1#!./perl 2 3# 4# test the bit operators '&', '|', '^', '~', '<<', and '>>' 5# 6 7use warnings; 8 9BEGIN { 10 chdir 't' if -d 't'; 11 require "./test.pl"; 12 set_up_inc('../lib'); 13 require "./charset_tools.pl"; 14 require Config; 15} 16 17# Tests don't have names yet. 18# If you find tests are failing, please try adding names to tests to track 19# down where the failure is, and supply your new names as a patch. 20# (Just-in-time test naming) 21plan tests => 504; 22 23# numerics 24ok ((0xdead & 0xbeef) == 0x9ead); 25ok ((0xdead | 0xbeef) == 0xfeef); 26ok ((0xdead ^ 0xbeef) == 0x6042); 27ok ((~0xdead & 0xbeef) == 0x2042); 28 29# shifts 30ok ((257 << 7) == 32896); 31ok ((33023 >> 7) == 257); 32 33# signed vs. unsigned 34ok ((~0 > 0 && do { use integer; ~0 } == -1)); 35 36my $bits = 0; 37for (my $i = ~0; $i; $i >>= 1) { ++$bits; } 38my $cusp = 1 << ($bits - 1); 39 40 41ok (($cusp & -1) > 0 && do { use integer; $cusp & -1 } < 0); 42ok (($cusp | 1) > 0 && do { use integer; $cusp | 1 } < 0); 43ok (($cusp ^ 1) > 0 && do { use integer; $cusp ^ 1 } < 0); 44ok ((1 << ($bits - 1)) == $cusp && 45 do { use integer; 1 << ($bits - 1) } == -$cusp); 46ok (($cusp >> 1) == ($cusp / 2) && 47 do { use integer; abs($cusp >> 1) } == ($cusp / 2)); 48 49$Aaz = chr(ord("A") & ord("z")); 50$Aoz = chr(ord("A") | ord("z")); 51$Axz = chr(ord("A") ^ ord("z")); 52 53# short strings 54is (("AAAAA" & "zzzzz"), ($Aaz x 5)); 55is (("AAAAA" | "zzzzz"), ($Aoz x 5)); 56is (("AAAAA" ^ "zzzzz"), ($Axz x 5)); 57 58# long strings 59$foo = "A" x 150; 60$bar = "z" x 75; 61$zap = "A" x 75; 62# & truncates 63is (($foo & $bar), ($Aaz x 75 )); 64# | does not truncate 65is (($foo | $bar), ($Aoz x 75 . $zap)); 66# ^ does not truncate 67is (($foo ^ $bar), ($Axz x 75 . $zap)); 68 69# string constants. These tests expect the bit patterns of these strings in 70# ASCII, so convert to that. 71sub _and($) { $_[0] & native_to_uni("+0") } 72sub _oar($) { $_[0] | native_to_uni("+0") } 73sub _xor($) { $_[0] ^ native_to_uni("+0") } 74is _and native_to_uni("waf"), native_to_uni('# '), 'str var & const str'; # [perl #20661] 75is _and native_to_uni("waf"), native_to_uni('# '), 'str var & const str again'; # [perl #20661] 76is _oar native_to_uni("yit"), native_to_uni('{yt'), 'str var | const str'; 77is _oar native_to_uni("yit"), native_to_uni('{yt'), 'str var | const str again'; 78is _xor native_to_uni("yit"), native_to_uni('RYt'), 'str var ^ const str'; 79is _xor native_to_uni("yit"), native_to_uni('RYt'), 'str var ^ const str again'; 80 81SKIP: { 82 skip "Converting a numeric doesn't work with EBCDIC unlike the above tests", 83 3 if $::IS_EBCDIC; 84 is _and 0, '0', 'num var & const str'; # [perl #20661] 85 is _oar 0, '0', 'num var | const str'; 86 is _xor 0, '0', 'num var ^ const str'; 87} 88 89# But don’t mistake a COW for a constant when assigning to it 90%h=(150=>1); 91$i=(keys %h)[0]; 92$i |= 105; 93is $i, 255, '[perl #108480] $cow |= number'; 94$i=(keys %h)[0]; 95$i &= 105; 96is $i, 0, '[perl #108480] $cow &= number'; 97$i=(keys %h)[0]; 98$i ^= 105; 99is $i, 255, '[perl #108480] $cow ^= number'; 100 101# 102is ("ok \xFF\xFF\n" & "ok 19\n", "ok 19\n"); 103is ("ok 20\n" | "ok \0\0\n", "ok 20\n"); 104is ("o\000 \0001\000" ^ "\000k\0002\000\n", "ok 21\n"); 105 106# 107is ("ok \x{FF}\x{FF}\n" & "ok 22\n", "ok 22\n"); 108is ("ok 23\n" | "ok \x{0}\x{0}\n", "ok 23\n"); 109is ("o\x{0} \x{0}4\x{0}" ^ "\x{0}k\x{0}2\x{0}\n", "ok 24\n"); 110 111# More variations on 19 and 22. 112is ("ok \xFF\x{FF}\n" & "ok 41\n", "ok 41\n"); 113is ("ok \x{FF}\xFF\n" & "ok 42\n", "ok 42\n"); 114 115# Tests to see if you really can do casts negative floats to unsigned properly 116$neg1 = -1.0; 117ok (~ $neg1 == 0); 118$neg7 = -7.0; 119ok (~ $neg7 == 6); 120 121 122# double magic tests 123 124sub TIESCALAR { bless { value => $_[1], orig => $_[1] } } 125sub STORE { $_[0]{store}++; $_[0]{value} = $_[1] } 126sub FETCH { $_[0]{fetch}++; $_[0]{value} } 127sub stores { tied($_[0])->{value} = tied($_[0])->{orig}; 128 delete(tied($_[0])->{store}) || 0 } 129sub fetches { delete(tied($_[0])->{fetch}) || 0 } 130 131# numeric double magic tests 132 133tie $x, "main", 1; 134tie $y, "main", 3; 135 136is(($x | $y), 3); 137is(fetches($x), 1); 138is(fetches($y), 1); 139is(stores($x), 0); 140is(stores($y), 0); 141 142is(($x & $y), 1); 143is(fetches($x), 1); 144is(fetches($y), 1); 145is(stores($x), 0); 146is(stores($y), 0); 147 148is(($x ^ $y), 2); 149is(fetches($x), 1); 150is(fetches($y), 1); 151is(stores($x), 0); 152is(stores($y), 0); 153 154is(($x |= $y), 3); 155is(fetches($x), 2); 156is(fetches($y), 1); 157is(stores($x), 1); 158is(stores($y), 0); 159 160is(($x &= $y), 1); 161is(fetches($x), 2); 162is(fetches($y), 1); 163is(stores($x), 1); 164is(stores($y), 0); 165 166is(($x ^= $y), 2); 167is(fetches($x), 2); 168is(fetches($y), 1); 169is(stores($x), 1); 170is(stores($y), 0); 171 172is(~~$y, 3); 173is(fetches($y), 1); 174is(stores($y), 0); 175 176{ use integer; 177 178is(($x | $y), 3); 179is(fetches($x), 1); 180is(fetches($y), 1); 181is(stores($x), 0); 182is(stores($y), 0); 183 184is(($x & $y), 1); 185is(fetches($x), 1); 186is(fetches($y), 1); 187is(stores($x), 0); 188is(stores($y), 0); 189 190is(($x ^ $y), 2); 191is(fetches($x), 1); 192is(fetches($y), 1); 193is(stores($x), 0); 194is(stores($y), 0); 195 196is(($x |= $y), 3); 197is(fetches($x), 2); 198is(fetches($y), 1); 199is(stores($x), 1); 200is(stores($y), 0); 201 202is(($x &= $y), 1); 203is(fetches($x), 2); 204is(fetches($y), 1); 205is(stores($x), 1); 206is(stores($y), 0); 207 208is(($x ^= $y), 2); 209is(fetches($x), 2); 210is(fetches($y), 1); 211is(stores($x), 1); 212is(stores($y), 0); 213 214is(~$y, -4); 215is(fetches($y), 1); 216is(stores($y), 0); 217 218} # end of use integer; 219 220# stringwise double magic tests 221 222tie $x, "main", "a"; 223tie $y, "main", "c"; 224 225is(($x | $y), ("a" | "c")); 226is(fetches($x), 1); 227is(fetches($y), 1); 228is(stores($x), 0); 229is(stores($y), 0); 230 231is(($x & $y), ("a" & "c")); 232is(fetches($x), 1); 233is(fetches($y), 1); 234is(stores($x), 0); 235is(stores($y), 0); 236 237is(($x ^ $y), ("a" ^ "c")); 238is(fetches($x), 1); 239is(fetches($y), 1); 240is(stores($x), 0); 241is(stores($y), 0); 242 243is(($x |= $y), ("a" | "c")); 244is(fetches($x), 2); 245is(fetches($y), 1); 246is(stores($x), 1); 247is(stores($y), 0); 248 249is(($x &= $y), ("a" & "c")); 250is(fetches($x), 2); 251is(fetches($y), 1); 252is(stores($x), 1); 253is(stores($y), 0); 254 255is(($x ^= $y), ("a" ^ "c")); 256is(fetches($x), 2); 257is(fetches($y), 1); 258is(stores($x), 1); 259is(stores($y), 0); 260 261is(~~$y, "c"); 262is(fetches($y), 1); 263is(stores($y), 0); 264 265$a = "\0\x{100}"; chop($a); 266ok(utf8::is_utf8($a)); # make sure UTF8 flag is still there 267$a = ~$a; 268is($a, "\xFF", "~ works with utf-8"); 269ok(! utf8::is_utf8($a), " and turns off the UTF-8 flag"); 270 271$a = "\0\x{100}"; chop($a); 272undef $b; 273$b = $a | "\xFF"; 274ok(utf8::is_utf8($b), "Verify UTF-8 | non-UTF-8 retains UTF-8 flag"); 275undef $b; 276$b = "\xFF" | $a; 277ok(utf8::is_utf8($b), "Verify non-UTF-8 | UTF-8 retains UTF-8 flag"); 278undef $b; 279$b = $a & "\xFF"; 280ok(utf8::is_utf8($b), "Verify UTF-8 & non-UTF-8 retains UTF-8 flag"); 281undef $b; 282$b = "\xFF" & $a; 283ok(utf8::is_utf8($b), "Verify non-UTF-8 & UTF-8 retains UTF-8 flag"); 284undef $b; 285$b = $a ^ "\xFF"; 286ok(utf8::is_utf8($b), "Verify UTF-8 ^ non-UTF-8 retains UTF-8 flag"); 287undef $b; 288$b = "\xFF" ^ $a; 289ok(utf8::is_utf8($b), "Verify non-UTF-8 ^ UTF-8 retains UTF-8 flag"); 290 291 292# [rt.perl.org 33003] 293# This would cause a segfault without malloc wrap 294SKIP: { 295 skip "No malloc wrap checks" unless $Config::Config{usemallocwrap}; 296 like( runperl(prog => 'eval q($#a>>=1); print 1'), qr/^1\n?/ ); 297} 298 299# [perl #37616] Bug in &= (string) and/or m// 300{ 301 $a = "aa"; 302 $a &= "a"; 303 ok($a =~ /a+$/, 'ASCII "a" is NUL-terminated'); 304 305 $b = "bb\x{FF}"; 306 utf8::upgrade($b); 307 $b &= "b"; 308 ok($b =~ /b+$/, 'Unicode "b" is NUL-terminated'); 309} 310 311# New string- and number-specific bitwise ops 312{ 313 use feature "bitwise"; 314 no warnings "experimental::bitwise"; 315 is "22" & "66", 2, 'numeric & with strings'; 316 is "22" | "66", 86, 'numeric | with strings'; 317 is "22" ^ "66", 84, 'numeric ^ with strings'; 318 is ~"22" & 0xff, 233, 'numeric ~ with string'; 319 is 22 &. 66, 22, '&. with numbers'; 320 is 22 |. 66, 66, '|. with numbers'; 321 is 22 ^. 66, "\4\4", '^. with numbers'; 322 if ($::IS_EBCDIC) { 323 # ord('2') is 0xF2 on EBCDIC 324 is ~.22, "\x0d\x0d", '~. with number'; 325 } 326 else { 327 # ord('2') is 0x32 on ASCII 328 is ~.22, "\xcd\xcd", '~. with number'; 329 } 330 $_ = "22"; 331 is $_ &= "66", 2, 'numeric &= with strings'; 332 $_ = "22"; 333 is $_ |= "66", 86, 'numeric |= with strings'; 334 $_ = "22"; 335 is $_ ^= "66", 84, 'numeric ^= with strings'; 336 $_ = 22; 337 is $_ &.= 66, 22, '&.= with numbers'; 338 $_ = 22; 339 is $_ |.= 66, 66, '|.= with numbers'; 340 $_ = 22; 341 is $_ ^.= 66, "\4\4", '^.= with numbers'; 342 343 # signed vs. unsigned 344 ok ((~0 > 0 && do { use integer; ~0 } == -1)); 345 346 my $bits = 0; 347 for (my $i = ~0; $i; $i >>= 1) { ++$bits; } 348 my $cusp = 1 << ($bits - 1); 349 350 ok (($cusp & -1) > 0 && do { use integer; $cusp & -1 } < 0); 351 ok (($cusp | 1) > 0 && do { use integer; $cusp | 1 } < 0); 352 ok (($cusp ^ 1) > 0 && do { use integer; $cusp ^ 1 } < 0); 353 ok ((1 << ($bits - 1)) == $cusp && 354 do { use integer; 1 << ($bits - 1) } == -$cusp); 355 ok (($cusp >> 1) == ($cusp / 2) && 356 do { use integer; abs($cusp >> 1) } == ($cusp / 2)); 357} 358# Repeat some of those, with 'use v5.27' 359{ 360 use v5.27; 361 362 is "22" & "66", 2, 'numeric & with strings'; 363 is "22" | "66", 86, 'numeric | with strings'; 364 is "22" ^ "66", 84, 'numeric ^ with strings'; 365 is ~"22" & 0xff, 233, 'numeric ~ with string'; 366 is 22 &. 66, 22, '&. with numbers'; 367 is 22 |. 66, 66, '|. with numbers'; 368 is 22 ^. 66, "\4\4", '^. with numbers'; 369 if ($::IS_EBCDIC) { 370 # ord('2') is 0xF2 on EBCDIC 371 is ~.22, "\x0d\x0d", '~. with number'; 372 } 373 else { 374 # ord('2') is 0x32 on ASCII 375 is ~.22, "\xcd\xcd", '~. with number'; 376 } 377 $_ = "22"; 378 is $_ &= "66", 2, 'numeric &= with strings'; 379 $_ = "22"; 380 is $_ |= "66", 86, 'numeric |= with strings'; 381 $_ = "22"; 382 is $_ ^= "66", 84, 'numeric ^= with strings'; 383 $_ = 22; 384 is $_ &.= 66, 22, '&.= with numbers'; 385 $_ = 22; 386 is $_ |.= 66, 66, '|.= with numbers'; 387 $_ = 22; 388 is $_ ^.= 66, "\4\4", '^.= with numbers'; 389} 390 391# ref tests 392 393my %res; 394 395for my $str ("x", "\x{B6}") { 396 utf8::upgrade($str) if $str !~ /x/; 397 for my $chr (qw/S A H G X ( * F/) { 398 for my $op (qw/| & ^/) { 399 my $co = ord $chr; 400 my $so = ord $str; 401 $res{"$chr$op$str"} = eval qq/chr($co $op $so)/; 402 } 403 } 404 $res{"undef|$str"} = $str; 405 $res{"undef&$str"} = ""; 406 $res{"undef^$str"} = $str; 407} 408 409sub PVBM () { "X" } 4101 if index "foo", PVBM; 411 412my $warn = 0; 413local $^W = 1; 414local $SIG{__WARN__} = sub { $warn++ }; 415 416sub is_first { 417 my ($got, $orig, $op, $str, $name) = @_; 418 is(substr($got, 0, 1), $res{"$orig$op$str"}, $name); 419} 420 421for ( 422 # [object to test, first char of stringification, name] 423 [undef, "undef", "undef" ], 424 [\1, "S", "scalar ref" ], 425 [[], "A", "array ref" ], 426 [{}, "H", "hash ref" ], 427 [qr/x/, "(", "qr//" ], 428 [*foo, "*", "glob" ], 429 [\*foo, "G", "glob ref" ], 430 [PVBM, "X", "PVBM" ], 431 [\PVBM, "S", "PVBM ref" ], 432 [bless([], "Foo"), "F", "object" ], 433) { 434 my ($val, $orig, $type) = @$_; 435 436 for (["x", "string"], ["\x{B6}", "utf8"]) { 437 my ($str, $desc) = @$_; 438 utf8::upgrade($str) if $desc =~ /utf8/; 439 440 $warn = 0; 441 442 is_first($val | $str, $orig, "|", $str, "$type | $desc"); 443 is_first($val & $str, $orig, "&", $str, "$type & $desc"); 444 is_first($val ^ $str, $orig, "^", $str, "$type ^ $desc"); 445 446 is_first($str | $val, $orig, "|", $str, "$desc | $type"); 447 is_first($str & $val, $orig, "&", $str, "$desc & $type"); 448 is_first($str ^ $val, $orig, "^", $str, "$desc ^ $type"); 449 450 my $new; 451 ($new = $val) |= $str; 452 is_first($new, $orig, "|", $str, "$type |= $desc"); 453 ($new = $val) &= $str; 454 is_first($new, $orig, "&", $str, "$type &= $desc"); 455 ($new = $val) ^= $str; 456 is_first($new, $orig, "^", $str, "$type ^= $desc"); 457 458 ($new = $str) |= $val; 459 is_first($new, $orig, "|", $str, "$desc |= $type"); 460 ($new = $str) &= $val; 461 is_first($new, $orig, "&", $str, "$desc &= $type"); 462 ($new = $str) ^= $val; 463 is_first($new, $orig, "^", $str, "$desc ^= $type"); 464 465 if ($orig eq "undef") { 466 # undef |= and undef ^= don't warn 467 is($warn, 10, "no duplicate warnings"); 468 } 469 else { 470 is($warn, 0, "no warnings"); 471 } 472 } 473} 474 475delete $SIG{__WARN__}; 476 477my $strval; 478 479{ 480 package Bar; 481 use overload q/""/ => sub { $strval }; 482 483 package Baz; 484 use overload q/|/ => sub { "y" }; 485} 486 487ok(!eval { 1 if bless([], "Bar") | "x"; 1 },"string overload can't use |"); 488like($@, qr/no method found/, "correct error"); 489is(eval { bless([], "Baz") | "x" }, "y", "| overload works"); 490 491my $obj = bless [], "Bar"; 492$strval = "x"; 493eval { $obj |= "Q" }; 494$strval = "z"; 495is("$obj", "z", "|= doesn't break string overload"); 496 497# [perl #29070] 498$^A .= new version ~$_ for eval sprintf('"\\x%02x"', 0xff - ord("1")), 499 $::IS_EBCDIC ? v13 : v205, # 255 - ord('2') 500 eval sprintf('"\\x%02x"', 0xff - ord("3")); 501is $^A, "123", '~v0 clears vstring magic on retval'; 502 503{ 504 my $w = $Config::Config{ivsize} * 8; 505 506 fail("unexpected w $w") unless $w == 32 || $w == 64; 507 508 is(1 << 1, 2, "UV 1 left shift 1"); 509 is(1 >> 1, 0, "UV 1 right shift 1"); 510 511 is(0x7b << -4, 0x007, "UV left negative shift == right shift"); 512 is(0x7b >> -4, 0x7b0, "UV right negative shift == left shift"); 513 514 is(0x7b << 0, 0x07b, "UV left zero shift == identity"); 515 is(0x7b >> 0, 0x07b, "UV right zero shift == identity"); 516 517 is(0x0 << -1, 0x0, "zero left negative shift == zero"); 518 is(0x0 >> -1, 0x0, "zero right negative shift == zero"); 519 520 cmp_ok(1 << $w - 1, '==', 2 ** ($w - 1), # not is() because NV stringify. 521 "UV left $w - 1 shift == 2 ** ($w - 1)"); 522 is(1 << $w, 0, "UV left shift $w == zero"); 523 is(1 << $w + 1, 0, "UV left shift $w + 1 == zero"); 524 525 is(1 >> $w - 1, 0, "UV right shift $w - 1 == zero"); 526 is(1 >> $w, 0, "UV right shift $w == zero"); 527 is(1 >> $w + 1, 0, "UV right shift $w + 1 == zero"); 528 529 # Negative shiftees get promoted to UVs before shifting. This is 530 # not necessarily the ideal behavior, but that is what is happening. 531 if ($w == 64) { 532 no warnings "portable"; 533 no warnings "overflow"; # prevent compile-time warning for ivsize=4 534 is(-1 << 1, 0xFFFF_FFFF_FFFF_FFFE, 535 "neg UV (sic) left shift = 0xFF..E"); 536 is(-1 >> 1, 0x7FFF_FFFF_FFFF_FFFF, 537 "neg UV (sic) right right = 0x7F..F"); 538 } elsif ($w == 32) { 539 no warnings "portable"; 540 is(-1 << 1, 0xFFFF_FFFE, "neg left shift == 0xFF..E"); 541 is(-1 >> 1, 0x7FFF_FFFF, "neg right right == 0x7F..F"); 542 } 543 544 { 545 # 'use integer' means use IVs instead of UVs. 546 use integer; 547 548 # No surprises here. 549 is(1 << 1, 2, "IV 1 left shift 1 == 2"); 550 is(1 >> 1, 0, "IV 1 right shift 1 == 0"); 551 552 # The left overshift should behave like without 'use integer', 553 # that is, return zero. 554 is(1 << $w, 0, "IV 1 left shift $w == 0"); 555 is(1 << $w + 1, 0, "IV 1 left shift $w + 1 == 0"); 556 is(-1 << $w, 0, "IV -1 left shift $w == 0"); 557 is(-1 << $w + 1, 0, "IV -1 left shift $w + 1 == 0"); 558 559 # Even for negative IVs, left shift is multiplication. 560 # But right shift should display the stuckiness to -1. 561 is(-1 << 1, -2, "IV -1 left shift 1 == -2"); 562 is(-1 >> 1, -1, "IV -1 right shift 1 == -1"); 563 564 # As for UVs, negative shifting means the reverse shift. 565 is(-1 << -1, -1, "IV -1 left shift -1 == -1"); 566 is(-1 >> -1, -2, "IV -1 right shift -1 == -2"); 567 568 # Test also at and around wordsize, expect stuckiness to -1. 569 is(-1 >> $w - 1, -1, "IV -1 right shift $w - 1 == -1"); 570 is(-1 >> $w, -1, "IV -1 right shift $w == -1"); 571 is(-1 >> $w + 1, -1, "IV -1 right shift $w + 1 == -1"); 572 } 573} 574 575# [perl #129287] UTF8 & was not providing a trailing null byte. 576# This test is a bit convoluted, as we want to make sure that the string 577# allocated for &’s target contains memory initialised to something other 578# than a null byte. Uninitialised memory does not make for a reliable 579# test. So we do &. on a longer non-utf8 string first. 580for (["aaa","aaa"],[substr ("a\x{100}",0,1), "a"]) { 581 use feature "bitwise"; 582 no warnings "experimental::bitwise", "pack"; 583 $byte = substr unpack("P2", pack "P", $$_[0] &. $$_[1]), -1; 584} 585is $byte, "\0", "utf8 &. appends null byte"; 586 587# only visible under sanitize 588fresh_perl_is('$x = "UUUUUUUV"; $y = "xxxxxxx"; $x |= $y; print $x', 589 ( $::IS_EBCDIC) ? 'XXXXXXXV' : '}}}}}}}V', 590 {}, "[perl #129995] access to freed memory"); 591 592 593# 594# Using code points above 0xFF is fatal 595# 596foreach my $op_info ([and => "&"], [or => "|"], [xor => "^"]) { 597 my ($op_name, $op) = @$op_info; 598 local $@; 599 eval '$_ = "\xFF" ' . $op . ' "\x{100}";'; 600 like $@, qr /^Use of strings with code points over 0xFF as arguments (?# 601 )to bitwise $op_name \Q($op)\E operator is not allowed/, 602 "Use of code points above 0xFF as arguments to bitwise " . 603 "$op_name ($op) is not allowed"; 604} 605 606{ 607 local $@; 608 eval '$_ = ~ "\x{100}";'; 609 like $@, qr /^Use of strings with code points over 0xFF as arguments (?# 610 )to 1's complement \(~\) operator is not allowed/, 611 "Use of code points above 0xFF as argument to 1's complement " . 612 "(~) is not allowed"; 613} 614 615{ 616 # Since these are temporary, and it was a pain to make them into loops, 617 # the code is just rolled out. 618 local $SIG{__WARN__} = sub { push @warnings, @_; }; 619 620 undef @warnings; 621 is("abc" & "abc\x{100}", "abc", '"abc" & "abc\x{100}" works'); 622 if (! is(@warnings, 1, "... but returned a single warning")) { 623 diag join "\n", @warnings; 624 } 625 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 626 )arguments to bitwise and \(&\) operator (?# 627 )is deprecated/, 628 "... which is the expected warning"); 629 undef @warnings; 630 is("abc" | "abc\x{100}", "abc\x{100}", '"abc" | "abc\x{100}" works'); 631 if (! is(@warnings, 1, "... but returned a single warning")) { 632 diag join "\n", @warnings; 633 } 634 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 635 )arguments to bitwise or \(|\) operator (?# 636 )is deprecated/, 637 "... which is the expected warning"); 638 undef @warnings; 639 is("abc" ^ "abc\x{100}", "\0\0\0\x{100}", '"abc" ^ "abc\x{100}" works'); 640 if (! is(@warnings, 1, "... but returned a single warning")) { 641 diag join "\n", @warnings; 642 } 643 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 644 )arguments to bitwise xor \(\^\) operator (?# 645 )is deprecated/, 646 "... which is the expected warning"); 647 undef @warnings; 648 is("abc\x{100}" & "abc", "abc", '"abc\x{100}" & "abc" works'); 649 if (! is(@warnings, 1, "... but returned a single warning")) { 650 diag join "\n", @warnings; 651 } 652 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 653 )arguments to bitwise and \(&\) operator (?# 654 )is deprecated/, 655 "... which is the expected warning"); 656 undef @warnings; 657 is("abc\x{100}" | "abc", "abc\x{100}", '"abc\x{100}" | "abc" works'); 658 if (! is(@warnings, 1, "... but returned a single warning")) { 659 diag join "\n", @warnings; 660 } 661 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 662 )arguments to bitwise or \(|\) operator (?# 663 )is deprecated/, 664 "... which is the expected warning"); 665 undef @warnings; 666 is("abc\x{100}" ^ "abc", "\0\0\0\x{100}", '"abc\x{100}" ^ "abc" works'); 667 if (! is(@warnings, 1, "... but returned a single warning")) { 668 diag join "\n", @warnings; 669 } 670 like ($warnings[0], qr /^Use of strings with code points over 0xFF as (?# 671 )arguments to bitwise xor \(\^\) operator (?# 672 )is deprecated/, 673 "... which is the expected warning"); 674 no warnings 'deprecated'; 675 undef @warnings; 676 my $foo = "abc" & "abc\x{100}"; 677 $foo = "abc" | "abc\x{100}"; 678 $foo = "abc" ^ "abc\x{100}"; 679 $foo = "abc\x{100}" & "abc"; 680 $foo = "abc\x{100}" | "abc"; 681 $foo = "abc\x{100}" ^ "abc"; 682 if (! is(@warnings, 0, "... And none of the last 6 main tests warns when 'deprecated' is off")) { 683 diag join "\n", @warnings; 684 } 685} 686