Support object_pairs_hook

Merge remote-tracking branch 'jnothman/object_pairs_hook' into 0.2-maint
Conflicts:
	msgpack/_msgpack.pyx
	test/test_pack.py
	test/test_sequnpack.py

1 files changed, 10 insertions, 0 deletions

diff --git a/test/test_obj.py b/test/test_obj.py
index d809093..12a149f 100644
--- a/test/test_obj.py
+++ b/test/test_obj.py
@@ -26,6 +26,16 @@ def test_decode_hook():
     unpacked = unpackb(packed, object_hook=_decode_complex, use_list=1)
     eq_(unpacked[1], 1+2j)
 
+def test_decode_pairs_hook():
+    packed = packb([3, {1: 2, 3: 4}])
+    prod_sum = 1 * 2 + 3 * 4
+    unpacked = unpackb(packed, object_pairs_hook=lambda l: sum(k * v for k, v in l))
+    eq_(unpacked[1], prod_sum)
+
+@raises(ValueError)
+def test_only_one_obj_hook():
+    unpackb(b'', object_hook=lambda x: x, object_pairs_hook=lambda x: x)
+
 @raises(ValueError)
 def test_bad_hook():
     packed = packb([3, 1+2j], default=lambda o: o)