t_redir.sh revision 1.6
1 # $NetBSD: t_redir.sh,v 1.6 2016/05/02 01:47:14 christos Exp $ 2 # 3 # Copyright (c) 2016 The NetBSD Foundation, Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 1. Redistributions of source code must retain the above copyright 10 # notice, this list of conditions and the following disclaimer. 11 # 2. Redistributions in binary form must reproduce the above copyright 12 # notice, this list of conditions and the following disclaimer in the 13 # documentation and/or other materials provided with the distribution. 14 # 15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 # POSSIBILITY OF SUCH DAMAGE. 26 # 27 # the implementation of "sh" to test 28 : ${TEST_SH:="/bin/sh"} 29 30 # Any failures in this first test means it is not worth bothering looking 31 # for causes of failures in any other tests, make this one work first. 32 33 # Problems with this test usually mean inadequate ATF_SHELL used for testing. 34 # (though if all pass but the last, it might be a TEST_SH problem.) 35 36 atf_test_case basic_test_method_test 37 basic_test_method_test_head() 38 { 39 atf_set "descr" "Tests that test method works as expected" 40 } 41 basic_test_method_test_body() 42 { 43 cat <<- 'DONE' | 44 DONE 45 atf_check -s exit:0 -o empty -e empty ${TEST_SH} 46 cat <<- 'DONE' | 47 DONE 48 atf_check -s exit:0 -o match:0 -e empty ${TEST_SH} -c 'wc -l' 49 50 cat <<- 'DONE' | 51 echo hello 52 DONE 53 atf_check -s exit:0 -o match:hello -e empty ${TEST_SH} 54 cat <<- 'DONE' | 55 echo hello 56 DONE 57 atf_check -s exit:0 -o match:1 -e empty ${TEST_SH} -c 'wc -l' 58 59 cat <<- 'DONE' | 60 echo hello\ 61 world 62 DONE 63 atf_check -s exit:0 -o match:helloworld -e empty ${TEST_SH} 64 cat <<- 'DONE' | 65 echo hello\ 66 world 67 DONE 68 atf_check -s exit:0 -o match:2 -e empty ${TEST_SH} -c 'wc -l' 69 70 printf '%s\n%s\n%s\n' Line1 Line2 Line3 > File 71 atf_check -s exit:0 -o inline:'Line1\nLine2\nLine3\n' -e empty \ 72 ${TEST_SH} -c 'cat File' 73 74 cat <<- 'DONE' | 75 set -- X "" '' Y 76 echo ARGS="${#}" 77 echo '' -$1- -$2- -$3- -$4- 78 cat <<EOF 79 X=$1 80 EOF 81 cat <<\EOF 82 Y=$4 83 EOF 84 DONE 85 atf_check -s exit:0 -o match:ARGS=4 -o match:'-X- -- -- -Y-' \ 86 -o match:X=X -o match:'Y=\$4' -e empty ${TEST_SH} 87 } 88 89 atf_test_case do_input_redirections 90 do_input_redirections_head() 91 { 92 atf_set "descr" "Tests that simple input redirection works" 93 } 94 do_input_redirections_body() 95 { 96 printf '%s\n%s\n%s\nEND\n' 'First Line' 'Second Line' 'Line 3' >File 97 98 atf_check -s exit:0 -e empty \ 99 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 100 ${TEST_SH} -c 'cat < File' 101 atf_check -s exit:0 -e empty \ 102 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 103 ${TEST_SH} -c 'cat <File' 104 atf_check -s exit:0 -e empty \ 105 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 106 ${TEST_SH} -c 'cat< File' 107 atf_check -s exit:0 -e empty \ 108 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 109 ${TEST_SH} -c 'cat < "File"' 110 atf_check -s exit:0 -e empty \ 111 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 112 ${TEST_SH} -c '< File cat' 113 114 ln File wc 115 atf_check -s exit:0 -e empty \ 116 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 117 ${TEST_SH} -c '< wc cat' 118 119 mv wc cat 120 atf_check -s exit:0 -e empty -o match:4 \ 121 ${TEST_SH} -c '< cat wc' 122 123 124 cat <<- 'EOF' | 125 for l in 1 2 3; do 126 read line < File 127 echo "$line" 128 done 129 EOF 130 atf_check -s exit:0 -e empty \ 131 -o inline:'First Line\nFirst Line\nFirst Line\n' \ 132 ${TEST_SH} 133 134 cat <<- 'EOF' | 135 for l in 1 2 3; do 136 read line 137 echo "$line" 138 done <File 139 EOF 140 atf_check -s exit:0 -e empty \ 141 -o inline:'First Line\nSecond Line\nLine 3\n' \ 142 ${TEST_SH} 143 144 cat <<- 'EOF' | 145 for l in 1 2 3; do 146 read line < File 147 echo "$line" 148 done <File 149 EOF 150 atf_check -s exit:0 -e empty \ 151 -o inline:'First Line\nFirst Line\nFirst Line\n' \ 152 ${TEST_SH} 153 154 cat <<- 'EOF' | 155 line= 156 while [ "$line" != END ]; do 157 read line || exit 1 158 echo "$line" 159 done <File 160 EOF 161 atf_check -s exit:0 -e empty \ 162 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 163 ${TEST_SH} 164 165 cat <<- 'EOF' | 166 while :; do 167 read line || exit 0 168 echo "$line" 169 done <File 170 EOF 171 atf_check -s exit:0 -e empty \ 172 -o inline:'First Line\nSecond Line\nLine 3\nEND\n' \ 173 ${TEST_SH} 174 175 cat <<- 'EOF' | 176 l='' 177 while read line < File 178 do 179 echo "$line" 180 l="${l}x" 181 [ ${#l} -ge 3 ] && break 182 done 183 echo DONE 184 EOF 185 atf_check -s exit:0 -e empty \ 186 -o inline:'First Line\nFirst Line\nFirst Line\nDONE\n' \ 187 ${TEST_SH} 188 189 cat <<- 'EOF' | 190 while read line 191 do 192 echo "$line" 193 done <File 194 echo DONE 195 EOF 196 atf_check -s exit:0 -e empty \ 197 -o inline:'First Line\nSecond Line\nLine 3\nEND\nDONE\n' \ 198 ${TEST_SH} 199 200 cat <<- 'EOF' | 201 l='' 202 while read line 203 do 204 echo "$line" 205 l="${l}x" 206 [ ${#l} -ge 3 ] && break 207 done <File 208 echo DONE 209 EOF 210 atf_check -s exit:0 -e empty \ 211 -o inline:'First Line\nSecond Line\nLine 3\nDONE\n' ${TEST_SH} 212 213 cat <<- 'EOF' | 214 l='' 215 while read line1 <File 216 do 217 read line2 218 echo "$line1":"$line2" 219 l="${l}x" 220 [ ${#l} -ge 2 ] && break 221 done <File 222 echo DONE 223 EOF 224 atf_check -s exit:0 -e empty \ 225 -o inline:'First Line:First Line\nFirst Line:Second Line\nDONE\n' \ 226 ${TEST_SH} 227 } 228 229 atf_test_case do_output_redirections 230 do_output_redirections_head() 231 { 232 atf_set "descr" "Test Output redirections" 233 } 234 do_output_redirections_body() 235 { 236 nl=' 237 ' 238 T=0 239 i() { T=$(expr "$T" + 1); } 240 241 rm -f Output 2>/dev/null || : 242 test -f Output && atf_fail "Unable to remove Output file" 243 #1 244 i; atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c '> Output' 245 test -f Output || atf_fail "#$T: Did not make Output file" 246 #2 247 rm -f Output 2>/dev/null || : 248 i; atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c '>> Output' 249 test -f Output || atf_fail "#$T: Did not make Output file" 250 #3 251 rm -f Output 2>/dev/null || : 252 i; atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c '>| Output' 253 test -f Output || atf_fail "#$T: Did not make Output file" 254 255 #4 256 rm -f Output 2>/dev/null || : 257 i 258 atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c 'echo Hello >Output' 259 test -s Output || atf_fail "#$T: Did not make non-empty Output file" 260 test "$(cat Output)" = "Hello" || 261 atf_fail "#$T: Incorrect Output: Should be 'Hello' is '$(cat Output)'" 262 #5 263 i 264 atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c 'echo Hello>!Output' 265 test -s Output || atf_fail "#$T: Did not make non-empty Output file" 266 test "$(cat Output)" = "Hello" || 267 atf_fail "#$T: Incorrect Output: Should be 'Hello' is '$(cat Output)'" 268 #6 269 i 270 atf_check -s exit:0 -o empty -e empty ${TEST_SH} -c 'echo Bye >>Output' 271 test -s Output || atf_fail "#$T: Removed Output file" 272 test "$(cat Output)" = "Hello${nl}Bye" || atf_fail \ 273 "#$T: Incorrect Output: Should be 'Hello\\nBye' is '$(cat Output)'" 274 #7 275 i; atf_check -s exit:0 -o inline:'line 1\nline 2\n' -e empty \ 276 ${TEST_SH} -c \ 277 'echo line 1 > Output; echo line 2 >> Output; cat Output' 278 test "$(cat Output)" = "line 1${nl}line 2" || atf_fail \ 279 "#$T: Incorrect Output: Should be 'line 1\\nline 2' is '$(cat Output)'" 280 #8 281 i; atf_check -s exit:0 -o inline:'line 2\n' -e empty \ 282 ${TEST_SH} -c 'echo line 1 > Output; echo line 2' 283 test "$(cat Output)" = "line 1" || atf_fail \ 284 "#$T: Incorrect Output: Should be 'line 1' is '$(cat Output)'" 285 #9 286 i; atf_check -s exit:0 -o empty -e empty \ 287 ${TEST_SH} -c '(echo line 1; echo line 2 > Out2) > Out1' 288 test "$(cat Out1)" = "line 1" || atf_fail \ 289 "#$T: Incorrect Out1: Should be 'line 1' is '$(cat Out1)'" 290 test "$(cat Out2)" = "line 2" || atf_fail \ 291 "#$T: Incorrect Out2: Should be 'line 2' is '$(cat Out2)'" 292 #10 293 i; atf_check -s exit:0 -o empty -e empty \ 294 ${TEST_SH} -c '{ echo line 1; echo line 2 > Out2;} > Out1' 295 test "$(cat Out1)" = "line 1" || atf_fail \ 296 "#$T: Incorrect Out1: Should be 'line 1' is '$(cat Out1)'" 297 test "$(cat Out2)" = "line 2" || atf_fail \ 298 "#$T: Incorrect Out2: Should be 'line 2' is '$(cat Out2)'" 299 #11 300 i; rm -f Out1 Out2 2>/dev/null || : 301 cat <<- 'EOF' | 302 for arg in 'line 1' 'line 2' 'line 3' 303 do 304 echo "$arg" 305 echo "$arg" > Out1 306 done > Out2 307 EOF 308 atf_check -s exit:0 -o empty -e empty ${TEST_SH} 309 test "$(cat Out1)" = "line 3" || atf_fail \ 310 "#$T: Incorrect Out1: Should be 'line 3' is '$(cat Out1)'" 311 test "$(cat Out2)" = "line 1${nl}line 2${nl}line 3" || atf_fail \ 312 "#$T: Incorrect Out2: Should be 'line 1\\nline 2\\nline 3' is '$(cat Out2)'" 313 #12 314 i; rm -f Out1 Out2 2>/dev/null || : 315 cat <<- 'EOF' | 316 for arg in 'line 1' 'line 2' 'line 3' 317 do 318 echo "$arg" 319 echo "$arg" >> Out1 320 done > Out2 321 EOF 322 atf_check -s exit:0 -o empty -e empty ${TEST_SH} 323 test "$(cat Out1)" = "line 1${nl}line 2${nl}line 3" || atf_fail \ 324 "#$T: Incorrect Out1: Should be 'line 1\\nline 2\\nline 3' is '$(cat Out1)'" 325 test "$(cat Out2)" = "line 1${nl}line 2${nl}line 3" || atf_fail \ 326 "#$T: Incorrect Out2: Should be 'line 1\\nline 2\\nline 3' is '$(cat Out2)'" 327 } 328 329 atf_test_case fd_redirections 330 fd_redirections_head() 331 { 332 atf_set "descr" "Tests redirections to/from specific descriptors" 333 } 334 fd_redirections_body() 335 { 336 atf_require_prog /bin/echo 337 338 cat <<- 'DONE' > helper.sh 339 f() { 340 /bin/echo nothing "$1" >& "$1" 341 } 342 for n 343 do 344 eval "f $n $n"'> file-$n' 345 done 346 DONE 347 cat <<- 'DONE' > reread.sh 348 f() { 349 (read -r var; echo "${var}") <&"$1" 350 } 351 for n 352 do 353 x=$( eval "f $n $n"'< file-$n' ) 354 test "${x}" = "nothing $n" || echo "$n" 355 done 356 DONE 357 358 validate() 359 { 360 for n 361 do 362 test -e "file-$n" || atf_fail "file-$n not created" 363 C=$(cat file-"$n") 364 test "$C" = "nothing $n" || 365 atf_fail "file-$n contains '$C' not 'nothing $n'" 366 done 367 } 368 369 atf_check -s exit:0 -e empty -o empty \ 370 ${TEST_SH} helper.sh 1 2 3 4 5 6 7 8 9 371 validate 1 2 3 4 5 6 7 8 9 372 atf_check -s exit:0 -e empty -o empty \ 373 ${TEST_SH} reread.sh 3 4 5 6 7 8 9 374 375 L=$(ulimit -n) 376 if [ "$L" -ge 30 ] 377 then 378 atf_check -s exit:0 -e empty -o empty \ 379 ${TEST_SH} helper.sh 10 15 19 20 25 29 380 validate 10 15 19 20 25 29 381 atf_check -s exit:0 -e empty -o empty \ 382 ${TEST_SH} reread.sh 10 15 19 20 25 29 383 fi 384 if [ "$L" -ge 100 ] 385 then 386 atf_check -s exit:0 -e empty -o empty \ 387 ${TEST_SH} helper.sh 32 33 49 50 51 63 64 65 77 88 99 388 validate 32 33 49 50 51 63 64 65 77 88 99 389 atf_check -s exit:0 -e empty -o empty \ 390 ${TEST_SH} reread.sh 32 33 49 50 51 63 64 65 77 88 99 391 fi 392 if [ "$L" -ge 500 ] 393 then 394 atf_check -s exit:0 -e empty -o empty \ 395 ${TEST_SH} helper.sh 100 101 199 200 222 333 444 499 396 validate 100 101 199 200 222 333 444 499 397 atf_check -s exit:0 -e empty -o empty \ 398 ${TEST_SH} reread.sh 100 101 199 200 222 333 444 499 399 fi 400 if [ "$L" -gt 1005 ] 401 then 402 atf_check -s exit:0 -e empty -o empty \ 403 ${TEST_SH} helper.sh 1000 1001 1002 1003 1004 1005 404 validate 1000 1001 1002 1003 1004 1005 405 atf_check -s exit:0 -e empty -o empty \ 406 ${TEST_SH} reread.sh 1000 1001 1002 1003 1004 1005 407 fi 408 } 409 410 atf_test_case local_redirections 411 local_redirections_head() 412 { 413 atf_set "descr" \ 414 "Tests that exec can reassign file descriptors in the shell itself" 415 } 416 local_redirections_body() 417 { 418 cat <<- 'DONE' > helper.sh 419 for f 420 do 421 eval "exec $f"'> file-$f' 422 done 423 424 for f 425 do 426 printf '%s\n' "Hello $f" >&"$f" 427 done 428 429 for f 430 do 431 eval "exec $f"'>&-' 432 done 433 434 for f 435 do 436 eval "exec $f"'< file-$f' 437 done 438 439 for f 440 do 441 exec <& "$f" 442 read -r var || echo >&2 "No data in file-$f" 443 read -r x && echo >&2 "Too much data in file-${f}: $x" 444 test "${var}" = "Hello $f" || 445 echo >&2 "file-$f contains '${var}' not 'Hello $f'" 446 done 447 DONE 448 449 atf_check -s exit:0 -o empty -e empty \ 450 ${TEST_SH} helper.sh 3 4 5 6 7 8 9 451 452 L=$(ulimit -n) 453 if [ "$L" -ge 30 ] 454 then 455 atf_check -s exit:0 -o empty -e empty \ 456 ${TEST_SH} helper.sh 10 11 13 15 16 19 20 28 29 457 fi 458 if [ "$L" -ge 100 ] 459 then 460 atf_check -s exit:0 -o empty -e empty \ 461 ${TEST_SH} helper.sh 30 31 32 63 64 65 77 88 99 462 fi 463 if [ "$L" -ge 500 ] 464 then 465 atf_check -s exit:0 -o empty -e empty \ 466 ${TEST_SH} helper.sh 100 101 111 199 200 201 222 333 499 467 fi 468 if [ "$L" -ge 1005 ] 469 then 470 atf_check -s exit:0 -o empty -e empty \ 471 ${TEST_SH} helper.sh 1000 1001 1002 1003 1004 1005 472 fi 473 } 474 475 atf_test_case redir_in_case 476 redir_in_case_head() 477 { 478 atf_set "descr" "Tests that sh(1) allows just redirections " \ 479 "in case statements. (PR bin/48631)" 480 } 481 redir_in_case_body() 482 { 483 atf_check -s exit:0 -o empty -e empty \ 484 ${TEST_SH} -c 'case x in (whatever) >foo;; esac' 485 486 atf_check -s exit:0 -o empty -e empty \ 487 ${TEST_SH} -c 'case x in (whatever) >foo 2>&1;; esac' 488 489 atf_check -s exit:0 -o empty -e empty \ 490 ${TEST_SH} -c 'case x in (whatever) >foo 2>&1 </dev/null;; esac' 491 492 atf_check -s exit:0 -o empty -e empty \ 493 ${TEST_SH} -c 'case x in (whatever) >${somewhere};; esac' 494 } 495 496 atf_test_case incorrect_redirections 497 incorrect_redirections_head() 498 { 499 atf_set "descr" "Tests that sh(1) correctly ignores non-redirections" 500 } 501 incorrect_redirections_body() { 502 503 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c 'echo foo>' 504 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c 'read foo<' 505 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c 'echo foo<>' 506 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 507 'echo x > '"$nl" 508 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 509 'read x < '"$nl" 510 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 511 'echo x <> '"$nl" 512 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 513 'echo x >< anything' 514 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 515 'echo x >>< anything' 516 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 517 'echo x >|< anything' 518 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 519 'echo x > ; read x < /dev/null || echo bad' 520 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -c \ 521 'read x < & echo y > /dev/null; wait && echo bad' 522 523 rm -f Output 2>/dev/null || : 524 atf_check -s exit:0 -e empty -o inline:'A Line > Output\n' \ 525 ${TEST_SH} -c 'echo A Line \> Output' 526 test -f Output && atf_file "File 'Output' appeared and should not have" 527 528 rm -f Output 2>/dev/null || : 529 atf_check -s exit:0 -e empty -o empty \ 530 ${TEST_SH} -c 'echo A Line \>> Output' 531 test -f Output || atf_file "File 'Output' not created when it should" 532 test "$(cat Output)" = 'A Line >' || atf_fail \ 533 "Output file contains '$(cat Output)' instead of '"'A Line >'\' 534 535 rm -f Output \> 2>/dev/null || : 536 atf_check -s exit:0 -e empty -o empty \ 537 ${TEST_SH} -c 'echo A Line >\> Output' 538 test -f Output && atf_file "File 'Output' appeared and should not have" 539 test -f '>' || atf_file "File '>' not created when it should" 540 test "$(cat '>')" = 'A Line Output' || atf_fail \ 541 "Output file ('>') contains '$(cat '>')' instead of 'A Line Output'" 542 } 543 544 # Many more tests in t_here, so here we have just rudimentary checks 545 atf_test_case redir_here_doc 546 redir_here_doc_head() 547 { 548 atf_set "descr" "Tests that sh(1) correctly processes 'here' doc " \ 549 "input redirections" 550 } 551 redir_here_doc_body() 552 { 553 # nb: the printf is not executed, it is data 554 cat <<- 'DONE' | 555 cat <<EOF 556 printf '%s\n' 'hello\n' 557 EOF 558 DONE 559 atf_check -s exit:0 -o match:printf -o match:'hello\\n' \ 560 -e empty ${TEST_SH} 561 } 562 563 atf_test_case subshell_redirections 564 subshell_redirections_head() 565 { 566 atf_set "descr" "Tests redirection interactions between shell and " \ 567 "its sub-shell(s)" 568 } 569 subshell_redirections_body() 570 { 571 atf_require_prog cat 572 573 LIM=$(ulimit -n) 574 575 cat <<- 'DONE' | 576 exec 6>output-file 577 578 ( printf "hello\n" >&6 ) 579 580 exec 8<output-file 581 582 ( read hello <&8 ; test hello = "$hello" || echo >&2 Hello ) 583 584 ( printf "bye-bye\n" >&6 ) 585 586 ( exec 8<&- ) 587 read bye <&8 || echo >&2 "Closed?" 588 echo Bye="$bye" 589 DONE 590 atf_check -s exit:0 -o match:Bye=bye-bye -e empty \ 591 ${TEST_SH} 592 593 cat <<- 'DONE' | 594 for arg in one-4 two-24 three-14 595 do 596 fd=${arg#*-} 597 file=${arg%-*} 598 eval "exec ${fd}>${file}" 599 done 600 601 for arg in one-5 two-7 three-19 602 do 603 fd=${arg#*-} 604 file=${arg%-*} 605 eval "exec ${fd}<${file}" 606 done 607 608 ( 609 echo line-1 >&4 610 echo line-2 >&24 611 echo line-3 >&14 612 echo go 613 ) | ( 614 read go 615 read x <&5 616 read y <&7 617 read z <&19 618 619 printf "%s\n" "${x}" "${y}" "${z}" 620 ) 621 DONE 622 atf_check -s exit:0 -o inline:'line-1\nline-2\nline-3\n' \ 623 -e empty ${TEST_SH} 624 625 cat <<- 'DONE' | 626 for arg in one-4-5 two-6-7 three-8-9 four-11-10 five-3-12 627 do 628 ofd=${arg##*-} 629 file=${arg%-*} 630 ifd=${file#*-} 631 file=${file%-*} 632 eval "exec ${ofd}>${file}" 633 eval "exec ${ifd}<${file}" 634 done 635 636 ( ( ( echo line-1 >& 13 ) 13>&12 ) 12>&5 ) >stdout 2>errout 637 ( ( ( echo line-2 >& 4) 13>&12 ) 4>&7 ) >>stdout 2>>errout 638 ( ( ( echo line-3 >& 6) 8>&1 6>&11 >&12) 11>&9 >&7 ) >>stdout 639 640 ( ( ( cat <&13 >&12 ) 13<&8 12>&10 ) 10>&1 8<&6 ) 6<&4 641 ( ( ( cat <&4 ) <&4 6<&8 8<&11 ) 642 <&4 4<&6 6<&8 8<&11 ) <&4 4<&6 6<&8 8<&11 11<&3 643 ( ( ( cat <&7 >&1 ) 7<&6 >&10 ) 10>&2 6<&8 ) 2>&1 644 DONE 645 atf_check -s exit:0 -o inline:'line-1\nline-2\nline-3\n' \ 646 -e empty ${TEST_SH} 647 } 648 649 atf_test_case ulimit_redirection_interaction 650 ulimit_redirection_interaction_head() 651 { 652 atf_set "descr" "Tests interactions between redirect and ulimit -n " 653 } 654 ulimit_redirection_interaction_body() 655 { 656 atf_require_prog ls 657 658 cat <<- 'DONE' > helper.sh 659 oLIM=$(ulimit -n) 660 HRD=$(ulimit -H -n) 661 test "${oLIM}" -lt "${HRD}" && ulimit -n "${HRD}" 662 LIM=$(ulimit -n) 663 664 FDs= 665 LFD=-1 666 while [ ${LIM} -gt 16 ] 667 do 668 FD=$(( ${LIM} - 1 )) 669 if [ "${FD}" -eq "${LFD}" ]; then 670 echo >&2 "Infinite loop... (busted $(( )) ??)" 671 exit 1 672 fi 673 LFD="${FD}" 674 675 eval "exec ${FD}"'> /dev/null' 676 FDs="${FD}${FDs:+ }${FDs}" 677 678 ( 679 FD=$(( ${LIM} + 1 )) 680 eval "exec ${FD}"'> /dev/null' 681 echo "Reached unreachable command" 682 ) 2>/dev/null && echo >&2 "Opened beyond limit!" 683 684 (eval 'ls 2>&1 3>&1 4>&1 5>&1 '"${FD}"'>&1') >&"${FD}" 685 686 LIM=$(( ${LIM} / 2 )) 687 ulimit -S -n "${LIM}" 688 done 689 690 # Even though ulimit has been reduced, open fds should work 691 for FD in ${FDs} 692 do 693 echo ${FD} in ${FDs} >&"${FD}" || exit 1 694 done 695 696 ulimit -S -n "${oLIM}" 697 698 # maybe more later... 699 700 DONE 701 702 atf_check -s exit:0 -o empty -e empty ${TEST_SH} helper.sh 703 } 704 705 atf_init_test_cases() { 706 atf_add_test_case basic_test_method_test 707 atf_add_test_case do_input_redirections 708 atf_add_test_case do_output_redirections 709 atf_add_test_case fd_redirections 710 atf_add_test_case local_redirections 711 atf_add_test_case incorrect_redirections 712 atf_add_test_case redir_here_doc 713 atf_add_test_case redir_in_case 714 atf_add_test_case subshell_redirections 715 atf_add_test_case ulimit_redirection_interaction 716 } 717
Indexes created Tue Sep 30 20:09:53 GMT 2025