Add existing GAM 3.21 code

simplejson/tests/test_errors.py

@@ -0,0 +1,35 @@
+import sys
+from unittest import TestCase
+
+import simplejson as json
+from simplejson.compat import u, b
+
+class TestErrors(TestCase):
+    def test_string_keys_error(self):
+        data = [{'a': 'A', 'b': (2, 4), 'c': 3.0, ('d',): 'D tuple'}]
+        self.assertRaises(TypeError, json.dumps, data)
+
+    def test_decode_error(self):
+        err = None
+        try:
+            json.loads('{}\na\nb')
+        except json.JSONDecodeError:
+            err = sys.exc_info()[1]
+        else:
+            self.fail('Expected JSONDecodeError')
+        self.assertEqual(err.lineno, 2)
+        self.assertEqual(err.colno, 1)
+        self.assertEqual(err.endlineno, 3)
+        self.assertEqual(err.endcolno, 2)
+
+    def test_scan_error(self):
+        err = None
+        for t in (u, b):
+            try:
+                json.loads(t('{"asdf": "'))
+            except json.JSONDecodeError:
+                err = sys.exc_info()[1]
+            else:
+                self.fail('Expected JSONDecodeError')
+            self.assertEqual(err.lineno, 1)
+            self.assertEqual(err.colno, 9)