tools/bootconfig: Add testcase for show-command and quotes test

Add testcases for the return value of the command to show
bootconfig in initrd, and double/single quotes selecting.

Link: http://lkml.kernel.org/r/159230247428.65555.2109472942519215104.stgit@devnote2

Signed-off-by: Masami Hiramatsu <[e-mail]>
Signed-off-by: Steven Rostedt (VMware) <[e-mail]>

tools/bootconfig/test-bootconfig.sh

···
 xpass $BOOTCONF -a $TEMPCONF $INITRD
 new_size=$(stat -c %s $INITRD)
 
+echo "Show command test"
+xpass $BOOTCONF $INITRD
+
 echo "File size check"
 xpass test $new_size -eq $(expr $bconf_size + $initrd_size + 9 + 12)
 
···
 xpass grep -q "bar" $OUTFILE
 xpass grep -q "baz" $OUTFILE
 xpass grep -q "qux" $OUTFILE
+
+echo "Double/single quotes test"
+echo "key = '\"string\"';" > $TEMPCONF
+$BOOTCONF -a $TEMPCONF $INITRD
+$BOOTCONF $INITRD > $TEMPCONF
+cat $TEMPCONF
+xpass grep \'\"string\"\' $TEMPCONF
 
 echo "=== expected failure cases ==="
 for i in samples/bad-* ; do