Handle null bytes in text input

2 files changed, 9 insertions, 2 deletions

diff --git a/jq.pyx b/jq.pyx
index 293ea76..174cea3 100644
--- a/jq.pyx
+++ b/jq.pyx
@@ -314,7 +314,7 @@ cdef class _ResultIterator(object):
         self._ready = False
         cdef jv_parser* parser = jv_parser_new(0)
         cdef char* cbytes_input = PyBytes_AsString(bytes_input)
-        jv_parser_set_buf(parser, cbytes_input, len(cbytes_input), 0)
+        jv_parser_set_buf(parser, cbytes_input, len(bytes_input), 0)
         self._parser = parser
 
     def __iter__(self):
diff --git a/tests/jq_tests.py b/tests/jq_tests.py
index 5b8e630..ebb7a6c 100644
--- a/tests/jq_tests.py
+++ b/tests/jq_tests.py
@@ -247,13 +247,20 @@ class TestJvToPython(object):
         assert_equal("x", program.input(text='"x"').first())
         assert_equal("xyz", program.input(text='"xyz"').first())
 
-    def test_strings_containing_null_characters_are_preserved(self):
+    def test_given_json_value_then_string_containing_null_characters_are_preserved(self):
         program = jq.compile(".")
 
         result = program.input("a\x00b").first()
 
         assert_equal("a\x00b", result)
 
+    def test_given_json_text_then_strings_containing_null_characters_are_preserved(self):
+        program = jq.compile(".")
+
+        result = program.input(text='"a\x00b"').first()
+
+        assert_equal("a\x00b", result)
+
     def test_program_preserves_arrays(self):
         program = jq.compile(".")