| #!./perl |
| |
| # |
| # test the bit operators '&', '|', '^', '~', '<<', and '>>' |
| # |
| |
| BEGIN { |
| chdir 't' if -d 't'; |
| @INC = '../lib'; |
| require "./test.pl"; |
| require Config; |
| } |
| |
| # Tests don't have names yet. |
| # If you find tests are failing, please try adding names to tests to track |
| # down where the failure is, and supply your new names as a patch. |
| # (Just-in-time test naming) |
| plan tests => 174 + (10*13*2) + 5; |
| |
| # numerics |
| ok ((0xdead & 0xbeef) == 0x9ead); |
| ok ((0xdead | 0xbeef) == 0xfeef); |
| ok ((0xdead ^ 0xbeef) == 0x6042); |
| ok ((~0xdead & 0xbeef) == 0x2042); |
| |
| # shifts |
| ok ((257 << 7) == 32896); |
| ok ((33023 >> 7) == 257); |
| |
| # signed vs. unsigned |
| ok ((~0 > 0 && do { use integer; ~0 } == -1)); |
| |
| my $bits = 0; |
| for (my $i = ~0; $i; $i >>= 1) { ++$bits; } |
| my $cusp = 1 << ($bits - 1); |
| |
| |
| ok (($cusp & -1) > 0 && do { use integer; $cusp & -1 } < 0); |
| ok (($cusp | 1) > 0 && do { use integer; $cusp | 1 } < 0); |
| ok (($cusp ^ 1) > 0 && do { use integer; $cusp ^ 1 } < 0); |
| ok ((1 << ($bits - 1)) == $cusp && |
| do { use integer; 1 << ($bits - 1) } == -$cusp); |
| ok (($cusp >> 1) == ($cusp / 2) && |
| do { use integer; abs($cusp >> 1) } == ($cusp / 2)); |
| |
| $Aaz = chr(ord("A") & ord("z")); |
| $Aoz = chr(ord("A") | ord("z")); |
| $Axz = chr(ord("A") ^ ord("z")); |
| |
| # short strings |
| is (("AAAAA" & "zzzzz"), ($Aaz x 5)); |
| is (("AAAAA" | "zzzzz"), ($Aoz x 5)); |
| is (("AAAAA" ^ "zzzzz"), ($Axz x 5)); |
| |
| # long strings |
| $foo = "A" x 150; |
| $bar = "z" x 75; |
| $zap = "A" x 75; |
| # & truncates |
| is (($foo & $bar), ($Aaz x 75 )); |
| # | does not truncate |
| is (($foo | $bar), ($Aoz x 75 . $zap)); |
| # ^ does not truncate |
| is (($foo ^ $bar), ($Axz x 75 . $zap)); |
| |
| # string constants |
| sub _and($) { $_[0] & "+0" } |
| sub _oar($) { $_[0] | "+0" } |
| sub _xor($) { $_[0] ^ "+0" } |
| is _and "waf", '# ', 'str var & const str'; # These three |
| is _and 0, '0', 'num var & const str'; # are from |
| is _and "waf", '# ', 'str var & const str again'; # [perl #20661] |
| is _oar "yit", '{yt', 'str var | const str'; |
| is _oar 0, '0', 'num var | const str'; |
| is _oar "yit", '{yt', 'str var | const str again'; |
| is _xor "yit", 'RYt', 'str var ^ const str'; |
| is _xor 0, '0', 'num var ^ const str'; |
| is _xor "yit", 'RYt', 'str var ^ const str again'; |
| |
| # But don’t mistake a COW for a constant when assigning to it |
| %h=(150=>1); |
| $i=(keys %h)[0]; |
| $i |= 105; |
| is $i, 255, '[perl #108480] $cow |= number'; |
| $i=(keys %h)[0]; |
| $i &= 105; |
| is $i, 0, '[perl #108480] $cow &= number'; |
| $i=(keys %h)[0]; |
| $i ^= 105; |
| is $i, 255, '[perl #108480] $cow ^= number'; |
| |
| # |
| is ("ok \xFF\xFF\n" & "ok 19\n", "ok 19\n"); |
| is ("ok 20\n" | "ok \0\0\n", "ok 20\n"); |
| is ("o\000 \0001\000" ^ "\000k\0002\000\n", "ok 21\n"); |
| |
| # |
| is ("ok \x{FF}\x{FF}\n" & "ok 22\n", "ok 22\n"); |
| is ("ok 23\n" | "ok \x{0}\x{0}\n", "ok 23\n"); |
| is ("o\x{0} \x{0}4\x{0}" ^ "\x{0}k\x{0}2\x{0}\n", "ok 24\n"); |
| |
| # |
| is (sprintf("%vd", v4095 & v801), 801); |
| is (sprintf("%vd", v4095 | v801), 4095); |
| is (sprintf("%vd", v4095 ^ v801), 3294); |
| |
| # |
| is (sprintf("%vd", v4095.801.4095 & v801.4095), '801.801'); |
| is (sprintf("%vd", v4095.801.4095 | v801.4095), '4095.4095.4095'); |
| is (sprintf("%vd", v801.4095 ^ v4095.801.4095), '3294.3294.4095'); |
| # |
| is (sprintf("%vd", v120.300 & v200.400), '72.256'); |
| is (sprintf("%vd", v120.300 | v200.400), '248.444'); |
| is (sprintf("%vd", v120.300 ^ v200.400), '176.188'); |
| # |
| my $a = v120.300; |
| my $b = v200.400; |
| $a ^= $b; |
| is (sprintf("%vd", $a), '176.188'); |
| my $a = v120.300; |
| my $b = v200.400; |
| $a |= $b; |
| is (sprintf("%vd", $a), '248.444'); |
| |
| # |
| # UTF8 ~ behaviour |
| # |
| |
| my $Is_EBCDIC = (ord('A') == 193) ? 1 : 0; |
| |
| my @not36; |
| |
| for (0x100...0xFFF) { |
| $a = ~(chr $_); |
| if ($Is_EBCDIC) { |
| push @not36, sprintf("%#03X", $_) |
| if $a ne chr(~$_) or length($a) != 1; |
| } |
| else { |
| push @not36, sprintf("%#03X", $_) |
| if $a ne chr(~$_) or length($a) != 1 or ~$a ne chr($_); |
| } |
| } |
| is (join (', ', @not36), ''); |
| |
| my @not37; |
| |
| for my $i (0xEEE...0xF00) { |
| for my $j (0x0..0x120) { |
| $a = ~(chr ($i) . chr $j); |
| if ($Is_EBCDIC) { |
| push @not37, sprintf("%#03X %#03X", $i, $j) |
| if $a ne chr(~$i).chr(~$j) or |
| length($a) != 2; |
| } |
| else { |
| push @not37, sprintf("%#03X %#03X", $i, $j) |
| if $a ne chr(~$i).chr(~$j) or |
| length($a) != 2 or |
| ~$a ne chr($i).chr($j); |
| } |
| } |
| } |
| is (join (', ', @not37), ''); |
| |
| SKIP: { |
| skip "EBCDIC" if $Is_EBCDIC; |
| is (~chr(~0), "\0"); |
| } |
| |
| |
| my @not39; |
| |
| for my $i (0x100..0x120) { |
| for my $j (0x100...0x120) { |
| push @not39, sprintf("%#03X %#03X", $i, $j) |
| if ~(chr($i)|chr($j)) ne (~chr($i)&~chr($j)); |
| } |
| } |
| is (join (', ', @not39), ''); |
| |
| my @not40; |
| |
| for my $i (0x100..0x120) { |
| for my $j (0x100...0x120) { |
| push @not40, sprintf("%#03X %#03X", $i, $j) |
| if ~(chr($i)&chr($j)) ne (~chr($i)|~chr($j)); |
| } |
| } |
| is (join (', ', @not40), ''); |
| |
| |
| # More variations on 19 and 22. |
| is ("ok \xFF\x{FF}\n" & "ok 41\n", "ok 41\n"); |
| is ("ok \x{FF}\xFF\n" & "ok 42\n", "ok 42\n"); |
| |
| # Tests to see if you really can do casts negative floats to unsigned properly |
| $neg1 = -1.0; |
| ok (~ $neg1 == 0); |
| $neg7 = -7.0; |
| ok (~ $neg7 == 6); |
| |
| |
| # double magic tests |
| |
| sub TIESCALAR { bless { value => $_[1], orig => $_[1] } } |
| sub STORE { $_[0]{store}++; $_[0]{value} = $_[1] } |
| sub FETCH { $_[0]{fetch}++; $_[0]{value} } |
| sub stores { tied($_[0])->{value} = tied($_[0])->{orig}; |
| delete(tied($_[0])->{store}) || 0 } |
| sub fetches { delete(tied($_[0])->{fetch}) || 0 } |
| |
| # numeric double magic tests |
| |
| tie $x, "main", 1; |
| tie $y, "main", 3; |
| |
| is(($x | $y), 3); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x & $y), 1); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x ^ $y), 2); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x |= $y), 3); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x &= $y), 1); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x ^= $y), 2); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(~~$y, 3); |
| is(fetches($y), 1); |
| is(stores($y), 0); |
| |
| { use integer; |
| |
| is(($x | $y), 3); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x & $y), 1); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x ^ $y), 2); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x |= $y), 3); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x &= $y), 1); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x ^= $y), 2); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(~$y, -4); |
| is(fetches($y), 1); |
| is(stores($y), 0); |
| |
| } # end of use integer; |
| |
| # stringwise double magic tests |
| |
| tie $x, "main", "a"; |
| tie $y, "main", "c"; |
| |
| is(($x | $y), ("a" | "c")); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x & $y), ("a" & "c")); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x ^ $y), ("a" ^ "c")); |
| is(fetches($x), 1); |
| is(fetches($y), 1); |
| is(stores($x), 0); |
| is(stores($y), 0); |
| |
| is(($x |= $y), ("a" | "c")); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x &= $y), ("a" & "c")); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(($x ^= $y), ("a" ^ "c")); |
| is(fetches($x), 2); |
| is(fetches($y), 1); |
| is(stores($x), 1); |
| is(stores($y), 0); |
| |
| is(~~$y, "c"); |
| is(fetches($y), 1); |
| is(stores($y), 0); |
| |
| $a = "\0\x{100}"; chop($a); |
| ok(utf8::is_utf8($a)); # make sure UTF8 flag is still there |
| $a = ~$a; |
| is($a, "\xFF", "~ works with utf-8"); |
| |
| # [rt.perl.org 33003] |
| # This would cause a segfault without malloc wrap |
| SKIP: { |
| skip "No malloc wrap checks" unless $Config::Config{usemallocwrap}; |
| like( runperl(prog => 'eval q($#a>>=1); print 1'), "^1\n?" ); |
| } |
| |
| # [perl #37616] Bug in &= (string) and/or m// |
| { |
| $a = "aa"; |
| $a &= "a"; |
| ok($a =~ /a+$/, 'ASCII "a" is NUL-terminated'); |
| |
| $b = "bb\x{100}"; |
| $b &= "b"; |
| ok($b =~ /b+$/, 'Unicode "b" is NUL-terminated'); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $c = $a | $b; |
| is($c, chr(0x1FF) x 0xFF . chr(0x101) x 2); |
| |
| $c = $b | $a; |
| is($c, chr(0x1FF) x 0xFF . chr(0x101) x 2); |
| |
| $c = $a & $b; |
| is($c, chr(0x001) x 0x0FF); |
| |
| $c = $b & $a; |
| is($c, chr(0x001) x 0x0FF); |
| |
| $c = $a ^ $b; |
| is($c, chr(0x1FE) x 0x0FF . chr(0x101) x 2); |
| |
| $c = $b ^ $a; |
| is($c, chr(0x1FE) x 0x0FF . chr(0x101) x 2); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $a |= $b; |
| is($a, chr(0x1FF) x 0xFF . chr(0x101) x 2); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $b |= $a; |
| is($b, chr(0x1FF) x 0xFF . chr(0x101) x 2); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $a &= $b; |
| is($a, chr(0x001) x 0x0FF); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $b &= $a; |
| is($b, chr(0x001) x 0x0FF); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $a ^= $b; |
| is($a, chr(0x1FE) x 0x0FF . chr(0x101) x 2); |
| } |
| |
| { |
| $a = chr(0x101) x 0x101; |
| $b = chr(0x0FF) x 0x0FF; |
| |
| $b ^= $a; |
| is($b, chr(0x1FE) x 0x0FF . chr(0x101) x 2); |
| } |
| |
| # update to pp_complement() via Coverity |
| SKIP: { |
| # UTF-EBCDIC is limited to 0x7fffffff and can't encode ~0. |
| skip "EBCDIC" if $Is_EBCDIC; |
| |
| my $str = "\x{10000}\x{800}"; |
| # U+10000 is four bytes in UTF-8/UTF-EBCDIC. |
| # U+0800 is three bytes in UTF-8/UTF-EBCDIC. |
| |
| no warnings "utf8"; |
| { use bytes; $str =~ s/\C\C\z//; } |
| |
| # it's really bogus that (~~malformed) is \0. |
| my $ref = "\x{10000}\0"; |
| is(~~$str, $ref); |
| |
| # same test, but this time with a longer replacement string that |
| # exercises a different branch in pp_subsr() |
| |
| $str = "\x{10000}\x{800}"; |
| { use bytes; $str =~ s/\C\C\z/\0\0\0/; } |
| |
| # it's also bogus that (~~malformed) is \0\0\0\0. |
| my $ref = "\x{10000}\0\0\0\0"; |
| is(~~$str, $ref, "use bytes with long replacement"); |
| } |
| |
| # ref tests |
| |
| my %res; |
| |
| for my $str ("x", "\x{100}") { |
| for my $chr (qw/S A H G X ( * F/) { |
| for my $op (qw/| & ^/) { |
| my $co = ord $chr; |
| my $so = ord $str; |
| $res{"$chr$op$str"} = eval qq/chr($co $op $so)/; |
| } |
| } |
| $res{"undef|$str"} = $str; |
| $res{"undef&$str"} = ""; |
| $res{"undef^$str"} = $str; |
| } |
| |
| sub PVBM () { "X" } |
| index "foo", PVBM; |
| |
| my $warn = 0; |
| local $^W = 1; |
| local $SIG{__WARN__} = sub { $warn++ }; |
| |
| sub is_first { |
| my ($got, $orig, $op, $str, $name) = @_; |
| is(substr($got, 0, 1), $res{"$orig$op$str"}, $name); |
| } |
| |
| for ( |
| # [object to test, first char of stringification, name] |
| [undef, "undef", "undef" ], |
| [\1, "S", "scalar ref" ], |
| [[], "A", "array ref" ], |
| [{}, "H", "hash ref" ], |
| [qr/x/, "(", "qr//" ], |
| [*foo, "*", "glob" ], |
| [\*foo, "G", "glob ref" ], |
| [PVBM, "X", "PVBM" ], |
| [\PVBM, "S", "PVBM ref" ], |
| [bless([], "Foo"), "F", "object" ], |
| ) { |
| my ($val, $orig, $type) = @$_; |
| |
| for (["x", "string"], ["\x{100}", "utf8"]) { |
| my ($str, $desc) = @$_; |
| |
| $warn = 0; |
| |
| is_first($val | $str, $orig, "|", $str, "$type | $desc"); |
| is_first($val & $str, $orig, "&", $str, "$type & $desc"); |
| is_first($val ^ $str, $orig, "^", $str, "$type ^ $desc"); |
| |
| is_first($str | $val, $orig, "|", $str, "$desc | $type"); |
| is_first($str & $val, $orig, "&", $str, "$desc & $type"); |
| is_first($str ^ $val, $orig, "^", $str, "$desc ^ $type"); |
| |
| my $new; |
| ($new = $val) |= $str; |
| is_first($new, $orig, "|", $str, "$type |= $desc"); |
| ($new = $val) &= $str; |
| is_first($new, $orig, "&", $str, "$type &= $desc"); |
| ($new = $val) ^= $str; |
| is_first($new, $orig, "^", $str, "$type ^= $desc"); |
| |
| ($new = $str) |= $val; |
| is_first($new, $orig, "|", $str, "$desc |= $type"); |
| ($new = $str) &= $val; |
| is_first($new, $orig, "&", $str, "$desc &= $type"); |
| ($new = $str) ^= $val; |
| is_first($new, $orig, "^", $str, "$desc ^= $type"); |
| |
| if ($orig eq "undef") { |
| # undef |= and undef ^= don't warn |
| is($warn, 10, "no duplicate warnings"); |
| } |
| else { |
| is($warn, 0, "no warnings"); |
| } |
| } |
| } |
| |
| my $strval; |
| |
| { |
| package Bar; |
| use overload q/""/ => sub { $strval }; |
| |
| package Baz; |
| use overload q/|/ => sub { "y" }; |
| } |
| |
| ok(!eval { bless([], "Bar") | "x"; 1 }, "string overload can't use |"); |
| like($@, qr/no method found/, "correct error"); |
| is(eval { bless([], "Baz") | "x" }, "y", "| overload works"); |
| |
| my $obj = bless [], "Bar"; |
| $strval = "x"; |
| eval { $obj |= "Q" }; |
| $strval = "z"; |
| is("$obj", "z", "|= doesn't break string overload"); |
| |
| # [perl #29070] |
| $^A .= new version ~$_ for "\xce", v205, "\xcc"; |
| is $^A, "123", '~v0 clears vstring magic on retval'; |
