gistfile1.txt

<?php
// Notice: Undefined property: Test::$data となる
class Test extends PHPUnit_Framework_TestCase
{
    function setUp()
    {
        $this->data = array(
            array(1, 1)
        );
    }

    function dp()
    {
        return $this->data;
    }

    /**
     * @dataProvider dp
     */
    function test1($a, $b)
    {
        $this->assertEquals($a, $b);
    }
}