getAdditionalData() public method

Returns the additional data added by unknown sources.
public getAdditionalData ( ) : array
return array
 /**
  * Tests the collect() method in the back end scope.
  */
 public function testCollectInBackendScope()
 {
     $collector = new ContaoDataCollector($this->mockContainerWithContaoScopes(ContaoCoreBundle::SCOPE_BACKEND), ['contao/core-bundle' => '4.0.0']);
     $GLOBALS['TL_DEBUG'] = ['classes_set' => ['Contao\\System'], 'classes_aliased' => ['ContentText' => 'Contao\\ContentText'], 'classes_composerized' => ['ContentImage' => 'Contao\\ContentImage'], 'unknown_insert_tags' => ['foo'], 'unknown_insert_tag_flags' => ['bar'], 'additional_data' => 'data'];
     $collector->collect(new Request(), new Response());
     $this->assertEquals(['ContentText' => 'Contao\\ContentText'], $collector->getClassesAliased());
     $this->assertEquals(['ContentImage' => 'Contao\\ContentImage'], $collector->getClassesComposerized());
     $this->assertEquals(['version' => '4.0.0', 'framework' => true, 'models' => 5, 'frontend' => false, 'preview' => false, 'layout' => '', 'template' => ''], $collector->getSummary());
     $this->assertEquals('4.0.0', $collector->getContaoVersion());
     $this->assertEquals(['Contao\\System'], $collector->getClassesSet());
     $this->assertEquals(['foo'], $collector->getUnknownInsertTags());
     $this->assertEquals(['bar'], $collector->getUnknownInsertTagFlags());
     $this->assertEquals(['additional_data' => 'data'], $collector->getAdditionalData());
     $this->assertEquals('contao', $collector->getName());
     unset($GLOBALS['TL_DEBUG']);
 }
 /**
  * Tests that an empty array is returned if $this->data is not an array.
  */
 public function testWithNonArrayData()
 {
     $collector = new ContaoDataCollector([]);
     $collector->unserialize('N;');
     $this->assertEquals([], $collector->getAdditionalData());
 }