public function test_numbers()
{
$a = new Calculator();
$this->assertEquals(0, $a->Add(""));
$this->assertEquals(2, $a->Add("2"));
$this->assertEquals(5, $a->Add("2,3"));
$this->assertEquals(30, $a->Add("10,2,3,15"));
$this->assertEquals(30, $a->Add("10,2\n3,15"));
$this->assertEquals(30, $a->Add("//[;;;]\n10;;;20"));
}
public function testLoggingSimpleAdd()
{
$a = new Calculator();
$mockedLogger = $this->getMockBuilder('Demo\\ILogger')->getMock();
$mockedLogger->expects($this->once())->method('write')->with($this->equalTo('6'));
Calculator::setLogger($mockedLogger);
$a->Add("2,4");
}