diff options
Diffstat (limited to 't/op/bop.t')
| -rwxr-xr-x | t/op/bop.t | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/t/op/bop.t b/t/op/bop.t index 8ebf8d3eeb..7cf200ff25 100755 --- a/t/op/bop.t +++ b/t/op/bop.t @@ -1,24 +1,44 @@ #!./perl # -# test the bit operators '&', '|' and '^' +# test the bit operators '&', '|', '^', '~', '<<', and '>>' # -print "1..9\n"; +print "1..18\n"; # numerics print ((0xdead & 0xbeef) == 0x9ead ? "ok 1\n" : "not ok 1\n"); print ((0xdead | 0xbeef) == 0xfeef ? "ok 2\n" : "not ok 2\n"); print ((0xdead ^ 0xbeef) == 0x6042 ? "ok 3\n" : "not ok 3\n"); +print ((~0xdead & 0xbeef) == 0x2042 ? "ok 4\n" : "not ok 4\n"); + +# shifts +print ((257 << 7) == 32896 ? "ok 5\n" : "not ok 5\n"); +print ((33023 >> 7) == 257 ? "ok 6\n" : "not ok 6\n"); + +# signed vs. unsigned +print ((~0 > 0 && do { use integer; ~0 } == -1) + ? "ok 7\n" : "not ok 7\n"); +print (((2147483648 & -1) > 0 && do { use integer; 2147483648 & -1 } < 0) + ? "ok 8\n" : "not ok 8\n"); +print (((2147483648 | 1) > 0 && do { use integer; 2147483648 | 1 } < 0) + ? "ok 9\n" : "not ok 9\n"); +print (((2147483648 ^ 1) > 0 && do { use integer; 2147483648 ^ 1 } < 0) + ? "ok 10\n" : "not ok 10\n"); +print (((1 << 31) == 2147483648 && do { use integer; 1 << 31 } == -2147483648) + ? "ok 11\n" : "not ok 11\n"); +print (((2147483648 >> 1) == 1073741824 && + do { use integer; 2147483648 >> 1 } == -1073741824) + ? "ok 12\n" : "not ok 12\n"); # short strings -print (("AAAAA" & "zzzzz") eq '@@@@@' ? "ok 4\n" : "not ok 4\n"); -print (("AAAAA" | "zzzzz") eq '{{{{{' ? "ok 5\n" : "not ok 5\n"); -print (("AAAAA" ^ "zzzzz") eq ';;;;;' ? "ok 6\n" : "not ok 6\n"); +print (("AAAAA" & "zzzzz") eq '@@@@@' ? "ok 13\n" : "not ok 13\n"); +print (("AAAAA" | "zzzzz") eq '{{{{{' ? "ok 14\n" : "not ok 14\n"); +print (("AAAAA" ^ "zzzzz") eq ';;;;;' ? "ok 15\n" : "not ok 15\n"); # long strings $foo = "A" x 150; $bar = "z" x 75; -print (($foo & $bar) eq ('@'x75 ) ? "ok 7\n" : "not ok 7\n"); -print (($foo | $bar) eq ('{'x75 . 'A'x75) ? "ok 8\n" : "not ok 8\n"); -print (($foo ^ $bar) eq (';'x75 . 'A'x75) ? "ok 9\n" : "not ok 9\n"); +print (($foo & $bar) eq ('@'x75 ) ? "ok 16\n" : "not ok 16\n"); +print (($foo | $bar) eq ('{'x75 . 'A'x75) ? "ok 17\n" : "not ok 17\n"); +print (($foo ^ $bar) eq (';'x75 . 'A'x75) ? "ok 18\n" : "not ok 18\n"); |