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-rw-r--r--tests/posixexp4.sub31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/posixexp4.sub b/tests/posixexp4.sub
new file mode 100644
index 0000000..22bfeca
--- /dev/null
+++ b/tests/posixexp4.sub
@@ -0,0 +1,31 @@
+set -- ' abc' 'def ghi' 'jkl '
+
+echo normal IFS
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}
+
+echo null IFS
+IFS=
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}
+
+echo non-standard IFS
+IFS=:
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@} # this is inconsistent
+
+echo unset IFS
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}