# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1515370511 -3600
# Node ID be4f3575f6055179a6349954a34b355654f26169
# Parent  5e73c8cae40cb6de671050b6c4f3e13e07394bfc
Added tests for attribute initialisation plus testing for duplicate parameters.

diff -r 5e73c8cae40c -r be4f3575f605 inspector.py
--- a/inspector.py	Mon Jan 08 00:30:23 2018 +0100
+++ b/inspector.py	Mon Jan 08 01:15:11 2018 +0100
@@ -604,6 +604,9 @@
                 argname = argname[1:]
                 attr_initialisers.append(argname)
 
+            if argname in l:
+                raise InspectError("Argument name %s is repeated." % argname, function_name, n)
+
             l.append(argname)
 
         argnames = l
diff -r 5e73c8cae40c -r be4f3575f605 tests/methods_attr_init.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/methods_attr_init.py	Mon Jan 08 01:15:11 2018 +0100
@@ -0,0 +1,24 @@
+class C:
+    def __init__(.x, .y, .z): # no explicit self, attributes initialised
+        pass
+
+    def c():
+        return self.x
+
+class D(C):
+    def d():
+        return self.y
+
+class E(D):
+    def c():
+        return self.z
+
+c = C(1, 2, 3)
+d = D(1, 2, 3)
+e = E(1, 2, 3)
+
+print c.c() # 1
+print d.c() # 1
+print e.c() # 3
+print d.d() # 2
+print e.d() # 2
diff -r 5e73c8cae40c -r be4f3575f605 tests/methods_attr_init_bad.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/methods_attr_init_bad.py	Mon Jan 08 01:15:11 2018 +0100
@@ -0,0 +1,24 @@
+class C:
+    def __init__(.x, .y, .z, x): # no explicit self, attributes initialised
+        pass
+
+    def c():
+        return self.x
+
+class D(C):
+    def d():
+        return self.y
+
+class E(D):
+    def c():
+        return self.z
+
+c = C(1, 2, 3, 4)
+d = D(1, 2, 3, 4)
+e = E(1, 2, 3, 4)
+
+print c.c() # 1
+print d.c() # 1
+print e.c() # 3
+print d.d() # 2
+print e.d() # 2