Bluz\Tests\Response\ResponseTest::testAddHeader PHP Method

    public function testAddHeader()
    {
        $this->response->addHeader('foo', 'bar');
        $this->response->addHeader('foo', 'baz');
        $this->assertTrue($this->response->hasHeader('foo'));
        $this->assertEquals('bar, baz', $this->response->getHeader('foo'));
        $this->assertEqualsArray(['bar', 'baz'], $this->response->getHeaderAsArray('foo'));
        $this->assertEqualsArray([], $this->response->getHeaderAsArray('baz'));
    }