public function testSetInstallInfos()
 {
     $installInfo1 = new InstallInfo('vendor/package1', '/path/to/package1');
     $installInfo2 = new InstallInfo('vendor/package2', '/path/to/package2');
     $this->packageFile->setInstallInfos(array($installInfo1, $installInfo2));
     $this->assertSame(array($installInfo1, $installInfo2), $this->packageFile->getInstallInfos());
 }
 /**
  * {@inheritdoc}
  */
 public function removePackages(Expression $expr)
 {
     $this->assertPackagesLoaded();
     $installInfos = $this->rootPackageFile->getInstallInfos();
     $packages = $this->packages->toArray();
     foreach ($this->packages->getInstalledPackages() as $package) {
         if ($package->match($expr)) {
             $this->rootPackageFile->removeInstallInfo($package->getName());
             $this->packages->remove($package->getName());
         }
     }
     if (!$installInfos) {
         return;
     }
     try {
         $this->packageFileStorage->saveRootPackageFile($this->rootPackageFile);
     } catch (Exception $e) {
         $this->rootPackageFile->setInstallInfos($installInfos);
         $this->packages->replace($packages);
         throw $e;
     }
 }