191 lines
4.8 KiB
Bash
191 lines
4.8 KiB
Bash
#! /bin/sh
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# posix-2.sh - Simple identification tests for POSIX.2 features
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# commonly missing or incorrectly implemented.
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# Time-stamp: <96/04/10 16:43:48 gildea>
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# By Stephen Gildea <gildea@x.org> March 1995
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#
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# Copyright (c) 1995 Stephen Gildea
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# Permission is hereby granted to deal in this Software without restriction.
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# THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
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#
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# MODIFIED BY chet@po.cwru.edu to make part of the bash test suite.
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# last change: Wed Jun 19 12:24:24 EDT 1996
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#
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# some of the tests:
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#
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# shell functions (do we care?)
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# var=${var:-val}
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# unset
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# set --
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# IFS parsing
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## not exiting with -e and failed "if", the way Ultrix does (Ultrix 4.2?)
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# "$@" expands to zero arguments if passed zero arguments
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# $SHELL -c 'echo $1' bad good
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# test -x
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# positional parameters greater than 9
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# arithmetic expansion $(( ... ))
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# getopts
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# For some tests we must run a sub-shell; $TESTSHELL says what to use.
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# If set, TESTSHELL must be an absolute pathname.
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# For example, on HP-UX 9, /bin/posix/sh is the supposedly-compliant shell.
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TESTSHELL=${THIS_SH:-$PWD/../bash}
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# these tests create temp files with names $TMPDIR/conf*
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: ${TMPDIR:=/tmp}
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exitval=0
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numtests=0
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echo "Testing for POSIX.2 conformance"
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newtest()
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{
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numtests=$(($numtests + 1))
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}
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testfail()
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{
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echo "$1 test failed"
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exitval=$(($exitval + 1))
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}
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newtest
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empty=""
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test "${empty:-ok}" = ok || testfail "empty var colon"
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newtest
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test "${empty-bad}" = "" || testfail "got \"${empty-bad}\": empty var nocolon"
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newtest
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test "${unsetvar-ok}" = ok || testfail "unset var"
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newtest
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unset empty
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test "${empty-ok}" = ok || testfail "unset"
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newtest
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set -- -Z
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test "x$1" = x-Z || testfail '\"set -- arg\"'
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# this should empty the argument list
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newtest
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set --
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test $# = 0 || testfail "still $# args: \"set --\""
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# IFS parsing:
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newtest
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names=one/good/three
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saved_ifs="$IFS"
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IFS=/
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set $names lose
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test "$2" = good || testfail "got \"$2\": IFS parsing"
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IFS="$saved_ifs"
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# "$@" with 0 arguments should expand to 0 arguments
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newtest
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cat > $TMPDIR/conftest1 << EOF
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$TMPDIR/conftest2 "\$@"
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EOF
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cat > $TMPDIR/conftest2 << "EOF"
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#! /bin/sh
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echo $#
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EOF
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chmod +x $TMPDIR/conftest1 $TMPDIR/conftest2
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numargs=$($TESTSHELL $TMPDIR/conftest1)
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if [ "$?" != 0 ]; then
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testfail 'running $@'
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else
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test "$numargs" = 0 || testfail '"$@" got '"$numargs args: expansion w 0 args"
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fi
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rm -f $TMPDIR/conftest1 $TMPDIR/conftest2
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newtest
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val=$("$TESTSHELL" -c 'echo $1' csh good)
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test "$val" = good || testfail "got \"$val\": sh -c"
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newtest
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# do these tests in a sub-shell because failure will exit
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val=$("$TESTSHELL" -c 'echo ${10}' 0 1 2 3 4 5 6 7 8 9 ten 11 2> /dev/null)
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test "$val" = ten || testfail "accessing more than 9 positional params"
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a=abc_def_ghi
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export a
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newtest; val=`"$TESTSHELL" -c 'echo "${a%_*}"' 2> /dev/null`
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test "$val" = abc_def || testfail "parameter % op"
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newtest; val=`"$TESTSHELL" -c 'echo "${a%%_*}"' 2> /dev/null`
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test "$val" = abc || testfail "parameter %% op"
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newtest; val=`"$TESTSHELL" -c 'echo "${a#*_}"' 2> /dev/null`
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test "$val" = def_ghi || testfail "parameter # op"
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newtest; val=`"$TESTSHELL" -c 'echo "${a##*_}"' 2> /dev/null`
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test "$val" = ghi || testfail "parameter ## op"
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newtest
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"$TESTSHELL" -c 'export a=value' 2> /dev/null || testfail "export with value"
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newtest
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a=5; test "$(( ($a+1)/2 ))" = 3 || testfail "arithmetic expansion"
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# does "test" support the -x switch?
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newtest
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touch $TMPDIR/conftest
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chmod -x $TMPDIR/conftest
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test -x $TMPDIR/conftest && testfail "negative test -x"
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chmod +x $TMPDIR/conftest
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test -x $TMPDIR/conftest || testfail "positive test -x"
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rm -f $TMPDIR/conftest
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newtest
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test "$OPTIND" = 1 || testfail "OPTIND initial value"
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newtest
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getopts a: store -a aoptval
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if [ "$OPTIND" != 3 ] || [ "$store" != a ] || [ "$OPTARG" != aoptval ]; then
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testfail "getopts"
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fi
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# if I change the default quoting style for variable values, these
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# next four must change
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newtest
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SQUOTE="'"
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val1=$(set | sed -n 's:^SQUOTE=::p')
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if [ "$val1" != "\'" ]; then
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testfail "variable quoting 1"
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fi
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newtest
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VTILDE='~'
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val1=$(set | sed -n 's:^VTILDE=::p')
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if [ "$val1" != "'~'" ]; then
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testfail "variable quoting 2"
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fi
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newtest
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VHASH=ab#cd
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val1=$(set | sed -n 's:^VHASH=::p')
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if [ "$val1" != "ab#cd" ]; then
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testfail "variable quoting 3"
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fi
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newtest
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VHASH2=#abcd
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val1=$(set | sed -n 's:^VHASH2=::p')
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if [ "$val1" != "'#abcd'" ]; then
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testfail "variable quoting 4"
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fi
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# these are Posix.2 shell grammar rule 4, problems through bash-4.3
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newtest
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case esac in (foo|esac) ;; *) testfail "case esac test 1" ;; esac
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newtest
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case esac in foo|esac) ;; *) testfail "case esac test 2" ;; esac
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# these are supposed to be syntax errors
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newtest
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eval 'case esac in (esac) ;; *) echo "case esac test 3" ;; esac'
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newtest
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eval 'case esac in esac) ;; *) echo "case esac test 4";; esac'
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if [ $exitval = 0 ]; then
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echo "All tests passed"
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else
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echo "$exitval of $numtests tests failed"
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fi
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exit $exitval
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