1 files changed, 86 insertions, 0 deletions
diff --git a/t/re/rxcode.t b/t/re/rxcode.t
new file mode 100644
index 0000000000..eb144f9807
--- /dev/null
+++ b/t/re/rxcode.t
@@ -0,0 +1,86 @@
+#!./perl
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+    require './test.pl';
+}
+
+plan tests => 38;
+
+$^R = undef;
+like( 'a',  qr/^a(?{1})(?:b(?{2}))?/, 'a =~ ab?' );
+cmp_ok( $^R, '==', 1, '..$^R after a =~ ab?' );
+
+$^R = undef;
+unlike( 'abc', qr/^a(?{3})(?:b(?{4}))$/, 'abc !~ a(?:b)$' );
+ok( !defined $^R, '..$^R after abc !~ a(?:b)$' );
+
+$^R = undef;
+like( 'ab', qr/^a(?{5})b(?{6})/, 'ab =~ ab' );
+cmp_ok( $^R, '==', 6, '..$^R after ab =~ ab' );
+
+$^R = undef;
+like( 'ab', qr/^a(?{7})(?:b(?{8}))?/, 'ab =~ ab?' );
+
+cmp_ok( $^R, '==', 8, '..$^R after ab =~ ab?' );
+
+$^R = undef;
+like( 'ab', qr/^a(?{9})b?(?{10})/, 'ab =~ ab? (2)' );
+cmp_ok( $^R, '==', 10, '..$^R after ab =~ ab? (2)' );
+
+$^R = undef;
+like( 'ab', qr/^(a(?{11})(?:b(?{12})))?/, 'ab =~ (ab)? (3)' );
+cmp_ok( $^R, '==', 12, '..$^R after ab =~ ab? (3)' );
+
+$^R = undef;
+unlike( 'ac', qr/^a(?{13})b(?{14})/, 'ac !~ ab' );
+ok( !defined $^R, '..$^R after ac !~ ab' );
+
+$^R = undef;
+like( 'ac', qr/^a(?{15})(?:b(?{16}))?/, 'ac =~ ab?' );
+cmp_ok( $^R, '==', 15, '..$^R after ac =~ ab?' );
+
+my @ar;
+like( 'ab', qr/^a(?{push @ar,101})(?:b(?{push @ar,102}))?/, 'ab =~ ab? with code push' );
+cmp_ok( scalar(@ar), '==', 2, '..@ar pushed' );
+cmp_ok( $ar[0], '==', 101, '..first element pushed' );
+cmp_ok( $ar[1], '==', 102, '..second element pushed' );
+
+$^R = undef;
+unlike( 'a', qr/^a(?{103})b(?{104})/, 'a !~ ab with code push' );
+ok( !defined $^R, '..$^R after a !~ ab with code push' );
+
+@ar = ();
+unlike( 'a', qr/^a(?{push @ar,105})b(?{push @ar,106})/, 'a !~ ab (push)' );
+cmp_ok( scalar(@ar), '==', 0, '..nothing pushed' );
+
+@ar = ();
+unlike( 'abc', qr/^a(?{push @ar,107})b(?{push @ar,108})$/, 'abc !~ ab$ (push)' );
+cmp_ok( scalar(@ar), '==', 0, '..still nothing pushed' );
+
+use vars '@var';
+
+like( 'ab', qr/^a(?{push @var,109})(?:b(?{push @var,110}))?/, 'ab =~ ab? push to package var' );
+cmp_ok( scalar(@var), '==', 2, '..@var pushed' );
+cmp_ok( $var[0], '==', 109, '..first element pushed (package)' );
+cmp_ok( $var[1], '==', 110, '..second element pushed (package)' );
+
+@var = ();
+unlike( 'a', qr/^a(?{push @var,111})b(?{push @var,112})/, 'a !~ ab (push package var)' );
+cmp_ok( scalar(@var), '==', 0, '..nothing pushed (package)' );
+
+@var = ();
+unlike( 'abc', qr/^a(?{push @var,113})b(?{push @var,114})$/, 'abc !~ ab$ (push package var)' );
+cmp_ok( scalar(@var), '==', 0, '..still nothing pushed (package)' );
+
+{
+    local $^R = undef;
+    ok( 'ac' =~ /^a(?{30})(?:b(?{31})|c(?{32}))?/, 'ac =~ a(?:b|c)?' );
+    ok( $^R == 32, '$^R == 32' );
+}
+{
+    local $^R = undef;
+    ok( 'abbb' =~ /^a(?{36})(?:b(?{37})|c(?{38}))+/, 'abbbb =~ a(?:b|c)+' );
+    ok( $^R == 37, '$^R == 37' ) or print "# \$^R=$^R\n";
+}