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-rw-r--r--tests/dollar-at-star7.sub38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/dollar-at-star7.sub b/tests/dollar-at-star7.sub
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+++ b/tests/dollar-at-star7.sub
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+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+IFS='' # testing with only empty IFS
+
+set -- this is a test
+
+printf '|%s|\n' ${1+"$@"}
+echo
+printf '|%s|\n' "${1+$@}"
+echo
+printf '|%s|\n' "$@"
+echo
+
+printf '|%s|\n' ${1-"$@"}
+printf '|%s|\n' "${1-$@}"
+
+echo
+: ${foo:="$@"}
+printf '|%s|\n' "$foo"
+
+unset foo
+: "${foo:=$@}"
+printf '|%s|\n' "$foo"
+
+unset foo
+printf '|%s|\n' ${foo-"$@"}
+printf '|%s|\n' "${foo-$@}"