--- /dev/null
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+
+use Test::Requires {
+ 'Test::Output' => '0.01', # skip all if not installed
+};
+
+{
+ package Foo;
+ use Moose;
+
+ sub get_a { }
+ sub set_b { }
+ sub has_c { }
+ sub clear_d { }
+ sub e { }
+}
+
+my $foo_meta = Foo->meta;
+stderr_like(sub { $foo_meta->add_attribute(a => (reader => 'get_a')) },
+ qr/^You are overwriting a locally defined method \(get_a\) with an accessor/, 'reader overriding gives proper warning');
+stderr_like(sub { $foo_meta->add_attribute(b => (writer => 'set_b')) },
+ qr/^You are overwriting a locally defined method \(set_b\) with an accessor/, 'writer overriding gives proper warning');
+stderr_like(sub { $foo_meta->add_attribute(c => (predicate => 'has_c')) },
+ qr/^You are overwriting a locally defined method \(has_c\) with an accessor/, 'predicate overriding gives proper warning');
+stderr_like(sub { $foo_meta->add_attribute(d => (clearer => 'clear_d')) },
+ qr/^You are overwriting a locally defined method \(clear_d\) with an accessor/, 'clearer overriding gives proper warning');
+stderr_like(sub { $foo_meta->add_attribute(e => (is => 'rw')) },
+ qr/^You are overwriting a locally defined method \(e\) with an accessor/, 'accessor overriding gives proper warning');
+
+stderr_like(sub { $foo_meta->add_attribute(has => (is => 'rw')) },
+ qr/^You are overwriting a locally defined function \(has\) with an accessor/, 'function overriding gives proper warning');
+
+done_testing;