#!/usr/bin/perl BEGIN { die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n" unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH}; unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib"; }; use strict; use warnings FATAL => 'all'; use English qw(-no_match_vars); use Test::More; package Foo::is; use Mo qw(is); has 'stuff' => (is => 'ro'); package main; my $f = Foo::is->new(stuff => 'foo'); is $f->stuff, 'foo', 'values passed to constructor are successfully accepted'; eval { $f->stuff('barbaz') }; ok $@, 'setting values after initialization throws an exception'; done_testing;