# YAML Test Matrix

--- &test-7W2P
  Title: Block Mapping with Missing Values
  Tags: [ mapping ]

YAML

? a
? b
c:

Expected Events

+STR
+DOC
+MAP
=VAL :a
=VAL :
=VAL :b
=VAL :
=VAL :c
=VAL :
-MAP
-DOC
-STR

Expected JSON

{
"a": null,
"b": null,
"c": null
}

cpp-event

 ok

hs-yaml-event

 ok

java-event

 ok

js-event

 ok

libyaml-event

 ok

nimyaml-event

 ok

perl5-pp-event

 ok

pyyaml-event

 ok

ruamel-event

 ok

hs-yaml-json

 json_ok

js-json

 json_ok

js-yaml-json

 json_ok

perl5-pp-json

 json_ok

perl5-xs-json

 json_ok

pyyaml-json

 json_ok

ruamel-json

 json_ok

ruby-json

 json_ok

java-json

 json_diff
{}

luajit-json

 json_diff
{
  "a": "",
  "b": "",
  "c": ""
}

perl5-pegex-event

 error
Maximum parsing rules reached (1000)

perl5-pm-json

 error
YAML Error: Invalid element in map
   Code: YAML_LOAD_ERR_BAD_MAP_ELEMENT
   Line: 2
   Document: 1
 at /lib/perl5/YAML/Loader.pm line 360.

perl5-pm-pl

 error
YAML Error: Invalid element in map
   Code: YAML_LOAD_ERR_BAD_MAP_ELEMENT
   Line: 2
   Document: 1
 at /lib/perl5/YAML/Loader.pm line 360.

perl5-syck-json

 error
Syck parser (line 2, column 2): syntax error at /lib/perl5/x86_64-linux-gnu-thread-multi/YAML/Syck.pm line 75, <> line 1.

perl5-syck-pl

 error
Syck parser (line 2, column 2): syntax error at /lib/perl5/x86_64-linux-gnu-thread-multi/YAML/Syck.pm line 75, <> line 1.

perl5-tiny-json

 error
YAML::Tiny does not support a feature in line '? a' at /bin/perl5-tiny-json line 12.

perl5-tiny-pl

 error
YAML::Tiny does not support a feature in line '? a' at /bin/perl5-tiny-pl line 15.

perl5-pp-pl

 na
{
  'a' => undef,
  'b' => undef,
  'c' => undef
}

perl5-xs-pl

 na
{
  'a' => undef,
  'b' => undef,
  'c' => undef
}

pyyaml-py

 na
{'a': None, 'b': None, 'c': None}

ruamel-py

 na
{'a': None, 'b': None, 'c': None}