Mimic parse error (#556)

* Raise an exception on an invalid time represented as a decimal in  mode.

* Updated release info

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 3.9.2 - 2019-10-01
+
+- Fixed wrong exception type when mimicing the JSON gem.
+
 ## 3.9.1 - 2019-08-31
 
 - Raise an exception on an invalid time represented as a decimal in `:object` mode.

ext/oj/parse.c

@@ -1049,6 +1049,10 @@ oj_pi_parse(int argc, VALUE *argv, ParseInfo pi, char *json, size_t len, int yie
 		msg = rb_str_append(msg, oj_encode(rb_str_new2(pi->json)));
 	    }
 	    args[0] = msg;
+	    if (pi->err.clas == oj_parse_error_class) {
+		// The error was an Oj::ParseError so change to a JSON::ParseError.
+		pi->err.clas = oj_json_parser_error_class;
+	    }
 	    rb_exc_raise(rb_class_new_instance(1, args, pi->err.clas));
 	} else {
 	    oj_err_raise(&pi->err);

ext/oj/sparse.c

@@ -898,6 +898,10 @@ oj_pi_sparse(int argc, VALUE *argv, ParseInfo pi, int fd) {
 	    // idea.
 	    VALUE	args[] = { oj_encode(rb_str_new2(pi->err.msg)) };
 
+	    if (pi->err.clas == oj_parse_error_class) {
+		// The error was an Oj::ParseError so change to a JSON::ParseError.
+		pi->err.clas = oj_json_parser_error_class;
+	    }
 	    rb_exc_raise(rb_class_new_instance(1, args, pi->err.clas));
 	} else {
 	    oj_err_raise(&pi->err);

lib/oj/version.rb

@@ -1,5 +1,5 @@
 
 module Oj
   # Current version of the module.
-  VERSION = '3.9.1'
+  VERSION = '3.9.2'
 end

notes

@@ -26,9 +26,8 @@ Comparison Matrix
  - encode_big_decimal_as_string
   - add as fix for rails change
 
-
 - rails
-   
+
  - Process::Status
  - ActiveSupport::TimeWithZone
  - ActiveModel::Errors
@@ -44,7 +43,7 @@ Comparison Matrix
   - look at RUBY_PLATFORM maybe?
  - look at env var for OJ_DEBUG when doing ruby extconf.rb
  - add printf for keys spots in parse and dump
- 
+
 - invalid character option
  - don't check options
   - replace with best attempt such as \ud83d => \xED\xA0\xBD