1 files changed, 41 insertions, 0 deletions
diff --git a/t/Eval.pm b/t/Eval.pm
new file mode 100644
index 0000000..bbd49e5
--- /dev/null
+++ b/t/Eval.pm
@@ -0,0 +1,41 @@
+package t::Eval;
+
+use warnings;
+use strict;
+
+use Test::More;
+
+sub _ok_no_eval() {
+	my $lastsub = "";
+	my $i = 0;
+	while(1) {
+		my @c = caller($i);
+		unless(@c) {
+			ok 0;
+			diag "failed to find main program in stack trace";
+			return;
+		}
+		my $sub = $c[3];
+		if($sub eq "main::eval_test") {
+			ok 1;
+			return;
+		}
+		my $type = $sub ne "(eval)" ? "subroutine" :
+			$c[7] ? "require" :
+			defined($c[6]) ? "string eval" : "block eval";
+		if($type =~ /eval/ && !($lastsub eq "t::Eval::BEGIN" &&
+					$type eq "block eval")) {
+			ok 0;
+			diag "have $type between module and main program";
+			return;
+		}
+		$lastsub = $sub;
+		$i++;
+	}
+}
+
+BEGIN { _ok_no_eval(); }
+_ok_no_eval();
+sub import { _ok_no_eval(); }
+
+1;