Adding upstream version 5.0.upstream/5.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/redir4.sub b/tests/redir4.sub
new file mode 100644
index 0000000..14406d0
--- /dev/null
+++ b/tests/redir4.sub
@@ -0,0 +1,56 @@
+minus=-
+
+# standard input
+fd=0
+
+exec 3<&$fd
+
+read line <&3
+echo from stdin: $line
+
+# close fd 3
+exec 3<&${minus}
+
+# should give `bad fd', but exact error messages vary
+# read line <&3
+
+# standard output
+fd=1
+
+exec 4>&$fd
+
+echo to stdout >&4
+
+exec 4>&$minus
+
+# should give `bad fd', but exact error messages vary
+# echo to stdout >&4
+
+unset fd
+
+# these are ambiguous redirects
+exec 3<&$fd
+exec 4>&$fd
+
+exec 3>&1 4>&2
+
+exec >&${TMPDIR}/err-and-out
+echo to stdout
+echo to stderr >&2
+
+exec 1>&3 2>&4
+echo err-and-out:
+cat ${TMPDIR}/err-and-out
+
+rm ${TMPDIR}/err-and-out
+
+fd=${TMPDIR}/err-and-out
+exec >&$fd
+echo to stdout
+echo to stderr >&2
+
+exec 1>&3 2>&4
+echo err-and-out:
+cat ${TMPDIR}/err-and-out
+
+rm ${TMPDIR}/err-and-out