# YAML Test Matrix

--- &test-7W2P
  Title: Block Mapping with Missing Values
  Tags: [ explicit-key, 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
}

c-libfyaml-event

 ok

c-libyaml-event

 ok

cpp-rapidyaml-event

 ok

cpp-yamlcpp-event

 ok

dotnet-yamldotnet-event

 ok

hs-hsyaml-event

 ok

java-snakeengine-event

 ok

java-snakeyaml-event

 ok

js-yaml-event

 ok

nim-nimyaml-event

 ok

perl-pp-event

 ok

perl-refparser-event

 ok

py-pyyaml-event

 ok

py-ruamel-event

 ok

rust-yamlrust-event

 ok

c-libfyaml-json

 json_ok

dotnet-yamldotnet-json

 json_ok

go-yaml-json

 json_ok

hs-hsyaml-json

 json_ok

js-jsyaml-json

 json_ok

js-yaml-json

 json_ok

perl-pp-json

 json_ok

perl-pplibyaml-json

 json_ok

perl-xs-json

 json_ok

py-pyyaml-json

 json_ok

py-ruamel-json

 json_ok

ruby-psych-json

 json_ok

java-snakeengine-json

 json_diff
{}

java-snakeyaml-json

 json_diff
{}

lua-lyaml-json

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

perl-syck-json

 error
Syck parser (line 2, column 2): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

perl-syck-perl

 error
Syck parser (line 2, column 2): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

perl-yaml-json

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

perl-yaml-perl

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

raku-yamlish-json

 error
Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-json line 6

raku-yamlish-raku

 error
Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-raku line 6

hs-reference-yeast

 na
Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 +NODE|
   1    0    0    0 +MAP |
   1    0    0    0 +PAIR|
   1    0    0    0 =SYNX|?
   1    1    1    1 =WSPC|.
   1    2    2    2 +NODE|
   1    2    2    2 +VAL |
   1    2    2    2 =TEXT|a
   1    3    3    3 -VAL |
   1    3    3    3 -NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 +NODE|
   2    0    4    4 +VAL |
   2    0    4    4 -VAL |
   2    0    4    4 -NODE|
   2    0    4    4 -PAIR|
   2    0    4    4 +PAIR|
   2    0    4    4 =SYNX|?
   2    1    5    5 =WSPC|.
   2    2    6    6 +NODE|
   2    2    6    6 +VAL |
   2    2    6    6 =TEXT|b
   2    3    7    7 -VAL |
   2    3    7    7 -NODE|
   2    3    7    7 =EOL |\x0a
   3    0    8    8 +NODE|
   3    0    8    8 +VAL |
   3    0    8    8 -VAL |
   3    0    8    8 -NODE|
   3    0    8    8 -PAIR|
   3    0    8    8 +PAIR|
   3    0    8    8 +NODE|
   3    0    8    8 +VAL |
   3    0    8    8 =TEXT|c
   3    1    9    9 -VAL |
   3    1    9    9 -NODE|
   3    1    9    9 =SYNX|:
   3    2   10   10 +NODE|
   3    2   10   10 +VAL |
   3    2   10   10 -VAL |
   3    2   10   10 -NODE|
   3    2   10   10 =EOL |\x0a
   4    0   11   11 -PAIR|
   4    0   11   11 -MAP |
   4    0   11   11 -NODE|
   4    0   11   11 -DOC |

perl-pp-perl

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

perl-pplibyaml-perl

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

perl-xs-perl

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

py-pyyaml-py

 na
{'a': None, 'b': None, 'c': None}

py-ruamel-py

 na
{'a': None, 'b': None, 'c': None}

perl-tiny-json

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

perl-tiny-perl

 ni
YAML::Tiny does not support a feature in line '? a' at /yaml/bin/perl-tiny-perl line 15.