Commit | Line | Data |
ddb9d9dc |
1 | #!./perl |
2 | |
3 | # |
55497cff |
4 | # test the bit operators '&', '|', '^', '~', '<<', and '>>' |
ddb9d9dc |
5 | # |
6 | |
d1f8c7a4 |
7 | BEGIN { |
8 | chdir 't' if -d 't'; |
20822f61 |
9 | @INC = '../lib'; |
d1f8c7a4 |
10 | } |
11 | |
66a74c25 |
12 | print "1..44\n"; |
ddb9d9dc |
13 | |
14 | # numerics |
15 | print ((0xdead & 0xbeef) == 0x9ead ? "ok 1\n" : "not ok 1\n"); |
16 | print ((0xdead | 0xbeef) == 0xfeef ? "ok 2\n" : "not ok 2\n"); |
17 | print ((0xdead ^ 0xbeef) == 0x6042 ? "ok 3\n" : "not ok 3\n"); |
55497cff |
18 | print ((~0xdead & 0xbeef) == 0x2042 ? "ok 4\n" : "not ok 4\n"); |
19 | |
20 | # shifts |
21 | print ((257 << 7) == 32896 ? "ok 5\n" : "not ok 5\n"); |
22 | print ((33023 >> 7) == 257 ? "ok 6\n" : "not ok 6\n"); |
23 | |
24 | # signed vs. unsigned |
25 | print ((~0 > 0 && do { use integer; ~0 } == -1) |
26 | ? "ok 7\n" : "not ok 7\n"); |
d1f8c7a4 |
27 | |
28 | my $bits = 0; |
29 | for (my $i = ~0; $i; $i >>= 1) { ++$bits; } |
30 | my $cusp = 1 << ($bits - 1); |
31 | |
32 | print ((($cusp & -1) > 0 && do { use integer; $cusp & -1 } < 0) |
55497cff |
33 | ? "ok 8\n" : "not ok 8\n"); |
d1f8c7a4 |
34 | print ((($cusp | 1) > 0 && do { use integer; $cusp | 1 } < 0) |
55497cff |
35 | ? "ok 9\n" : "not ok 9\n"); |
d1f8c7a4 |
36 | print ((($cusp ^ 1) > 0 && do { use integer; $cusp ^ 1 } < 0) |
55497cff |
37 | ? "ok 10\n" : "not ok 10\n"); |
d1f8c7a4 |
38 | print (((1 << ($bits - 1)) == $cusp && |
39 | do { use integer; 1 << ($bits - 1) } == -$cusp) |
55497cff |
40 | ? "ok 11\n" : "not ok 11\n"); |
d1f8c7a4 |
41 | print ((($cusp >> 1) == ($cusp / 2) && |
85e0ebd8 |
42 | do { use integer; abs($cusp >> 1) } == ($cusp / 2)) |
55497cff |
43 | ? "ok 12\n" : "not ok 12\n"); |
ddb9d9dc |
44 | |
9d116dd7 |
45 | $Aaz = chr(ord("A") & ord("z")); |
46 | $Aoz = chr(ord("A") | ord("z")); |
47 | $Axz = chr(ord("A") ^ ord("z")); |
48 | |
ddb9d9dc |
49 | # short strings |
9d116dd7 |
50 | print (("AAAAA" & "zzzzz") eq ($Aaz x 5) ? "ok 13\n" : "not ok 13\n"); |
51 | print (("AAAAA" | "zzzzz") eq ($Aoz x 5) ? "ok 14\n" : "not ok 14\n"); |
52 | print (("AAAAA" ^ "zzzzz") eq ($Axz x 5) ? "ok 15\n" : "not ok 15\n"); |
ddb9d9dc |
53 | |
54 | # long strings |
55 | $foo = "A" x 150; |
56 | $bar = "z" x 75; |
9d116dd7 |
57 | $zap = "A" x 75; |
58 | # & truncates |
59 | print (($foo & $bar) eq ($Aaz x 75 ) ? "ok 16\n" : "not ok 16\n"); |
60 | # | does not truncate |
61 | print (($foo | $bar) eq ($Aoz x 75 . $zap) ? "ok 17\n" : "not ok 17\n"); |
62 | # ^ does not truncate |
63 | print (($foo ^ $bar) eq ($Axz x 75 . $zap) ? "ok 18\n" : "not ok 18\n"); |
64 | |
0c57e439 |
65 | # |
66 | print "ok \xFF\xFF\n" & "ok 19\n"; |
67 | print "ok 20\n" | "ok \0\0\n"; |
68 | print "o\000 \0001\000" ^ "\000k\0002\000\n"; |
69 | |
70 | # |
71 | print "ok \x{FF}\x{FF}\n" & "ok 22\n"; |
72 | print "ok 23\n" | "ok \x{0}\x{0}\n"; |
73 | print "o\x{0} \x{0}4\x{0}" ^ "\x{0}k\x{0}2\x{0}\n"; |
74 | |
75 | # |
76 | print "ok 25\n" if sprintf("%vd", v4095 & v801) eq 801; |
77 | print "ok 26\n" if sprintf("%vd", v4095 | v801) eq 4095; |
78 | print "ok 27\n" if sprintf("%vd", v4095 ^ v801) eq 3294; |
79 | |
80 | # |
81 | print "ok 28\n" if sprintf("%vd", v4095.801.4095 & v801.4095) eq '801.801'; |
82 | print "ok 29\n" if sprintf("%vd", v4095.801.4095 | v801.4095) eq '4095.4095.4095'; |
83 | print "ok 30\n" if sprintf("%vd", v801.4095 ^ v4095.801.4095) eq '3294.3294.4095'; |
2a4ebaa6 |
84 | # |
1d68d6cd |
85 | print "ok 31\n" if sprintf("%vd", v120.300 & v200.400) eq '72.256'; |
86 | print "ok 32\n" if sprintf("%vd", v120.300 | v200.400) eq '248.444'; |
87 | print "ok 33\n" if sprintf("%vd", v120.300 ^ v200.400) eq '176.188'; |
2a4ebaa6 |
88 | # |
89 | my $a = v120.300; |
90 | my $b = v200.400; |
91 | $a ^= $b; |
92 | print "ok 34\n" if sprintf("%vd", $a) eq '176.188'; |
93 | my $a = v120.300; |
94 | my $b = v200.400; |
95 | $a |= $b; |
96 | print "ok 35\n" if sprintf("%vd", $a) eq '248.444'; |
3da1940a |
97 | |
1d68d6cd |
98 | # |
99 | # UTF8 ~ behaviour |
3da1940a |
100 | # |
101 | |
210db7fc |
102 | my $Is_EBCDIC = (ord('A') == 193) ? 1 : 0; |
103 | |
3da1940a |
104 | my @not36; |
105 | |
f0da931d |
106 | for (0x100...0xFFF) { |
1d68d6cd |
107 | $a = ~(chr $_); |
210db7fc |
108 | if ($Is_EBCDIC) { |
109 | push @not36, sprintf("%#03X", $_) |
110 | if $a ne chr(~$_) or length($a) != 1; |
111 | } |
112 | else { |
113 | push @not36, sprintf("%#03X", $_) |
114 | if $a ne chr(~$_) or length($a) != 1 or ~$a ne chr($_); |
115 | } |
3da1940a |
116 | } |
117 | if (@not36) { |
a1ca4561 |
118 | print "# test 36 failed\n"; |
3da1940a |
119 | print "not "; |
1d68d6cd |
120 | } |
121 | print "ok 36\n"; |
122 | |
3da1940a |
123 | my @not37; |
124 | |
1d68d6cd |
125 | for my $i (0xEEE...0xF00) { |
126 | for my $j (0x0..0x120) { |
127 | $a = ~(chr ($i) . chr $j); |
210db7fc |
128 | if ($Is_EBCDIC) { |
129 | push @not37, sprintf("%#03X %#03X", $i, $j) |
130 | if $a ne chr(~$i).chr(~$j) or |
131 | length($a) != 2; |
132 | } |
133 | else { |
134 | push @not37, sprintf("%#03X %#03X", $i, $j) |
135 | if $a ne chr(~$i).chr(~$j) or |
136 | length($a) != 2 or |
137 | ~$a ne chr($i).chr($j); |
138 | } |
1d68d6cd |
139 | } |
140 | } |
3da1940a |
141 | if (@not37) { |
a1ca4561 |
142 | print "# test 37 failed\n"; |
3da1940a |
143 | print "not "; |
144 | } |
1d68d6cd |
145 | print "ok 37\n"; |
f0da931d |
146 | |
210db7fc |
147 | print "not " unless ~chr(~0) eq "\0" or $Is_EBCDIC; |
f0da931d |
148 | print "ok 38\n"; |
a1ca4561 |
149 | |
150 | my @not39; |
151 | |
152 | for my $i (0x100..0x120) { |
153 | for my $j (0x100...0x120) { |
154 | push @not39, sprintf("%#03X %#03X", $i, $j) |
155 | if ~(chr($i)|chr($j)) ne (~chr($i)&~chr($j)); |
156 | } |
157 | } |
158 | if (@not39) { |
159 | print "# test 39 failed\n"; |
160 | print "not "; |
161 | } |
162 | print "ok 39\n"; |
163 | |
164 | my @not40; |
165 | |
166 | for my $i (0x100..0x120) { |
167 | for my $j (0x100...0x120) { |
168 | push @not40, sprintf("%#03X %#03X", $i, $j) |
169 | if ~(chr($i)&chr($j)) ne (~chr($i)|~chr($j)); |
170 | } |
171 | } |
172 | if (@not40) { |
173 | print "# test 40 failed\n"; |
174 | print "not "; |
175 | } |
176 | print "ok 40\n"; |
299b089d |
177 | |
178 | # More variations on 19 and 22. |
179 | print "ok \xFF\x{FF}\n" & "ok 41\n"; |
180 | print "ok \x{FF}\xFF\n" & "ok 42\n"; |
66a74c25 |
181 | |
182 | # Tests to see if you really can do casts negative floats to unsigned properly |
183 | $neg1 = -1.0; |
184 | print ((~ $neg1 == 0) ? "ok 43\n" : "not ok 43\n"); |
185 | $neg7 = -7.0; |
186 | print ((~ $neg7 == 6) ? "ok 44\n" : "not ok 44\n"); |