diff -r 000000000000 -r 6474c204b198 xpcom/idl-parser/runtests.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/idl-parser/runtests.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,98 @@
+#!/usr/bin/env python
+#
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+#
+# Unit tests for xpidl.py
+
+import mozunit
+import unittest
+import xpidl
+
+class TestParser(unittest.TestCase):
+    def setUp(self):
+        self.p = xpidl.IDLParser()
+    
+    def testEmpty(self):
+        i = self.p.parse("", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertEqual([], i.productions)
+
+    def testForwardInterface(self):
+        i = self.p.parse("interface foo;", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Forward))
+        self.assertEqual("foo", i.productions[0].name)
+
+    def testInterface(self):
+        i = self.p.parse("[uuid(abc)] interface foo {};", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        self.assertEqual("foo", i.productions[0].name)
+
+    def testAttributes(self):
+        i = self.p.parse("[scriptable, builtinclass, function, deprecated, uuid(abc)] interface foo {};", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        iface = i.productions[0]
+        self.assertEqual("foo", iface.name)
+        self.assertTrue(iface.attributes.scriptable)
+        self.assertTrue(iface.attributes.builtinclass)
+        self.assertTrue(iface.attributes.function)
+        self.assertTrue(iface.attributes.deprecated)
+
+        i = self.p.parse("[noscript, uuid(abc)] interface foo {};", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        iface = i.productions[0]
+        self.assertEqual("foo", iface.name)
+        self.assertTrue(iface.attributes.noscript)
+
+    def testMethod(self):
+        i = self.p.parse("""[uuid(abc)] interface foo {
+void bar();
+};""", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        iface = i.productions[0]
+        m = iface.members[0]
+        self.assertTrue(isinstance(m, xpidl.Method))
+        self.assertEqual("bar", m.name)
+        self.assertEqual("void", m.type)
+
+    def testMethodParams(self):
+        i = self.p.parse("""[uuid(abc)] interface foo {
+long bar(in long a, in float b, [array] in long c);
+};""", filename='f')
+        i.resolve([], self.p)
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        iface = i.productions[0]
+        m = iface.members[0]
+        self.assertTrue(isinstance(m, xpidl.Method))
+        self.assertEqual("bar", m.name)
+        self.assertEqual("long", m.type)
+        self.assertEqual(3, len(m.params))
+        self.assertEqual("long", m.params[0].type)
+        self.assertEqual("in", m.params[0].paramtype)
+        self.assertEqual("float", m.params[1].type)
+        self.assertEqual("in", m.params[1].paramtype)
+        self.assertEqual("long", m.params[2].type)
+        self.assertEqual("in", m.params[2].paramtype)
+        self.assertTrue(isinstance(m.params[2].realtype, xpidl.Array))
+        self.assertEqual("long", m.params[2].realtype.type.name)
+
+    def testAttribute(self):
+        i = self.p.parse("""[uuid(abc)] interface foo {
+attribute long bar;
+};""", filename='f')
+        self.assertTrue(isinstance(i, xpidl.IDL))
+        self.assertTrue(isinstance(i.productions[0], xpidl.Interface))
+        iface = i.productions[0]
+        a = iface.members[0]
+        self.assertTrue(isinstance(a, xpidl.Attribute))
+        self.assertEqual("bar", a.name)
+        self.assertEqual("long", a.type)
+
+if __name__ == '__main__':
+    mozunit.main()