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Diffstat (limited to 'tests/posixexp5.sub')
| -rw-r--r-- | tests/posixexp5.sub | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/posixexp5.sub b/tests/posixexp5.sub new file mode 100644 index 0000000..e477bbb --- /dev/null +++ b/tests/posixexp5.sub @@ -0,0 +1,51 @@ +# test suite contribution from Martijn Dekker + +defaultIFS=$IFS +set -o errexit -o noglob +(set -o pipefail) 2>/dev/null && set -o pipefail +teststring=$(printf '\1\2\3\177') +n=0 + +trim_od() { + od -t a | sed -n '1 { s/^0*[[:blank:]]*//; s/[[:blank:]]*$//; p; }' +} + +doTest() { + set -- "$teststring" + eval "$testcmd" + case ${IFS+s}${IFS:+n} in + ( sn ) i=$(printf %s "$IFS" | trim_od) ;; + ( s ) i='(null)' ;; + ( '' ) i='(unset)' ;; + ( * ) echo 'internal error!' >&2; exit 125 ;; + esac + printf '\n%03d: IFS = %s: %s\n' "$((n+=1))" "$i" "$testcmd" + printf %s "$*${foo+/}${foo-}" | trim_od +} + +doAllTests() { + for testcmd in \ + 'unset -v foo; set -- ${foo=$*}' \ + 'unset -v foo; set -- ${foo="$*"}' \ + 'unset -v foo; set -- "${foo=$*}"' \ + \ + 'foo=; set -- ${foo:=$*}' \ + 'foo=; set -- ${foo:="$*"}' \ + 'foo=; set -- "${foo:=$*}"' \ + \ + 'unset -v foo; set -- ${foo=$@}' \ + 'unset -v foo; set -- ${foo="$@"}' \ + 'unset -v foo; set -- "${foo=$@}"' \ + \ + 'foo=; set -- ${foo:=$@}' \ + 'foo=; set -- ${foo:="$@"}' \ + 'foo=; set -- "${foo:=$@}"' + do + doTest "$testcmd" + done +} + +unset -v IFS; doAllTests +IFS=''; doAllTests +IFS='x'; doAllTests +IFS=$defaultIFS; doAllTests |