usr.bin/m4/TEST/math.m4

   1 dnl A regression test for m4 C operators                (ksb,petef)
   2 dnl If you think you have a short-circuiting m4, run us m4 -DSHORCIRCUIT=yes
   3 dnl
   4 dnl first level of precedence
   5 ifelse(expr(-7),-7,,`failed -
   6 ')dnl
   7 ifelse(expr(- -2),2,,`failed -
   8 ')dnl
   9 ifelse(expr(!0),1,,`failed !
  10 ')dnl
  11 ifelse(expr(!7),0,,`failed !
  12 ')dnl
  13 ifelse(expr(~-1),0,,`failed ~
  14 ')dnl
  15 dnl next level of precedence
  16 ifelse(expr(3*5),15,,`failed *
  17 ')dnl
  18 ifelse(expr(3*0),0,,`failed *
  19 ')dnl
  20 ifelse(expr(11/2),5,,`failed /
  21 ')dnl
  22 ifelse(expr(1/700),0,,`failed /
  23 ')dnl
  24 ifelse(expr(10%5),0,,`failed %
  25 ')dnl
  26 ifelse(expr(2%5),2,,`failed %
  27 ')dnl
  28 ifelse(expr(2%-1),0,,`failed %
  29 ')dnl
  30 dnl next level of precedence
  31 ifelse(expr(2+2),4,,`failed +
  32 ')dnl
  33 ifelse(expr(2+-2),0,,`failed +
  34 ')dnl
  35 ifelse(expr(2- -2),4,,`failed -
  36 ')dnl
  37 ifelse(expr(2-2),0,,`failed -
  38 ')dnl
  39 dnl next level of precedence
  40 ifelse(expr(1<<4),16,,`failed <<
  41 ')dnl
  42 ifelse(expr(16>>4),1,,`failed >>
  43 ')dnl
  44 dnl next level of precedence
  45 ifelse(expr(4<4),0,,`failed <
  46 ')dnl
  47 ifelse(expr(4<5),1,,`failed <
  48 ')dnl
  49 ifelse(expr(4<3),0,,`failed <
  50 ')dnl
  51 ifelse(expr(4>4),0,,`failed >
  52 ')dnl
  53 ifelse(expr(4>5),0,,`failed >
  54 ')dnl
  55 ifelse(expr(4>3),1,,`failed >
  56 ')dnl
  57 ifelse(expr(4<=4),1,,`failed <=
  58 ')dnl
  59 ifelse(expr(4<=5),1,,`failed <=
  60 ')dnl
  61 ifelse(expr(4<=3),0,,`failed <=
  62 ')dnl
  63 ifelse(expr(4>=4),1,,`failed >=
  64 ')dnl
  65 ifelse(expr(4>=5),0,,`failed >=
  66 ')dnl
  67 ifelse(expr(4>=3),1,,`failed >=
  68 ')dnl
  69 dnl next level of precedence
  70 ifelse(expr(1==1),1,,`failed ==
  71 ')dnl
  72 ifelse(expr(1==-1),0,,`failed ==
  73 ')dnl
  74 ifelse(expr(1!=1),0,,`failed !=
  75 ')dnl
  76 ifelse(expr(1!=2),1,,`failed !=
  77 ')dnl
  78 dnl next level of precedence
  79 ifelse(expr(3&5),1,,`failed &
  80 ')dnl
  81 ifelse(expr(8&7),0,,`failed &
  82 ')dnl
  83 dnl next level of precedence
  84 ifelse(expr(1^1),0,,`failed ^
  85 ')dnl
  86 ifelse(expr(21^5),16,,`failed ^
  87 ')dnl
  88 dnl next level of precedence
  89 ifelse(expr(1|1),1,,`failed |
  90 ')dnl
  91 ifelse(expr(21|5),21,,`failed |
  92 ')dnl
  93 ifelse(expr(100|1),101,,`failed |
  94 ')dnl
  95 dnl next level of precedence
  96 ifelse(expr(1&&1),1,,`failed &&
  97 ')dnl
  98 ifelse(expr(0&&1),0,,`failed &&
  99 ')dnl
 100 ifelse(expr(1&&0),0,,`failed &&
 101 ')dnl
 102 ifelse(SHORTCIRCUIT,`yes',`ifelse(expr(0&&10/0),0,,`failed && shortcircuit
 103 ')')dnl
 104 dnl next level of precedence
 105 ifelse(expr(1||1),1,,`failed ||
 106 ')dnl
 107 ifelse(expr(1||0),1,,`failed ||
 108 ')dnl
 109 ifelse(expr(0||0),0,,`failed ||
 110 ')dnl
 111 ifelse(SHORTCIRCUIT,`yes',`ifelse(expr(1||10/0),1,,`failed || shortcircuit
 112 ')')dnl
 113 dnl next level of precedence
 114 ifelse(expr(0 ? 2 : 5),5,,`failed ?:
 115 ')dnl
 116 ifelse(expr(1 ? 2 : 5),2,,`failed ?:
 117 ')dnl
 118 ifelse(SHORTCIRCUIT,`yes',`ifelse(expr(0 ? 10/0 : 7),7,,`failed ?: shortcircuit
 119 ')')dnl
 120 ifelse(SHORTCIRCUIT,`yes',`ifelse(expr(1 ? 7 : 10/0),7,,`failed ?: shortcircuit
 121 ')')dnl
 122 dnl operator precedence
 123 ifelse(expr(!0*-2),-2,,`precedence wrong, ! *
 124 ')dnl
 125 ifelse(expr(~8/~2),3,,`precedence wrong ~ /
 126 ')dnl
 127 ifelse(expr(~-20%7),5,,`precedence wrong ~ %
 128 ')dnl
 129 ifelse(expr(3*2+100),106,,`precedence wrong * +
 130 ')dnl
 131 ifelse(expr(3+2*100),203,,`precedence wrong + *
 132 ')dnl
 133 ifelse(expr(2%5-6/3),0,,`precedence wrong % -
 134 ')dnl
 135 ifelse(expr(2/5-5%3),-2,,`precedence wrong / -
 136 ')dnl
 137 ifelse(expr(2+5%5+1),3,,`precedence wrong % +
 138 ')dnl
 139 ifelse(expr(7+9<<1),32,,`precedence wrong + <<
 140 ')dnl
 141 ifelse(expr(35-3>>2),8,,`precedence wrong - >>
 142 ')dnl
 143 ifelse(expr(9<10<<5),1,,`precedence wrong << <
 144 ')dnl
 145 ifelse(expr(9>10<<5),0,,`precedence wrong << >
 146 ')dnl
 147 ifelse(expr(32>>2<32),1,,`precedence wrong >> <
 148 ')dnl
 149 ifelse(expr(9<=10<<5),1,,`precedence wrong << <
 150 ')dnl
 151 ifelse(expr(5<<1<=20>>1),1,,`precedence wrong << <=
 152 ')dnl
 153 ifelse(expr(5<<1>=20>>1),1,,`precedence wrong << >=
 154 ')dnl
 155 ifelse(expr(0<7==5>=5),1,,`precedence wrong < ==
 156 ')dnl
 157 ifelse(expr(0<7!=5>=5),0,,`precedence wrong < !=
 158 ')dnl
 159 ifelse(expr(0>7==5>=5),0,,`precedence wrong > ==
 160 ')dnl
 161 ifelse(expr(0>7!=5>=5),1,,`precedence wrong > !=
 162 ')dnl
 163 ifelse(expr(1&7==7),1,,`precedence wrong & ==
 164 ')dnl
 165 ifelse(expr(0&7!=6),0,,`precedence wrong & !=
 166 ')dnl
 167 ifelse(expr(9&1|5),5,,`precedence wrong & |
 168 ')dnl
 169 ifelse(expr(9&1^5),4,,`precedence wrong & ^
 170 ')dnl
 171 ifelse(expr(9^1|5),13,,`precedence wrong ^ |
 172 ')dnl
 173 ifelse(expr(5|0&&1),1,,`precedence wrong | &&
 174 ')dnl
 175 ifelse(expr(5&&0||0&&5||5),1,,`precedence wrong && ||
 176 ')dnl
 177 ifelse(expr(0 || 1 ? 0 : 1),0,,`precedence wrong || ?:
 178 ')dnl
 179 ifelse(expr(5&&(0||0)&&(5||5)),0,,`precedence wrong || parens
 180 ')dnl