ezsystems / ezpublish-kernel

        };

    }

    public function testParameterProviderGetter(): void

    {

        $registry = $this->getRegistry([

            $this->getProvider('provider_a'),

            $this->getProvider('provider_b'),

        ]);

        $providerA = $registry->getTwigVariableProvider('provider_a');

        $providerB = $registry->getTwigVariableProvider('provider_b');

        $providerC = $registry->getTwigVariableProvider('provider_c');

        $this->assertEquals($providerA->getIdentifier(), 'provider_a');

        $this->assertEquals($providerB->getIdentifier(), 'provider_b');

        $this->assertNull($providerC);

    }

    public function testParameterProviderSetter(): void

    {

        $this->assertNull($providerC);

    }

    public function testParameterProviderSetter(): void

    {

        $registry = $this->getRegistry([

            $this->getProvider('provider_a'),

            $this->getProvider('provider_b'),

        ]);

        $providerC = $registry->getTwigVariableProvider('provider_c');

        $this->assertNull($providerC);

        $registry->setTwigVariableProvider($this->getProvider('provider_c'));

        $providerC = $registry->getTwigVariableProvider('provider_c');

        $this->assertEquals($providerC->getIdentifier(), 'provider_c');

    }

    public function testParameterProviderChecker(): void

    {