1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 require './test.pl'; 6 set_up_inc('../lib'); 7} 8 9plan tests => 42; 10 11$^R = undef; 12like( 'a', qr/^a(?{1})(?:b(?{2}))?/, 'a =~ ab?' ); 13cmp_ok( $^R, '==', 1, '..$^R after a =~ ab?' ); 14 15$^R = undef; 16unlike( 'abc', qr/^a(?{3})(?:b(?{4}))$/, 'abc !~ a(?:b)$' ); 17ok( !defined $^R, '..$^R after abc !~ a(?:b)$' ); 18 19$^R = undef; 20like( 'ab', qr/^a(?{5})b(?{6})/, 'ab =~ ab' ); 21cmp_ok( $^R, '==', 6, '..$^R after ab =~ ab' ); 22 23$^R = undef; 24like( 'ab', qr/^a(?{7})(?:b(?{8}))?/, 'ab =~ ab?' ); 25 26cmp_ok( $^R, '==', 8, '..$^R after ab =~ ab?' ); 27 28$^R = undef; 29like( 'ab', qr/^a(?{9})b?(?{10})/, 'ab =~ ab? (2)' ); 30cmp_ok( $^R, '==', 10, '..$^R after ab =~ ab? (2)' ); 31 32$^R = undef; 33like( 'ab', qr/^(a(?{11})(?:b(?{12})))?/, 'ab =~ (ab)? (3)' ); 34cmp_ok( $^R, '==', 12, '..$^R after ab =~ ab? (3)' ); 35 36$^R = undef; 37unlike( 'ac', qr/^a(?{13})b(?{14})/, 'ac !~ ab' ); 38ok( !defined $^R, '..$^R after ac !~ ab' ); 39 40$^R = undef; 41like( 'ac', qr/^a(?{15})(?:b(?{16}))?/, 'ac =~ ab?' ); 42cmp_ok( $^R, '==', 15, '..$^R after ac =~ ab?' ); 43 44my @ar; 45like( 'ab', qr/^a(?{push @ar,101})(?:b(?{push @ar,102}))?/, 'ab =~ ab? with code push' ); 46cmp_ok( scalar(@ar), '==', 2, '..@ar pushed' ); 47cmp_ok( $ar[0], '==', 101, '..first element pushed' ); 48cmp_ok( $ar[1], '==', 102, '..second element pushed' ); 49 50$^R = undef; 51unlike( 'a', qr/^a(?{103})b(?{104})/, 'a !~ ab with code push' ); 52ok( !defined $^R, '..$^R after a !~ ab with code push' ); 53 54@ar = (); 55unlike( 'a', qr/^a(?{push @ar,105})b(?{push @ar,106})/, 'a !~ ab (push)' ); 56cmp_ok( scalar(@ar), '==', 0, '..nothing pushed' ); 57 58@ar = (); 59unlike( 'abc', qr/^a(?{push @ar,107})b(?{push @ar,108})$/, 'abc !~ ab$ (push)' ); 60cmp_ok( scalar(@ar), '==', 0, '..still nothing pushed' ); 61 62our @var; 63 64like( 'ab', qr/^a(?{push @var,109})(?:b(?{push @var,110}))?/, 'ab =~ ab? push to package var' ); 65cmp_ok( scalar(@var), '==', 2, '..@var pushed' ); 66cmp_ok( $var[0], '==', 109, '..first element pushed (package)' ); 67cmp_ok( $var[1], '==', 110, '..second element pushed (package)' ); 68 69@var = (); 70unlike( 'a', qr/^a(?{push @var,111})b(?{push @var,112})/, 'a !~ ab (push package var)' ); 71cmp_ok( scalar(@var), '==', 0, '..nothing pushed (package)' ); 72 73@var = (); 74unlike( 'abc', qr/^a(?{push @var,113})b(?{push @var,114})$/, 'abc !~ ab$ (push package var)' ); 75cmp_ok( scalar(@var), '==', 0, '..still nothing pushed (package)' ); 76 77{ 78 local $^R = undef; 79 ok( 'ac' =~ /^a(?{30})(?:b(?{31})|c(?{32}))?/, 'ac =~ a(?:b|c)?' ); 80 ok( $^R == 32, '$^R == 32' ); 81} 82{ 83 local $^R = undef; 84 ok( 'abbb' =~ /^a(?{36})(?:b(?{37})|c(?{38}))+/, 'abbbb =~ a(?:b|c)+' ); 85 ok( $^R == 37, '$^R == 37' ) or print "# \$^R=$^R\n"; 86} 87 88# Broken temporarily by the jumbo re-eval rewrite in 5.17.1; fixed in .6 89{ 90 use re 'eval'; 91 $x = "(?{})"; 92 is eval { "a" =~ /a++(?{})+$x/x } || $@, '1', '/a++(?{})+$code_block/' 93} 94 95# [perl #78194] $_ in code block aliasing op return values 96"$_" =~ /(?{ is \$_, \$_, 97 '[perl #78194] \$_ == \$_ when $_ aliases "$x"' })/; 98 99@a = 1..3; 100like eval { qr/@a(?{})/ }, qr/1 2 3\(\?\{\}\)/, 'qr/@a(?{})/'; 101 102# Not a code block, but looks a bit like one. (Failed an assertion from 103# 5.17.1 to 5.21.6.) 104ok "(?{" =~ qr/\Q(?{/, 'qr/\Q(?{/'; 105