Inheritance: extends PhpBrew\PatchKit\Patch
 public function testPatch()
 {
     $logger = new Logger();
     $logger->setQuiet();
     $fromVersion = '5.3.29';
     $sourceFixtureDirectory = getenv('PHPBREW_FIXTURES_PHP_DIR') . DIRECTORY_SEPARATOR . $fromVersion;
     $sourceDirectory = getenv('PHPBREW_BUILD_PHP_DIR');
     if (!is_dir($sourceDirectory)) {
         return $this->markTestSkipped("{$sourceDirectory} does not exist.");
     }
     // Copy the source Makefile to the Makefile
     // copy($sourceFixtureDirectory . '/Makefile', $sourceDirectory . '/Makefile');
     $this->setupBuildDirectory($fromVersion);
     $build = new Build($fromVersion);
     $build->setSourceDirectory($sourceDirectory);
     $build->enableVariant('intl');
     $this->assertTrue($build->hasVariant('intl'), 'intl enabled');
     $patch = new IntlWith64bitPatch();
     $matched = $patch->match($build, $logger);
     $this->assertTrue($matched, 'patch matched');
     $patchedCount = $patch->apply($build, $logger);
     $this->assertEquals(3, $patchedCount);
     $sourceExpectedDirectory = getenv('PHPBREW_EXPECTED_PHP_DIR') . DIRECTORY_SEPARATOR . $fromVersion;
     $this->assertFileEquals($sourceExpectedDirectory . '/Makefile', $sourceDirectory . '/Makefile');
 }