Add a better TEST script. I was surprised how much can be wrong

with program test(1) or builtin test(1).

bin/test/TEST.README

@@ -0,0 +1,24 @@
+#	$Id: $
+
+OS/shell			syntax error	failed
+--------------------------------------------------------------------
+bash 1.14.5 			3		0
+pdksh 5.2.5			7		0
+zsh 2.6-beta17			6		4
+FreeBSD 2.1 /bin/test		8		0
+IRIX 5.3 ksh			3		0
+IRIX 5.3 sh			3		0
+IRIX 5.3 /usr/bin/test		11		3
+SunOS 5.4 ksh			3		0
+SunOS 5.4 sh			3		0
+SunOS 5.4 /usr/ucb/test		3		0
+SunOS 5.5 ksh			0		0
+SunOS 5.5 sh			3		0
+SunOS 5.5 /usr/ucb/test		3		0
+SunOP 4.1.3_U1 sh		3		0
+SunOP 4.1.3_U1 /usr/bin/test	3		0
+ULTRIX 4.2 /bin/test		9		0
+ULTRIX 4.2 ksh			1		0
+ULTRIX 4.2 sh5			4		0
+
+96/06/16

bin/test/TEST.sh

@@ -0,0 +1,109 @@
+#!/bin/sh
+# (c) Wolfram Schneider, Berlin. June 1996. Public domain.
+#
+# TEST.sh - check if test(1) or builtin test works
+#
+# $Id: $
+
+# force a specified test program, e.g. `env test=/bin/test sh TEST.sh'
+: ${test=test}		
+
+ERROR=0 FAILED=0
+
+t ()
+{
+	# $1 -> exit code
+	# $2 -> $test expression
+
+	echo -n "$test $2 "
+
+	# check for syntax errors
+	syntax="`eval $test $2 2>&1`"
+	if test -z "$syntax"; then
+
+	case $1 in
+		0) if eval $test $2; then echo " OK"; else failed;fi;;
+		1) if eval $test $2; then failed; else echo " OK";fi;;
+	esac
+
+	else
+		error
+	fi
+}
+
+error () 
+{
+	echo ""; echo "	$syntax"
+	ERROR=`expr $ERROR + 1`
+}
+
+failed () 
+{
+	echo ""; echo "	failed"
+	FAILED=`expr $FAILED + 1`
+}
+
+
+t 0 'b = b' 
+t 1 'b != b' 
+t 0 '\( b = b \)' 
+t 1 '! \( b = b \)' 
+t 1 '! -f /etc/passwd'
+
+t 0 '-h = -h'
+t 0 '-o = -o'
+
+t 1 '-f = h'
+t 1 '-h = f'
+t 1 '-o = f'
+t 1 'f = -o'
+t 0 '\( -h = -h \)'
+t 1 '\( a = -h \)'
+t 1 '\( -f = h \)'
+
+
+t 1 '\( -f = h \)'
+
+t 0 '-h = -h -o a'
+t 0 '\( -h = -h \) -o 1'
+
+t 0 '-h = -h -o -h = -h'
+t 0 '\( -h = -h \) -o \( -h = -h \)'
+
+t 0 '-d /'
+t 0 '-d / -a a != b'
+t 1 '-z "-z"'
+t 0 '-n -n'
+t 0 '0 -eq 0'
+t 0 '\( 0 -eq 0 \)'
+t 1 '1 -eq 0 -o a = a -a 1 -eq 0 -o a = aa'
+
+t 0 '0'
+t 0 '\( 0 \)'
+t 0 '-E'
+t 0 '-X -a -X'
+t 0 '-XXX'
+t 0 '\( -E \)'
+t 0 'true -o X'
+t 0 'true -o -X'
+t 0 '\( \( \( a = a \) -o 1 \) -a 1 \) -a true'
+t 1 '-h /'
+t 0 '-r /'
+t 1 '-w /'
+t 0 '-x /bin/sh'
+t 0 '-c /dev/null'
+t 0 '-b /dev/fd0a -o -b /dev/rfd0a -o true'
+t 0 '-f /etc/passwd'
+t 0 '-s /etc/passwd'
+t 1 '! \( 700 -le 1000 -a -n "1" -a "20" = "20" \)'
+t 0 '100 -eq 100'
+t 0 '100 -lt 200'
+t 1 '1000 -lt 200'
+t 0 '1000 -gt 200'
+t 0 '1000 -ge 200'
+t 0 '1000 -ge 1000'
+t 1 '2 -ne 2'
+
+echo ""
+echo "Syntax errors: $ERROR Failed: $FAILED"
+