commit bash-20210305 snapshot

tests/read.right

@@ -34,10 +34,12 @@ a = xyz
 a = -xyz 123-
 a = abc
 timeout 1: ok
-
+unset or null 1
 timeout 2: ok
-
-./read2.sub: line 36: read: -3: invalid timeout specification
+unset or null 2
+timeout 3: ok
+unset or null 3
+./read2.sub: line 43: read: -3: invalid timeout specification
 1
 
 abcde

tests/read.tests

@@ -109,3 +109,6 @@ ${THIS_SH} ./read5.sub
 
 # test behavior of read -t 0
 ${THIS_SH} ./read6.sub
+
+# test behavior of readline timeouts
+# ${THIS_SH} ./read7.sub

tests/read2.sub

@@ -13,25 +13,32 @@
 #
 a=4
 
-read -t 2 a < /dev/tty
+read -t 1 a < /dev/tty
 estat=$?
 if [ $estat -gt 128 ]; then
 	echo timeout 1: ok
 else
 	echo $estat
 fi
+echo ${a:-unset or null 1}
 
-echo $a
-
-sleep 5 | read -t 1 a
+read -t 0.000001 a < /dev/tty
 estat=$?
 if [ $estat -gt 128 ]; then
 	echo timeout 2: ok
 else
 	echo $estat
 fi
+echo ${a:-unset or null 2}
 
-echo $a
+sleep 1 | read -t 0.25 a
+estat=$?
+if [ $estat -gt 128 ]; then
+	echo timeout 3: ok
+else
+	echo $estat
+fi
+echo ${a:-unset or null 3}
 
 read -t -3 a < /dev/tty
 echo $?
@@ -40,6 +47,6 @@ echo $a
 
 # the above should all time out
 echo abcde | {
-	read -t 2 a
+	read -t 0.5 a
 	echo $a
 }

tests/read7.sub

@@ -0,0 +1,55 @@
+#   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/>.
+#
+# test behavior of native readline timeouts
+
+read -t 0.001 -e var
+estat=$?
+if [ $estat -gt 128 ]; then
+	echo timeout 1: ok
+else
+	echo $estat
+fi
+echo ${var:-unset or null 1}
+
+read -e -t 0.1 var
+estat=$?
+if [ $estat -gt 128 ]; then
+	echo timeout 2: ok
+else
+	echo $estat
+fi
+echo ${var:-unset or null 2}
+
+read -e -t 1 var < /dev/tty
+estat=$?
+if [ $estat -gt 128 ]; then
+	echo timeout 3: ok
+else
+	echo $estat
+fi
+echo ${var:-unset or null 3}
+
+sleep 2 | read -t 1 -e a
+estat=$?
+if [ $estat -gt 128 ]; then
+	echo timeout 4: ok
+else
+	echo $estat
+fi
+
+# the above should all time out
+echo abcde | {
+	read -e -t 2 a
+	echo $a
+}