getPackageUsage() public method

Return usage of the current package
public getPackageUsage ( Composer\Package\PackageInterface $package ) : array
$package Composer\Package\PackageInterface
return array
 /**
  * @test
  */
 public function getPackageUsageWithFile()
 {
     $this->initializePackageData();
     $dataManager = new SharedPackageDataManager($this->composer);
     $dataManager->setVendorDir($this->vendorDir);
     $this->assertEquals(array('letudiant/root-package'), $dataManager->getPackageUsage($this->createPackage()));
 }