Implement dict.__eq__

tests/snippets/dict.py

@@ -1,21 +1,23 @@
 from testutils import assertRaises
 
-def dict_eq(d1, d2):
-    return (all(k in d2 and d1[k] == d2[k] for k in d1)
-            and all(k in d1 and d1[k] == d2[k] for k in d2))
+assert dict(a=2, b=3) == {'a': 2, 'b': 3}
+assert dict({'a': 2, 'b': 3}, b=4) == {'a': 2, 'b': 4}
+assert dict([('a', 2), ('b', 3)]) == {'a': 2, 'b': 3}
 
-
-assert dict_eq(dict(a=2, b=3), {'a': 2, 'b': 3})
-assert dict_eq(dict({'a': 2, 'b': 3}, b=4), {'a': 2, 'b': 4})
-assert dict_eq(dict([('a', 2), ('b', 3)]), {'a': 2, 'b': 3})
+assert {} == {}
+assert not {'a': 2} == {}
+assert not {} == {'a': 2}
+assert not {'b': 2} == {'a': 2}
+assert not {'a': 4} == {'a': 2}
+assert {'a': 2} == {'a': 2}
 
 a = {'g': 5}
 b = {'a': a, 'd': 9}
 c = dict(b)
 c['d'] = 3
 c['a']['g'] = 2
-assert dict_eq(a, {'g': 2})
-assert dict_eq(b, {'a': a, 'd': 9})
+assert a == {'g': 2}
+assert b == {'a': a, 'd': 9}
 
 a.clear()
 assert len(a) == 0
@@ -142,10 +144,10 @@ assert list(x) == ['a', 'b']
 
 y = x.copy()
 x['c'] = 12
-assert dict_eq(y, {'a': 2, 'b': 10})
+assert y == {'a': 2, 'b': 10}
 
 y.update({'c': 19, "d": -1, 'b': 12})
-assert dict_eq(y, {'a': 2, 'b': 12, 'c': 19, 'd': -1})
+assert y == {'a': 2, 'b': 12, 'c': 19, 'd': -1}
 
 y.update(y)
-assert dict_eq(y, {'a': 2, 'b': 12, 'c': 19, 'd': -1})  # hasn't changed
+assert y == {'a': 2, 'b': 12, 'c': 19, 'd': -1}  # hasn't changed