Make sure the perl callback sample does not clobber PL_reg_state

[perl/modules/re-engine-Hooks.git] / t / 11-call-perl.t

diff --git a/t/11-call-perl.t b/t/11-call-perl.t
new file mode 100644 (file)
index 0000000..d600d32
--- /dev/null
+++ b/t/11-call-perl.t
@@ -0,0 +1,50 @@
+#!perl -T
+
+use strict;
+use warnings;
+
+use blib 't/re-engine-Hooks-TestDist';
+
+use Test::More tests => 2 * 2;
+
+# Those tests must be ran inside eval STRING because the test distribution
+# can hold only one callback at a time.
+
+my @nodes;
+
+eval <<'TEST1';
+my $rx = do {
+ use re::engine::Hooks::TestDist 'custom' => sub { push @nodes, @_ };
+ qr/.(?:a|o).*/;
+};
+
+{
+ local $@;
+ eval {
+  "foo" =~ $rx;
+ };
+ is $@, '', 'calling perl code in the exec hook does not croak';
+ is_deeply \@nodes, [ qw<REG_ANY TRIE STAR END> ],
+            'calling perl code in the exec hook works correctly';
+}
+TEST1
+die $@ if $@;
+
+eval <<'TEST2';
+my $res;
+
+my $rx = do {
+ use re::engine::Hooks::TestDist 'custom' => sub { $res += ("durp" =~ /.urp/) };
+ qr/.(?:a|o).*/;
+};
+
+{
+ local $@;
+ eval {
+  "foo" =~ $rx;
+ };
+ is $@, '', 'a regexp match in the exec hook does not croak';
+ is $res, scalar(@nodes), 'a regexp match in the exec hook works correctly';
+}
+TEST2
+die $@ if $@;