Issue #15615: Add some tests for the json module's handling of invalid input data.

Patch by Kushal Das.

Lib/test/json_tests/test_decode.py

@@ -54,6 +54,15 @@ class TestDecode:
         self.check_keys_reuse(s, self.loads)
         self.check_keys_reuse(s, self.json.decoder.JSONDecoder().decode)
 
+    def test_extra_data(self):
+        s = '[1, 2, 3]5'
+        msg = 'Extra data'
+        self.assertRaisesRegexp(ValueError, msg, self.loads, s)
+
+    def test_invalid_escape(self):
+        s = '["abc\\y"]'
+        msg = 'escape'
+        self.assertRaisesRegexp(ValueError, msg, self.loads, s)
 
 class TestPyDecode(TestDecode, PyTest): pass
 class TestCDecode(TestDecode, CTest): pass

Misc/ACKS

@@ -218,6 +218,7 @@ Evan Dandrea
 Eric Daniel
 Scott David Daniels
 Ben Darnell
+Kushal Das
 Jonathan Dasteel
 John DeGood
 Ned Deily

Misc/NEWS

@@ -425,6 +425,9 @@ Extension Modules
 Tests
 -----
 
+- Issue #15615: Add some tests for the json module's handling of invalid
+  input data.  Patch by Kushal Das.
+
 - Issue #15496: Add directory removal helpers for tests on Windows.
   Patch by Jeremy Kloth.