From 64c74c4d2d2718a2059cc4dbc1626e4eb2b068db Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Tue, 25 Jan 2011 15:09:37 -0600
Subject: initial implementation

---
 t/01-basic.t | 40 ++++++++++++++++++++++++++++++++++++++++
 t/01/Bar.pm  |  4 ++++
 t/01/Baz.pm  |  4 ++++
 t/01/Foo.pm  |  4 ++++
 4 files changed, 52 insertions(+)
 create mode 100644 t/01-basic.t
 create mode 100644 t/01/Bar.pm
 create mode 100644 t/01/Baz.pm
 create mode 100644 t/01/Foo.pm

(limited to 't')

diff --git a/t/01-basic.t b/t/01-basic.t
new file mode 100644
index 0000000..5ddde3f
--- /dev/null
+++ b/t/01-basic.t
@@ -0,0 +1,40 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use lib 't/01';
+use Test::More;
+
+no circular::require;
+
+{
+    my $warnings;
+    local $SIG{__WARN__} = sub { $warnings .= $_[0] };
+    use_ok('Foo');
+    is($warnings, "Circular require detected: Foo.pm (from Baz)\nCircular require detected: Baz.pm (from Bar)\n", "correct warnings");
+    clear();
+}
+
+{
+    my $warnings;
+    local $SIG{__WARN__} = sub { $warnings .= $_[0] };
+    use_ok('Bar');
+    is($warnings, "Circular require detected: Baz.pm (from Foo)\nCircular require detected: Bar.pm (from Baz)\n", "correct warnings");
+    clear();
+}
+
+{
+    my $warnings;
+    local $SIG{__WARN__} = sub { $warnings .= $_[0] };
+    use_ok('Baz');
+    is($warnings, "Circular require detected: Baz.pm (from Foo)\n", "correct warnings");
+    clear();
+}
+
+sub clear {
+    for (qw(Foo Bar Baz)) {
+        delete $::{$_};
+        delete $INC{"$_.pm"};
+    }
+}
+
+done_testing;
diff --git a/t/01/Bar.pm b/t/01/Bar.pm
new file mode 100644
index 0000000..f7d7f72
--- /dev/null
+++ b/t/01/Bar.pm
@@ -0,0 +1,4 @@
+package Bar;
+use Baz;
+sub quux { }
+1;
diff --git a/t/01/Baz.pm b/t/01/Baz.pm
new file mode 100644
index 0000000..c70c7aa
--- /dev/null
+++ b/t/01/Baz.pm
@@ -0,0 +1,4 @@
+package Baz;
+require Foo;
+require Bar;
+1;
diff --git a/t/01/Foo.pm b/t/01/Foo.pm
new file mode 100644
index 0000000..5e5d6c3
--- /dev/null
+++ b/t/01/Foo.pm
@@ -0,0 +1,4 @@
+package Foo;
+use Baz;
+sub quux { }
+1;
-- 
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