" "ls /nonexistent 2>&1 | grep -c 'cannot access\|No such\|not found'" |
| 178 | |
| 179 | section "7. POSIX PIPELINES" |
| 180 | |
| 181 | compare_posix_output "simple pipe" "echo hello | cat" |
| 182 | compare_posix_output "two-stage pipe" "echo test | cat | tr t T" |
| 183 | compare_posix_output "pipe with filter" "printf 'a\nb\nc\n' | grep b" |
| 184 | |
| 185 | section "8. POSIX TEST COMMAND" |
| 186 | |
| 187 | compare_posix_exit_code "test -f file" "touch /tmp/posix_test_file && test -f /tmp/posix_test_file" |
| 188 | compare_posix_exit_code "test -d directory" "test -d /tmp" |
| 189 | compare_posix_exit_code "test -n nonempty" "test -n 'hello'" |
| 190 | compare_posix_exit_code "test -z empty" "test -z ''" |
| 191 | compare_posix_exit_code "test string =" "test 'hello' = 'hello'" |
| 192 | compare_posix_exit_code "test string !=" "test 'hello' != 'world'" |
| 193 | compare_posix_exit_code "test number -eq" "test 5 -eq 5" |
| 194 | compare_posix_exit_code "test number -ne" "test 5 -ne 3" |
| 195 | compare_posix_exit_code "test number -gt" "test 5 -gt 3" |
| 196 | compare_posix_exit_code "test number -ge" "test 5 -ge 5" |
| 197 | compare_posix_exit_code "test number -lt" "test 3 -lt 5" |
| 198 | compare_posix_exit_code "test number -le" "test 3 -le 3" |
| 199 | |
| 200 | section "9. POSIX CONDITIONALS" |
| 201 | |
| 202 | compare_posix_output "if true" "if true; then echo yes; fi" |
| 203 | compare_posix_output "if false else" "if false; then echo no; else echo yes; fi" |
| 204 | compare_posix_output "if-elif-else" "X=2; if [ \$X -eq 1 ]; then echo one; elif [ \$X -eq 2 ]; then echo two; else echo other; fi" |
| 205 | |
| 206 | section "10. POSIX LOOPS" |
| 207 | |
| 208 | compare_posix_output "for loop" "for i in a b c; do echo \$i; done" |
| 209 | compare_posix_output "while loop" "i=3; while [ \$i -gt 0 ]; do echo \$i; i=\$((i - 1)); done" |
| 210 | compare_posix_output "until loop" "i=1; until [ \$i -gt 3 ]; do echo \$i; i=\$((i + 1)); done" |
| 211 | |
| 212 | section "11. POSIX CASE STATEMENT" |
| 213 | |
| 214 | compare_posix_output "case exact match" "x=2; case \$x in 1) echo one;; 2) echo two;; esac" |
| 215 | compare_posix_output "case pattern match" "x=hello; case \$x in h*) echo h_prefix;; esac" |
| 216 | compare_posix_output "case default" "x=z; case \$x in a) echo a;; b) echo b;; *) echo default;; esac" |
| 217 | compare_posix_output "case multiple patterns" "x=b; case \$x in a|b|c) echo abc;; *) echo other;; esac" |
| 218 | |
| 219 | section "12. POSIX FUNCTIONS" |
| 220 | |
| 221 | compare_posix_output "simple function" "func() { echo hello; }; func" |
| 222 | compare_posix_output "function with args" "func() { echo \$1 \$2; }; func foo bar" |
| 223 | compare_posix_output "function return" "func() { return 42; }; func; echo \$?" |
| 224 | compare_posix_output "function \$# args" "func() { echo \$#; }; func a b c" |
| 225 | |
| 226 | section "13. POSIX SPECIAL VARIABLES" |
| 227 | |
| 228 | compare_posix_output "\$? exit status" "true; echo \$?" |
| 229 | compare_posix_output "\$? after false" "false; echo \$?" |
| 230 | compare_posix_output "\$# argument count" "set -- a b c; echo \$#" |
| 231 | compare_posix_output "\$@ all arguments" "set -- a b c; echo \$@" |
| 232 | compare_posix_output "\$* all arguments" "set -- a b c; echo \$*" |
| 233 | compare_posix_output "\$0 script name" "echo \$0 | grep -c sh" |
| 234 | |
| 235 | section "14. POSIX LOGICAL OPERATORS" |
| 236 | |
| 237 | compare_posix_exit_code "true && true" "true && true" |
| 238 | compare_posix_exit_code "true && false" "true && false" |
| 239 | compare_posix_exit_code "false || true" "false || true" |
| 240 | compare_posix_exit_code "false || false" "false || false" |
| 241 | compare_posix_output "command && echo" "true && echo success" |
| 242 | compare_posix_output "command || echo" "false || echo fallback" |
| 243 | compare_posix_output "! negation" "! false && echo negated" |
| 244 | |
| 245 | section "15. POSIX QUOTING" |
| 246 | |
| 247 | compare_posix_output "single quote literal" "echo '\$VAR'" |
| 248 | compare_posix_output "double quote expand" 'VAR=test; echo "$VAR"' |
| 249 | compare_posix_output "escape in double" 'echo "test\$var"' |
| 250 | compare_posix_output "backslash escape" 'echo test\ word' |
| 251 | |
| 252 | section "16. POSIX SUBSHELLS" |
| 253 | |
| 254 | compare_posix_output "subshell grouping" "(echo a; echo b) | wc -l" |
| 255 | compare_posix_output "subshell var isolation" "(VAR=inner; echo \$VAR); echo \$VAR" |
| 256 | |
| 257 | section "17. POSIX COMPOUND COMMANDS" |
| 258 | |
| 259 | compare_posix_output "command grouping {}" "{ echo a; echo b; } | wc -l" |
| 260 | compare_posix_output "command list ;" "echo a; echo b" |
| 261 | |
| 262 | section "18. POSIX HERE DOCUMENTS" |
| 263 | |
| 264 | compare_posix_output "simple heredoc" "cat <<EOF |
| 265 | line1 |
| 266 | line2 |
| 267 | EOF" |
| 268 | |
| 269 | compare_posix_output "heredoc with vars" "VAR=test; cat <<EOF |
| 270 | value=\$VAR |
| 271 | EOF" |
| 272 | |
| 273 | compare_posix_output "quoted heredoc" "cat <<'EOF' |
| 274 | \$VAR |
| 275 | EOF" |
| 276 | |
| 277 | section "19. POSIX WORD EXPANSION ORDER" |
| 278 | |
| 279 | # POSIX specifies: tilde, parameter, command subst, arithmetic, field splitting, pathname, quote removal |
| 280 | compare_posix_output "expansion order" "VAR='a b'; echo \$VAR" |
| 281 | compare_posix_output "quoted expansion" 'VAR="a b"; echo "$VAR"' |
| 282 | |
| 283 | section "20. POSIX PATHNAME EXPANSION (GLOBBING)" |
| 284 | |
| 285 | # Setup test files |
| 286 | mkdir -p /tmp/posix_test_glob |
| 287 | touch /tmp/posix_test_glob/a.txt /tmp/posix_test_glob/b.txt /tmp/posix_test_glob/c.dat |
| 288 | |
| 289 | compare_posix_output "glob * pattern" "ls /tmp/posix_test_glob/*.txt 2>/dev/null | wc -l" |
| 290 | compare_posix_output "glob ? pattern" "ls /tmp/posix_test_glob/?.txt 2>/dev/null | wc -l" |
| 291 | compare_posix_output "glob [abc] pattern" "ls /tmp/posix_test_glob/[ab].txt 2>/dev/null | wc -l" |
| 292 | |
| 293 | section "21. POSIX FIELD SPLITTING (IFS)" |
| 294 | |
| 295 | compare_posix_output "default IFS" "VAR='a b c'; set -- \$VAR; echo \$#" |
| 296 | compare_posix_output "custom IFS" "IFS=:; VAR='a:b:c'; set -- \$VAR; echo \$1" |
| 297 | |
| 298 | section "22. POSIX EXIT STATUS" |
| 299 | |
| 300 | compare_posix_exit_code "true exit status" "true" |
| 301 | compare_posix_exit_code "false exit status" "false" |
| 302 | compare_posix_exit_code "command not found" "nonexistent_command_xyz 2>/dev/null" |
| 303 | compare_posix_exit_code "return from function" "func() { return 3; }; func" |
| 304 | |
| 305 | section "23. POSIX SET BUILTIN" |
| 306 | |
| 307 | compare_posix_output "set positional" "set -- a b c; echo \$1 \$2 \$3" |
| 308 | compare_posix_output "set shift" "set -- a b c; shift; echo \$1" |
| 309 | compare_posix_output "set shift n" "set -- a b c d; shift 2; echo \$1" |
| 310 | |
| 311 | section "24. POSIX EXPORT" |
| 312 | |
| 313 | compare_posix_output "export variable" "export VAR=test; sh -c 'echo \$VAR'" |
| 314 | |
| 315 | section "25. POSIX READONLY" |
| 316 | |
| 317 | compare_posix_exit_code "readonly assignment" "readonly VAR=test; VAR=new 2>/dev/null" |
| 318 | |
| 319 | section "26. POSIX UNSET" |
| 320 | |
| 321 | compare_posix_output "unset variable" "VAR=test; unset VAR; echo \${VAR:-empty}" |
| 322 | compare_posix_output "unset nonexistent" "unset NONEXISTENT_VAR; echo ok" |
| 323 | compare_posix_exit_code "unset readonly fails" "readonly X=1; unset X 2>/dev/null" |
| 324 | compare_posix_output "unset function" "f() { echo hi; }; unset -f f; f 2>/dev/null || echo gone" |
| 325 | |
| 326 | section "27. POSIX EVAL" |
| 327 | |
| 328 | compare_posix_output "eval simple" "eval 'echo hello'" |
| 329 | compare_posix_output "eval variable" "CMD='echo test'; eval \$CMD" |
| 330 | compare_posix_output "eval assignment" "eval 'X=5'; echo \$X" |
| 331 | compare_posix_output "eval command subst" "eval 'echo \$(echo nested)'" |
| 332 | compare_posix_output "eval with semicolon" "eval 'echo a; echo b'" |
| 333 | |
| 334 | section "28. POSIX EXEC" |
| 335 | |
| 336 | compare_posix_output "exec replaces shell" "exec echo done" |
| 337 | compare_posix_exit_code "exec nonexistent" "exec /nonexistent/command 2>/dev/null" |
| 338 | |
| 339 | section "29. POSIX COLON BUILTIN" |
| 340 | |
| 341 | compare_posix_output "colon no-op" ": ; echo ok" |
| 342 | compare_posix_exit_code "colon exit status" ":" |
| 343 | compare_posix_output "colon with args" ": arg1 arg2; echo ok" |
| 344 | compare_posix_output "colon in if" "if :; then echo yes; fi" |
| 345 | |
| 346 | section "30. POSIX DOT/SOURCE" |
| 347 | |
| 348 | # Create temp script |
| 349 | echo 'SOURCED_VAR=from_source' > /tmp/posix_test_source.sh |
| 350 | compare_posix_output "dot source script" ". /tmp/posix_test_source.sh; echo \$SOURCED_VAR" |
| 351 | compare_posix_exit_code "dot nonexistent" ". /nonexistent_file 2>/dev/null" |
| 352 | |
| 353 | section "31. POSIX CD AND PWD" |
| 354 | |
| 355 | compare_posix_output "cd and pwd" "cd /tmp && pwd" |
| 356 | compare_posix_output "cd - returns to OLDPWD" "cd /tmp; cd /; cd -" |
| 357 | compare_posix_exit_code "cd nonexistent" "cd /nonexistent_dir 2>/dev/null" |
| 358 | compare_posix_output "pwd builtin" "pwd | grep -c /" |
| 359 | |
| 360 | section "32. POSIX UMASK" |
| 361 | |
| 362 | compare_posix_output "umask display" "umask | grep -E '^[0-9]{3,4}\$'" |
| 363 | compare_posix_output "umask set and restore" "OLD=\$(umask); umask 077; umask \$OLD" |
| 364 | |
| 365 | section "33. POSIX WAIT" |
| 366 | |
| 367 | compare_posix_output "wait for background" "sleep 0.1 & wait; echo done" |
| 368 | compare_posix_exit_code "wait no jobs" "wait" |
| 369 | |
| 370 | section "34. POSIX TIMES" |
| 371 | |
| 372 | # times is optional but common |
| 373 | # times output contains variable timing values, so just verify format |
| 374 | _times_out=$("$SHELL_BIN" -c 'times' 2>/dev/null) |
| 375 | if echo "$_times_out" | grep -qE '[0-9]+m[0-9]+\.[0-9]+s'; then |
| 376 | pass "times output exists" |
| 377 | else |
| 378 | fail "times output exists" "NmN.NNNs NmN.NNNs" "$_times_out" |
| 379 | fi |
| 380 | |
| 381 | section "35. POSIX BREAK AND CONTINUE" |
| 382 | |
| 383 | compare_posix_output "break in for" "for i in 1 2 3 4 5; do [ \$i -eq 3 ] && break; echo \$i; done" |
| 384 | compare_posix_output "continue in for" "for i in 1 2 3 4 5; do [ \$i -eq 3 ] && continue; echo \$i; done" |
| 385 | compare_posix_output "break in while" "i=0; while [ \$i -lt 10 ]; do i=\$((i+1)); [ \$i -eq 3 ] && break; echo \$i; done" |
| 386 | compare_posix_output "break 2 nested" "for i in a b; do for j in 1 2 3; do [ \$j -eq 2 ] && break 2; echo \$i\$j; done; done" |
| 387 | compare_posix_output "continue 2 nested" "for i in a b; do for j in 1 2 3; do [ \$j -eq 2 ] && continue 2; echo \$i\$j; done; done" |
| 388 | |
| 389 | section "36. POSIX SIGNAL HANDLING" |
| 390 | |
| 391 | # Note: trap output may vary by environment - test exit code |
| 392 | compare_posix_exit_code "trap list" "trap >/dev/null 2>&1" |
| 393 | compare_posix_output "trap on exit" "trap 'echo exiting' EXIT; exit 0" |
| 394 | compare_posix_exit_code "trap reset" "trap - INT" |
| 395 | |
| 396 | section "37. POSIX BACKGROUND AND JOBS" |
| 397 | |
| 398 | compare_posix_output "background job" "sleep 0.1 & echo started; wait" |
| 399 | # Note: $! returns different PIDs in each shell, so we check both output valid PIDs (exit code) |
| 400 | compare_posix_exit_code "\$! last background pid" "sleep 0.1 & echo \$! | grep -qE '^[0-9]+\$'" |
| 401 | |
| 402 | section "38. POSIX ALIAS" |
| 403 | |
| 404 | compare_posix_output "alias definition" "alias ll='ls -l'; alias | grep ll" |
| 405 | compare_posix_output "unalias" "alias x='echo test'; unalias x; alias | grep -c 'x=' || echo 0" |
| 406 | |
| 407 | section "39. POSIX COMMAND SEARCH" |
| 408 | |
| 409 | compare_posix_output "type builtin" "type echo | grep -c builtin" |
| 410 | compare_posix_output "command -v" "command -v echo | grep -c echo" |
| 411 | compare_posix_exit_code "command not found" "command -v nonexistent_xyz 2>/dev/null" |
| 412 | |
| 413 | section "40. POSIX COMPLEX EXPANSIONS" |
| 414 | |
| 415 | compare_posix_output "nested parameter expansion" 'A=hello; B=A; eval "echo \$$B"' |
| 416 | compare_posix_output "expansion in assignment" 'X=$(echo test); echo $X' |
| 417 | compare_posix_output "arithmetic in expansion" 'echo $((2 + 3 * 4))' |
| 418 | compare_posix_output "multiple substitutions" 'A=1; B=2; echo $(echo $A) $(echo $B)' |
| 419 | |
| 420 | # Summary |
| 421 | printf "\n" |
| 422 | printf "==========================================\n" |
| 423 | printf "POSIX COMPLIANCE TEST RESULTS ${TEST_PREFIX}\n" |
| 424 | printf "==========================================\n" |
| 425 | printf "${GREEN}Passed:${NC} %d\n" "$PASSED" |
| 426 | printf "${RED}Failed:${NC} %d\n" "$FAILED" |
| 427 | printf "${YELLOW}Skipped:${NC} %d\n" "$SKIPPED" |
| 428 | printf "Total: %d\n" "$((PASSED + FAILED + SKIPPED))" |
| 429 | printf "==========================================\n" |
| 430 | |
| 431 | if [ $((PASSED + FAILED)) -gt 0 ]; then |
| 432 | PASS_RATE=$((PASSED * 100 / (PASSED + FAILED))) |
| 433 | printf "Pass rate: %d%%\n" "$PASS_RATE" |
| 434 | fi |
| 435 | |
| 436 | if [ "$FAILED" -gt 0 ]; then |
| 437 | printf "\n${RED}Failed tests:${NC}\n" |
| 438 | printf "%b" "$FAILED_TESTS_LIST" |
| 439 | printf "==========================================\n" |
| 440 | fi |
| 441 | |
| 442 | if [ "$FAILED" -eq 0 ]; then |
| 443 | printf "${GREEN}ALL POSIX COMPLIANCE TESTS PASSED!${NC} ✓\n" |
| 444 | exit 0 |
| 445 | else |
| 446 | printf "${RED}SOME TESTS FAILED${NC} ✗\n" |
| 447 | exit 1 |
| 448 | fi |