diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/sh.test | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/tests/sh.test b/tests/sh.test index 4fae2062..de5a433c 100644 --- a/tests/sh.test +++ b/tests/sh.test @@ -1,5 +1,31 @@ #!/bin/echo no +# // ${#} ${#x} ${#@} ${#x[@]} ${#!} ${!#} +# // ${!} ${!@} ${!@Q} ${!x} ${!x@} ${!x@Q} ${!x#} ${!x[} ${!x[*]} + +# Looked like a prefix but wasn't: three chars (@ # -) are both paremeter name +# and slice operator. When immediately followed by } it's parameter, otherwise +# otherwise we did NOT have a prefix and it's an operator. +# +# ${#-} ${#-abc} +# ${##} ${##0} +# ${#@} ${#@Q} +# +# backslash not discarded: echo "abc\"def" + +# ${x:-y} use default +# ${x:=y} assign default (error if positional) +# ${x:?y} err if null +# ${x:+y} alt value +# ${x:off} ${x:off:len} off<0 from end (must ": -"), len<0 also from end must +# 0-based indexing +# ${@:off:len} positional parameters, off -1 = len, -len is error +# 1-based indexing + +# [] wins over +() +# touch 'AB[DEF]'; echo AB[+(DEF]) AB[+(DEF)? +# AB[+(DEF]) AB[DEF] + # Testing shell corner cases _within_ a shell script is kind of hard. [ -f testing.sh ] && . testing.sh @@ -36,6 +62,9 @@ testing '-c args2' "\$SH -c 'echo \${10}' a b c d e f g h i j k l" "k\n" "" "" testing '-c arg split' \ "$SH -c 'for i in a\"\$@\"b;do echo =\$i=;done;echo \$0' 123 456 789" \ "=a456=\n=789b=\n123\n" "" "" +testing '-c arg split2' \ + "$SH -c 'for i in a\"\$* \$@\"b; do echo =\$i=;done' one two three four five"\ + "=atwo three four five two=\n=three=\n=four=\n=fiveb=\n" "" "" testing '-c arg count' "$SH -c 'echo \$#' 9 8 7 6 1 2 3 4" "7\n" "" "" testing "exec3" '$C -c "{ exec readlink /proc/self/fd/0;} < /proc/self/exe"' \ "$(readlink -f $C)\n" "" "" @@ -159,6 +188,8 @@ testing "leading variable assignment" 'abc=def env | grep ^abc=; echo $abc' \ testing "leading variable assignments" \ "abc=def ghi=jkl env | egrep '^(abc|ghi)=' | sort; echo \$abc \$ghi" \ "abc=def\nghi=jkl\n\n" "" "" +testing "leading assignment occurs after parsing" \ + 'abc=def; abc=ghi echo $abc' "def\n" "" "" testing "leading assignment space" 'X="abc def"; Y=$X; echo "$Y"' \ "abc def\n" "" "" testing "leading assignment space2" \ @@ -253,11 +284,11 @@ testing "subshell splitting" 'for i in $(true); do echo =$i=; done' "" "" "" #testing "subshell split 2" # variable assignment argument splitting only performed for "$@" -testing "assignment splitting" 'X="one two"; Y=$X; echo $Y' "one two\n" "" "" +testing "assignment nosplit" 'X="one two"; Y=$X; echo $Y' "one two\n" "" "" testing "argument splitting" \ 'chicken() { for i in a"$@"b;do echo =$i=;done;}; chicken 123 456 789' \ "=a123=\n=456=\n=789b=\n" "" "" -testing "assignment splitting2" 'pop(){ X="$@";};pop one two three; echo $X' \ +testing "assignment nosplit2" 'pop(){ X="$@";};pop one two three; echo $X' \ "one two three\n" "" "" #testing "leading assignments don't affect current line" \ @@ -396,6 +427,8 @@ testing 'IFS wildcards' \ 'abc\ndef\nwallpapers\nwalrus\n' '' '' rm -f walrus wallpapers +# Force parsing granularity via interactive shxpect because bash parses all +# of sh -c "str" in one go, meaning the "shopt -s extglob" won't take effect shxpect 'IFS +(extglob)' I$'shopt -s extglob\n' E"$P" \ I$'IFS=x; ABC=cxd; for i in +($ABC); do echo =$i=; done\n' \ O$'=+(c=\n' O$'=d)=\n' @@ -404,6 +437,16 @@ touch abc\)d shxpect 'IFS +(extglob) 2' I$'shopt -s extglob\n' E"$P" \ I$'ABC="c?d"; for i in ab+($ABC); do echo =$i=; done\n' \ O$'=abc)d=\n' +rm abc\)d + +shxpect '[+(]) overlap priority' I$'shopt -s extglob\n' E"$P" \ + I$'touch "AB[DEF]"; echo AB[+(DEF]) AB[+(DEF)? AB+([DEF)]\n' \ + O$'AB[+(DEF]) AB[DEF] AB+([DEF)]\n' \ + I$'X="("; Y=")"; echo AB[+${X}DEF${Y}?\n' O$'AB[DEF]\n' + +# TODO: syntax error takes out ': ${a?b}; echo $?' (I.E. never runs echo) +shxpect '${a?b} sets err, stops cmdline eval' \ + I$': ${a?b} ${c:=d}\n' E E"$P" I$'echo $?$c\n' O$'1\n' # TODO finish variable list from shell init |