Add a couple version parser tests

tests/Composer/Test/Package/Version/VersionParserTest.php

@@ -88,6 +88,8 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
             'forces w.x.y.z'    => array('1.0-dev',             '1.0.0.0-dev'),
             'forces w.x.y.z/2'  => array('0',                   '0.0.0.0'),
             'parses long'       => array('10.4.13-beta',        '10.4.13.0-beta'),
+            'expand shorthand'  => array('10.4.13-b',           '10.4.13.0-beta'),
+            'expand shorthand2' => array('10.4.13-b5',          '10.4.13.0-beta5'),
             'strips leading v'  => array('v1.0.0',              '1.0.0.0'),
             'strips v/datetime' => array('v20100102',           '20100102'),
             'parses dates y-m'  => array('2010.01',             '2010-01'),
@@ -204,6 +206,7 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
             'double equals'     => array('==1.2.3',     new VersionConstraint('=', '1.2.3.0')),
             'no op means eq'    => array('1.2.3',       new VersionConstraint('=', '1.2.3.0')),
             'completes version' => array('=1.0',        new VersionConstraint('=', '1.0.0.0')),
+            'shorthand beta'    => array('1.2.3b5',     new VersionConstraint('=', '1.2.3.0-beta5')),
             'accepts spaces'    => array('>= 1.2.3',    new VersionConstraint('>=', '1.2.3.0')),
             'accepts master'    => array('>=dev-master',    new VersionConstraint('>=', '9999999-dev')),
             'accepts master/2'  => array('dev-master',      new VersionConstraint('=', '9999999-dev')),