12 like( 'a', qr/^a(?{1})(?:b(?{2}))?/, 'a =~ ab?' );
13 cmp_ok( $^R, '==', 1, '..$^R after a =~ ab?' );
16 unlike( 'abc', qr/^a(?{3})(?:b(?{4}))$/, 'abc !~ a(?:b)$' );
17 ok( !defined $^R, '..$^R after abc !~ a(?:b)$' );
20 like( 'ab', qr/^a(?{5})b(?{6})/, 'ab =~ ab' );
21 cmp_ok( $^R, '==', 6, '..$^R after ab =~ ab' );
24 like( 'ab', qr/^a(?{7})(?:b(?{8}))?/, 'ab =~ ab?' );
27 local $TODO = '#32840: $^R value lost in (?:...)? constructs';
28 cmp_ok( $^R, '==', 8, '..$^R after ab =~ ab?' );
32 like( 'ab', qr/^a(?{9})b?(?{10})/, 'ab =~ ab? (2)' );
33 cmp_ok( $^R, '==', 10, '..$^R after ab =~ ab? (2)' );
36 like( 'ab', qr/^(a(?{11})(?:b(?{12})))?/, 'ab =~ (ab)? (3)' );
38 local $TODO = '#32840: $^R value lost in (?:...)? constructs (2)';
39 cmp_ok( $^R, '==', 12, '..$^R after ab =~ ab? (3)' );
43 unlike( 'ac', qr/^a(?{13})b(?{14})/, 'ac !~ ab' );
44 ok( !defined $^R, '..$^R after ac !~ ab' );
47 like( 'ac', qr/^a(?{15})(?:b(?{16}))?/, 'ac =~ ab?' );
48 cmp_ok( $^R, '==', 15, '..$^R after ac =~ ab?' );
51 like( 'ab', qr/^a(?{push @ar,101})(?:b(?{push @ar,102}))?/, 'ab =~ ab? with code push' );
52 cmp_ok( scalar(@ar), '==', 2, '..@ar pushed' );
53 cmp_ok( $ar[0], '==', 101, '..first element pushed' );
54 cmp_ok( $ar[1], '==', 102, '..second element pushed' );
57 unlike( 'a', qr/^a(?{103})b(?{104})/, 'a !~ ab with code push' );
58 ok( !defined $^R, '..$^R after a !~ ab with code push' );
61 unlike( 'a', qr/^a(?{push @ar,105})b(?{push @ar,106})/, 'a !~ ab (push)' );
62 cmp_ok( scalar(@ar), '==', 0, '..nothing pushed' );
65 unlike( 'abc', qr/^a(?{push @ar,107})b(?{push @ar,108})$/, 'abc !~ ab$ (push)' );
66 cmp_ok( scalar(@ar), '==', 0, '..still nothing pushed' );
70 like( 'ab', qr/^a(?{push @var,109})(?:b(?{push @var,110}))?/, 'ab =~ ab? push to package var' );
71 cmp_ok( scalar(@var), '==', 2, '..@var pushed' );
72 cmp_ok( $var[0], '==', 109, '..first element pushed (package)' );
73 cmp_ok( $var[1], '==', 110, '..second element pushed (package)' );
76 unlike( 'a', qr/^a(?{push @var,111})b(?{push @var,112})/, 'a !~ ab (push package var)' );
77 cmp_ok( scalar(@var), '==', 0, '..nothing pushed (package)' );
80 unlike( 'abc', qr/^a(?{push @var,113})b(?{push @var,114})$/, 'abc !~ ab$ (push package var)' );
81 cmp_ok( scalar(@var), '==', 0, '..still nothing pushed (package)' );