Fixes #144. Workaround for bad behavior in string subclasses.

2 files changed, 17 insertions, 0 deletions

diff --git a/simplejson/tests/__init__.py b/simplejson/tests/__init__.py
index 88249d1..3a00b08 100644
--- a/simplejson/tests/__init__.py
+++ b/simplejson/tests/__init__.py
@@ -57,6 +57,7 @@ def all_tests_suite():
                 'simplejson.tests.test_scanstring',
                 'simplejson.tests.test_separators',
                 'simplejson.tests.test_speedups',
+                'simplejson.tests.test_str_subclass',
                 'simplejson.tests.test_unicode',
                 'simplejson.tests.test_decimal',
                 'simplejson.tests.test_tuple',
diff --git a/simplejson/tests/test_str_subclass.py b/simplejson/tests/test_str_subclass.py
new file mode 100644
index 0000000..771eb67
--- /dev/null
+++ b/simplejson/tests/test_str_subclass.py
@@ -0,0 +1,16 @@
+from unittest import TestCase
+
+import simplejson
+from simplejson.compat import text_type, u
+
+# Tests for issue demonstrated in https://github.com/simplejson/simplejson/issues/144
+class WonkyTextSubclass(text_type):
+    def __getslice__(self, start, end):
+        return self.__class__('not what you wanted!')
+
+class TestStrSubclass(TestCase):
+    def test_dump_load(self):
+        for s in ['', '"hello"', 'text', u('\u005c')]:
+            self.assertEqual(
+                s,
+                simplejson.loads(simplejson.dumps(WonkyTextSubclass(s))))