--- a/tests/doctest.txt	Thu Mar 01 15:04:27 2012 -0800
+++ b/tests/doctest.txt	Thu Mar 01 15:28:34 2012 -0800
@@ -7,6 +7,7 @@
     >>> import pkginfo
     >>> import shutil
     >>> import simpypi
+    >>> import subprocess
     >>> import tarfile
     >>> import tempfile
     >>> from paste.fixture import TestApp
@@ -48,7 +49,7 @@
     >>> sdist.author
     'Jeff Hammel'
 
-Install the package and inspect the installation::
+Unpack the archive and ensure the files are there::
 
     >>> tmpdir = tempfile.mkdtemp()
     >>> archive = tarfile.TarFile.open(path)
@@ -63,6 +64,30 @@
     True
     >>> os.listdir(os.path.join(srcdir, 'helloworld'))
     ['__init__.py']
+
+Install the package and inspect the installation::
+
+    >>> python = create_virtualenv(tmpdir)
+
+You should not be able to import ``helloworld`` yet::
+
+    >>> code = subprocess.call([python, '-c', 'import helloworld'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    >>> code
+    1
+
+But after installation you should::
+
+    >>> subprocess.call([python, 'setup.py', 'install'], cwd=srcdir, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    0
+    >>> code = subprocess.call([python, '-c', 'import helloworld'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    >>> code
+    0
+    >>> process = subprocess.Popen([python, '-c', 'import helloworld; print helloworld.hello'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    >>> stdout, stderr = process.communicate()
+    >>> process.returncode
+    0
+    >>> stdout
+    'Hello, world!\n'
     >>> shutil.rmtree(tmpdir)
 
 Upload the same package but with the wrong name::