Fix json_cursor_tests

Author: danielaparker

include/jsoncons/json_cursor.hpp

@@ -560,7 +560,7 @@ class basic_json_cursor : public basic_staj_cursor<CharT>, private virtual ser_c
                 }
                 else
                 {
-                    if (tokenizer_.state() == parse_state::start)
+                    if (!tokenizer_.started())
                     {
                         return;
                     }

test/corelib/src/json_cursor_tests.cpp

@@ -661,7 +661,7 @@ TEMPLATE_TEST_CASE("json_cursor reset test", "",
         cursor_type cursor(input0);
         std::error_code ec;
 
-        REQUIRE(cursor.done());
+        REQUIRE_FALSE(cursor.done());
         cursor.reset(input1);
         REQUIRE_FALSE(cursor.done());
         CHECK(staj_event_type::string_value == cursor.current().event_type());
@@ -673,7 +673,7 @@ TEMPLATE_TEST_CASE("json_cursor reset test", "",
 
         cursor.reset(input2, ec);
         CHECK(ec == json_errc::syntax_error);
-        CHECK(cursor.done()); //REVISIT Changed behavior
+        CHECK(!cursor.done()); 
 
         // Check that cursor can reused be upon reset following an error.
         ec = json_errc::success;