1*0Sstevel@tonic-gate#!./perl 2*0Sstevel@tonic-gate 3*0Sstevel@tonic-gate# 4*0Sstevel@tonic-gate# test the bit operators '&', '|', '^', '~', '<<', and '>>' 5*0Sstevel@tonic-gate# 6*0Sstevel@tonic-gate 7*0Sstevel@tonic-gateBEGIN { 8*0Sstevel@tonic-gate chdir 't' if -d 't'; 9*0Sstevel@tonic-gate @INC = '../lib'; 10*0Sstevel@tonic-gate require "./test.pl"; 11*0Sstevel@tonic-gate} 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate# Tests don't have names yet. 14*0Sstevel@tonic-gate# If you find tests are failing, please try adding names to tests to track 15*0Sstevel@tonic-gate# down where the failure is, and supply your new names as a patch. 16*0Sstevel@tonic-gate# (Just-in-time test naming) 17*0Sstevel@tonic-gateplan tests => 46; 18*0Sstevel@tonic-gate 19*0Sstevel@tonic-gate# numerics 20*0Sstevel@tonic-gateok ((0xdead & 0xbeef) == 0x9ead); 21*0Sstevel@tonic-gateok ((0xdead | 0xbeef) == 0xfeef); 22*0Sstevel@tonic-gateok ((0xdead ^ 0xbeef) == 0x6042); 23*0Sstevel@tonic-gateok ((~0xdead & 0xbeef) == 0x2042); 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate# shifts 26*0Sstevel@tonic-gateok ((257 << 7) == 32896); 27*0Sstevel@tonic-gateok ((33023 >> 7) == 257); 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate# signed vs. unsigned 30*0Sstevel@tonic-gateok ((~0 > 0 && do { use integer; ~0 } == -1)); 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gatemy $bits = 0; 33*0Sstevel@tonic-gatefor (my $i = ~0; $i; $i >>= 1) { ++$bits; } 34*0Sstevel@tonic-gatemy $cusp = 1 << ($bits - 1); 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gateok (($cusp & -1) > 0 && do { use integer; $cusp & -1 } < 0); 38*0Sstevel@tonic-gateok (($cusp | 1) > 0 && do { use integer; $cusp | 1 } < 0); 39*0Sstevel@tonic-gateok (($cusp ^ 1) > 0 && do { use integer; $cusp ^ 1 } < 0); 40*0Sstevel@tonic-gateok ((1 << ($bits - 1)) == $cusp && 41*0Sstevel@tonic-gate do { use integer; 1 << ($bits - 1) } == -$cusp); 42*0Sstevel@tonic-gateok (($cusp >> 1) == ($cusp / 2) && 43*0Sstevel@tonic-gate do { use integer; abs($cusp >> 1) } == ($cusp / 2)); 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate$Aaz = chr(ord("A") & ord("z")); 46*0Sstevel@tonic-gate$Aoz = chr(ord("A") | ord("z")); 47*0Sstevel@tonic-gate$Axz = chr(ord("A") ^ ord("z")); 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate# short strings 50*0Sstevel@tonic-gateis (("AAAAA" & "zzzzz"), ($Aaz x 5)); 51*0Sstevel@tonic-gateis (("AAAAA" | "zzzzz"), ($Aoz x 5)); 52*0Sstevel@tonic-gateis (("AAAAA" ^ "zzzzz"), ($Axz x 5)); 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate# long strings 55*0Sstevel@tonic-gate$foo = "A" x 150; 56*0Sstevel@tonic-gate$bar = "z" x 75; 57*0Sstevel@tonic-gate$zap = "A" x 75; 58*0Sstevel@tonic-gate# & truncates 59*0Sstevel@tonic-gateis (($foo & $bar), ($Aaz x 75 )); 60*0Sstevel@tonic-gate# | does not truncate 61*0Sstevel@tonic-gateis (($foo | $bar), ($Aoz x 75 . $zap)); 62*0Sstevel@tonic-gate# ^ does not truncate 63*0Sstevel@tonic-gateis (($foo ^ $bar), ($Axz x 75 . $zap)); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate# 66*0Sstevel@tonic-gateis ("ok \xFF\xFF\n" & "ok 19\n", "ok 19\n"); 67*0Sstevel@tonic-gateis ("ok 20\n" | "ok \0\0\n", "ok 20\n"); 68*0Sstevel@tonic-gateis ("o\000 \0001\000" ^ "\000k\0002\000\n", "ok 21\n"); 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate# 71*0Sstevel@tonic-gateis ("ok \x{FF}\x{FF}\n" & "ok 22\n", "ok 22\n"); 72*0Sstevel@tonic-gateis ("ok 23\n" | "ok \x{0}\x{0}\n", "ok 23\n"); 73*0Sstevel@tonic-gateis ("o\x{0} \x{0}4\x{0}" ^ "\x{0}k\x{0}2\x{0}\n", "ok 24\n"); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate# 76*0Sstevel@tonic-gateis (sprintf("%vd", v4095 & v801), 801); 77*0Sstevel@tonic-gateis (sprintf("%vd", v4095 | v801), 4095); 78*0Sstevel@tonic-gateis (sprintf("%vd", v4095 ^ v801), 3294); 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate# 81*0Sstevel@tonic-gateis (sprintf("%vd", v4095.801.4095 & v801.4095), '801.801'); 82*0Sstevel@tonic-gateis (sprintf("%vd", v4095.801.4095 | v801.4095), '4095.4095.4095'); 83*0Sstevel@tonic-gateis (sprintf("%vd", v801.4095 ^ v4095.801.4095), '3294.3294.4095'); 84*0Sstevel@tonic-gate# 85*0Sstevel@tonic-gateis (sprintf("%vd", v120.300 & v200.400), '72.256'); 86*0Sstevel@tonic-gateis (sprintf("%vd", v120.300 | v200.400), '248.444'); 87*0Sstevel@tonic-gateis (sprintf("%vd", v120.300 ^ v200.400), '176.188'); 88*0Sstevel@tonic-gate# 89*0Sstevel@tonic-gatemy $a = v120.300; 90*0Sstevel@tonic-gatemy $b = v200.400; 91*0Sstevel@tonic-gate$a ^= $b; 92*0Sstevel@tonic-gateis (sprintf("%vd", $a), '176.188'); 93*0Sstevel@tonic-gatemy $a = v120.300; 94*0Sstevel@tonic-gatemy $b = v200.400; 95*0Sstevel@tonic-gate$a |= $b; 96*0Sstevel@tonic-gateis (sprintf("%vd", $a), '248.444'); 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate# 99*0Sstevel@tonic-gate# UTF8 ~ behaviour 100*0Sstevel@tonic-gate# 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gatemy $Is_EBCDIC = (ord('A') == 193) ? 1 : 0; 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gatemy @not36; 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gatefor (0x100...0xFFF) { 107*0Sstevel@tonic-gate $a = ~(chr $_); 108*0Sstevel@tonic-gate if ($Is_EBCDIC) { 109*0Sstevel@tonic-gate push @not36, sprintf("%#03X", $_) 110*0Sstevel@tonic-gate if $a ne chr(~$_) or length($a) != 1; 111*0Sstevel@tonic-gate } 112*0Sstevel@tonic-gate else { 113*0Sstevel@tonic-gate push @not36, sprintf("%#03X", $_) 114*0Sstevel@tonic-gate if $a ne chr(~$_) or length($a) != 1 or ~$a ne chr($_); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate} 117*0Sstevel@tonic-gateis (join (', ', @not36), ''); 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gatemy @not37; 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gatefor my $i (0xEEE...0xF00) { 122*0Sstevel@tonic-gate for my $j (0x0..0x120) { 123*0Sstevel@tonic-gate $a = ~(chr ($i) . chr $j); 124*0Sstevel@tonic-gate if ($Is_EBCDIC) { 125*0Sstevel@tonic-gate push @not37, sprintf("%#03X %#03X", $i, $j) 126*0Sstevel@tonic-gate if $a ne chr(~$i).chr(~$j) or 127*0Sstevel@tonic-gate length($a) != 2; 128*0Sstevel@tonic-gate } 129*0Sstevel@tonic-gate else { 130*0Sstevel@tonic-gate push @not37, sprintf("%#03X %#03X", $i, $j) 131*0Sstevel@tonic-gate if $a ne chr(~$i).chr(~$j) or 132*0Sstevel@tonic-gate length($a) != 2 or 133*0Sstevel@tonic-gate ~$a ne chr($i).chr($j); 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate} 137*0Sstevel@tonic-gateis (join (', ', @not37), ''); 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gateSKIP: { 140*0Sstevel@tonic-gate skip "EBCDIC" if $Is_EBCDIC; 141*0Sstevel@tonic-gate is (~chr(~0), "\0"); 142*0Sstevel@tonic-gate} 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gatemy @not39; 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gatefor my $i (0x100..0x120) { 148*0Sstevel@tonic-gate for my $j (0x100...0x120) { 149*0Sstevel@tonic-gate push @not39, sprintf("%#03X %#03X", $i, $j) 150*0Sstevel@tonic-gate if ~(chr($i)|chr($j)) ne (~chr($i)&~chr($j)); 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate} 153*0Sstevel@tonic-gateis (join (', ', @not39), ''); 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gatemy @not40; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gatefor my $i (0x100..0x120) { 158*0Sstevel@tonic-gate for my $j (0x100...0x120) { 159*0Sstevel@tonic-gate push @not40, sprintf("%#03X %#03X", $i, $j) 160*0Sstevel@tonic-gate if ~(chr($i)&chr($j)) ne (~chr($i)|~chr($j)); 161*0Sstevel@tonic-gate } 162*0Sstevel@tonic-gate} 163*0Sstevel@tonic-gateis (join (', ', @not40), ''); 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate# More variations on 19 and 22. 167*0Sstevel@tonic-gateis ("ok \xFF\x{FF}\n" & "ok 41\n", "ok 41\n"); 168*0Sstevel@tonic-gateis ("ok \x{FF}\xFF\n" & "ok 42\n", "ok 42\n"); 169*0Sstevel@tonic-gate 170*0Sstevel@tonic-gate# Tests to see if you really can do casts negative floats to unsigned properly 171*0Sstevel@tonic-gate$neg1 = -1.0; 172*0Sstevel@tonic-gateok (~ $neg1 == 0); 173*0Sstevel@tonic-gate$neg7 = -7.0; 174*0Sstevel@tonic-gateok (~ $neg7 == 6); 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate$a = "\0\x{100}"; chop($a); 178*0Sstevel@tonic-gateok(utf8::is_utf8($a)); # make sure UTF8 flag is still there 179*0Sstevel@tonic-gate$a = ~$a; 180*0Sstevel@tonic-gateis($a, "\xFF", "~ works with utf-8"); 181