Nelmio\SecurityBundle\Tests\Listener\ContentSecurityPolicyListenerTest::testDirectiveSetUnset PHP Method

    public function testDirectiveSetUnset()
    {
        $directiveSet = new DirectiveSet(new PolicyManager());
        $directiveSet->setDirectives(array('default-src' => 'foo'));
        $this->assertEquals('default-src foo', $directiveSet->buildHeaderValue(new Request()));
        $directiveSet->setDirective('default-src', '');
        $this->assertEquals('', $directiveSet->buildHeaderValue(new Request()));
    }