vlib: improve code coverage in src/vlib

Type: test

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I2dc4c09730f77931a2b484a6dd5dc669068f8e57

test/test_vlib.py

@@ -110,5 +110,34 @@ class TestVlib(VppTestCase):
                 else:
                     self.logger.info(cmd + " FAIL retval " + str(r.retval))
 
+    def test_vlib_buffer_c_unittest(self):
+        """ Vlib buffer.c Code Coverage Test """
+
+        cmds = ["loopback create",
+                "packet-generator new {\n"
+                " name vlib\n"
+                " limit 15\n"
+                " size 128-128\n"
+                " interface loop0\n"
+                " node ethernet-input\n"
+                " data {\n"
+                "   IP6: 00:d0:2d:5e:86:85 -> 00:0d:ea:d0:00:00\n"
+                "   ICMP: db00::1 -> db00::2\n"
+                "   incrementing 30\n"
+                "   }\n",
+                "}\n",
+                "pa en",
+                "test vlib",
+                "show buffers",
+                ]
+
+        for cmd in cmds:
+            r = self.vapi.cli_return_response(cmd)
+            if r.retval != 0:
+                if hasattr(r, 'reply'):
+                    self.logger.info(cmd + " FAIL reply " + r.reply)
+                else:
+                    self.logger.info(cmd + " FAIL retval " + str(r.retval))
+
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)