1# busybox expr 2busybox expr 1 \| 1 3busybox expr 1 \| 0 4busybox expr 0 \| 1 5busybox expr 1 \& 1 6busybox expr 0 \< 1 7busybox expr 1 \> 0 8busybox expr 0 \<= 1 9busybox expr 1 \<= 1 10busybox expr 1 \>= 0 11busybox expr 1 \>= 1 12busybox expr 1 + 2 13busybox expr 2 - 1 14busybox expr 2 \* 3 15busybox expr 12 / 2 16busybox expr 12 % 5 17 18 19set +e 20busybox expr 0 \| 0 21if [ $? != 1 ] ; then 22 exit 1; 23fi; 24 25busybox expr 1 \& 0 26if [ $? != 1 ] ; then 27 exit 1; 28fi; 29 30busybox expr 0 \& 1 31if [ $? != 1 ] ; then 32 exit 1; 33fi; 34 35busybox expr 0 \& 0 36if [ $? != 1 ] ; then 37 exit 1; 38fi; 39 40busybox expr 1 \< 0 41if [ $? != 1 ] ; then 42 exit 1; 43fi; 44 45busybox expr 0 \> 1 46if [ $? != 1 ] ; then 47 exit 1; 48fi; 49 50busybox expr 1 \<= 0 51if [ $? != 1 ] ; then 52 exit 1; 53fi; 54 55busybox expr 0 \>= 1 56if [ $? != 1 ] ; then 57 exit 1; 58fi; 59