#!/usr/bin/perl -w
BEGIN {
    if( $ENV{PERL_CORE} ) {
        chdir 't';
        @INC = ('../lib', 'lib');
    }
    else {
        unshift @INC, 't/lib';
    }
}
use Test::More tests => 7;
use Test::Builder;
use Test::Builder::NoOutput;
my $more_tb = Test::More->builder;
isa_ok $more_tb, 'Test::Builder';
is $more_tb, Test::More->builder, 'create does not interfere with ->builder';
is $more_tb, Test::Builder->new,  '       does not interfere with ->new';
{
    my $new_tb = Test::Builder::NoOutput->create;
    isa_ok $new_tb,  'Test::Builder';
    isnt $more_tb, $new_tb, 'Test::Builder->create makes a new object';
    $new_tb->plan(tests => 1);
    $new_tb->ok(1, "a test");
    is $new_tb->read, <<'OUT';
1..1
ok 1 - a test
OUT
}
pass("Changing output() of new TB doesn't interfere with singleton");