PayPal\Test\Core\PayPalHttpConfigTest::testHeaderFunctions PHP Метод

    public function testHeaderFunctions()
    {
        $o = new PayPalHttpConfig();
        $o->addHeader('key1', 'value1');
        $o->addHeader('key2', 'value');
        $o->addHeader('key2', 'overwritten');
        $this->assertEquals(2, count($o->getHeaders()));
        $this->assertEquals('overwritten', $o->getHeader('key2'));
        $this->assertNull($o->getHeader('key3'));
        $o = new PayPalHttpConfig();
        $o->addHeader('key1', 'value1');
        $o->addHeader('key2', 'value');
        $o->addHeader('key2', 'and more', false);
        $this->assertEquals(2, count($o->getHeaders()));
        $this->assertEquals('value;and more', $o->getHeader('key2'));
        $o->removeHeader('key2');
        $this->assertEquals(1, count($o->getHeaders()));
        $this->assertNull($o->getHeader('key2'));
    }