lithium\tests\cases\storage\cache\adapter\FileTest::testDelete PHP Method

    public function testDelete()
    {
        $key = 'key_to_delete';
        $keys = array($key);
        $time = time() + 1;
        $path = Libraries::get(true, 'resources') . "/tmp/cache/{$key}";
        file_put_contents($path, "{:expiry:{$time}}\ndata");
        $this->assertFileExists($path);
        $result = $this->File->delete($keys);
        $this->assertTrue($result);
        $key = 'non_existent';
        $keys = array($key);
        $result = $this->File->delete($keys);
        $this->assertFalse($result);
    }