--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/testemulation.py	Fri Feb 21 13:31:29 2014 +0100
@@ -0,0 +1,67 @@
+import unittest
+import os
+import sys
+import subprocess
+import socket
+import time
+
+from testzcc import ZccBaseTestCase
+
+# Store testdir for safe switch back to directory:
+testdir = os.path.dirname(os.path.abspath(__file__))
+
+
+class EmulationTestCase(ZccBaseTestCase):
+    """ Tests the compiler driver """
+    def setUp(self):
+        os.chdir(testdir)
+        if 'TESTEMU' not in os.environ:
+            self.skipTest('Not running emulation tests')
+
+    def tearDown(self):
+        os.chdir(testdir)
+
+    def runQemu(self, kernel, timespan=2):
+        args = ['qemu-system-arm', '-M', 'lm3s811evb', '-m', '16M', 
+            '-nographic', '-kernel', kernel, '-monitor',
+            'unix:qemucontrol.sock,server',
+            '-serial', 'unix:qemuserial.sock,server']
+        p = subprocess.Popen(args)
+
+        # Give process some time to boot:
+        time.sleep(0.5)
+
+        # Connect to the control socket:
+        qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+        qemu_control.connect('qemucontrol.sock')
+
+        time.sleep(0.5)
+
+        # Now connect to the serial output:
+        qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+        qemu_serial.connect('qemuserial.sock')
+
+
+        data = qemu_serial.recv(11).decode('ascii')
+        print(data)
+
+        # Send quit command:
+        qemu_control.send("quit\n".encode('ascii'))
+
+        p.wait(timeout=timespan)
+
+        qemu_control.close()
+        qemu_serial.close()
+
+        # Check that output was correct:
+        self.assertEqual('Hello worle', data)
+
+    def testM3Bare(self):
+        """ Build bare m3 binary and emulate it """
+        recipe = os.path.join(testdir, 'm3_bare', 'recipe.yaml')
+        self.buildRecipe(recipe)
+        self.runQemu('m3_bare/bare.bin')
+
+
+if __name__ == '__main__':
+    unittest.main()

--- a/test/testzcc.py	Thu Feb 20 20:04:52 2014 +0100
+++ b/test/testzcc.py	Fri Feb 21 13:31:29 2014 +0100
@@ -12,7 +12,19 @@
 testdir = os.path.dirname(os.path.abspath(__file__))
 
 
-class ZccTestCase(unittest.TestCase):
+class ZccBaseTestCase(unittest.TestCase):
+    def callZcc(self, arg_list):
+        parser = zcc.make_parser()
+        arg_list = ['--log', 'warn'] + arg_list
+        args = parser.parse_args(arg_list)
+        self.assertEqual(0, zcc.main(args))
+
+    def buildRecipe(self, recipe):
+        arg_list = ['recipe', recipe]
+        self.callZcc(arg_list)
+
+
+class ZccTestCase(ZccBaseTestCase):
     """ Tests the compiler driver """
     def setUp(self):
         os.chdir(testdir)
@@ -32,15 +44,6 @@
         arg_list += extra_args
         self.callZcc(arg_list)
 
-    def callZcc(self, arg_list):
-        parser = zcc.make_parser()
-        arg_list = ['--log', 'warn'] + arg_list
-        args = parser.parse_args(arg_list)
-        self.assertEqual(0, zcc.main(args))
-
-    def buildRecipe(self, recipe):
-        arg_list = ['recipe', recipe]
-        self.callZcc(arg_list)
 
     def testDumpIr(self):
         basedir = os.path.join('..', 'examples', 'c3', 'comments.c3')