# YAML Test Matrix

--- &test-UT92
  Title: Spec Example 9.4. Explicit Documents
  Tags: [ comment, flow, footer, header, spec ]

YAML

---
{ matches
% : 20 }
...
---
# Empty
...

Expected Events

+STR
+DOC ---
+MAP {}
=VAL :matches %
=VAL :20
-MAP
-DOC ...
+DOC ---
=VAL :
-DOC ...
-STR

Expected JSON

{
"matches %": 20
}
null

c-libfyaml-event

 ok

dotnet-yamldotnet-event

 ok

hs-hsyaml-event

 ok

js-yaml-event

 ok

nim-nimyaml-event

 ok

perl-pp-event

 ok

perl-refparser-event

 ok

c-libfyaml-json

 json_ok

hs-hsyaml-json

 json_ok

js-yaml-json

 json_ok

perl-pp-json

 json_ok

cpp-rapidyaml-event

 diff
Minimal Events:
+STR
+DOC ---
+MAP
=VAL :matches %
=VAL :20
-MAP
-DOC ...
+DOC ---
=VAL :
-DOC ...
-STR
Transformed Events:
+STR
+DOC ---
+MAP
=VAL :matches %
=VAL :20
-MAP
-DOC
+DOC ---
=VAL :
-DOC
-STR
Got Events:
+STR
+DOC ---
+MAP
=VAL :matches %
=VAL :20
-MAP
-DOC
+DOC ---
=VAL :
-DOC
-STR

c-libyaml-event

 error
+STR
+DOC ---
+MAP {}
=VAL :matches %
=VAL :
Parse error: did not find expected ',' or '}'

cpp-yamlcpp-event

 error
+STR
+DOC
+MAP {}
=VAL :
=VAL :
Exception:
yaml-cpp: error at line 2, column 3: end of map flow not found

dotnet-yamldotnet-json

 error
Unhandled exception. YamlDotNet.Core.YamlException: (Line: 5, Col: 1, Idx: 27) - (Line: 5, Col: 4, Idx: 30): Expected 'StreamEnd', got 'DocumentStart' (at Line: 5, Col: 1, Idx: 27).
   at YamlDotNet.Core.ParserExtensions.Require[T](IParser parser)
   at YamlDotNet.Core.ParserExtensions.Consume[T](IParser parser)
   at YamlDotNet.Serialization.Deserializer.Deserialize(IParser parser, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)

go-yaml-json

 error
yaml: line 2: did not find expected ',' or '}'

js-jsyaml-json

 error
/node/node_modules/js-yaml/lib/loader.js:187
  throw generateError(state, message);
  ^
YAMLException: missed comma between flow collection entries (3:3)

 1 | ---
 2 | { matches
 3 | % : 20 }
-------^
 4 | ...
 5 | ---
    at generateError (/node/node_modules/js-yaml/lib/loader.js:183:10)
    at throwError (/node/node_modules/js-yaml/lib/loader.js:187:9)
    at readFlowCollection (/node/node_modules/js-yaml/lib/loader.js:758:7)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1442:11)
    at readBlockMapping (/node/node_modules/js-yaml/lib/loader.js:1104:12)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1441:12)
    at readDocument (/node/node_modules/js-yaml/lib/loader.js:1625:3)
    at loadDocuments (/node/node_modules/js-yaml/lib/loader.js:1688:5)
    at Object.loadAll (/node/node_modules/js-yaml/lib/loader.js:1701:19)
    at Object.<anonymous> (/yaml/bin/js-jsyaml-json:7:13) {
  reason: 'missed comma between flow collection entries',
  mark: {
    name: null,
    buffer: '---\n{ matches\n% : 20 }\n...\n---\n# Empty\n...\n',
    position: 16,
    line: 2,
    column: 2,
    snippet: ' 1 | ---\n 2 | { matches\n 3 | % : 20 }\n-------^\n 4 | ...\n 5 | ---'
  }
}

Node.js v20.13.1

lua-lyaml-json

 error
luajit: 3:3: did not find expected ',' or '}'
stack traceback:
	[C]: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:306: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:325: in function 'parse'
	/usr/local/share/lua/5.1/lyaml/init.lua:443: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:340: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:497: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x556b2bd2aed0

perl-pplibyaml-json

 error
YAML::PP::LibYAML Error: The problem:

    did not find expected ',' or '}'

was found at , line: 3, column: 3
while parsing a flow mapping at line: 2, column: 1

perl-pplibyaml-perl

 error
YAML::PP::LibYAML Error: The problem:

    did not find expected ',' or '}'

was found at , line: 3, column: 3
while parsing a flow mapping at line: 2, column: 1

perl-syck-json

 error
Syck parser (line 3, column 1): 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 3, column 1): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

perl-xs-json

 error
YAML::XS::Load Error: The problem:

    did not find expected ',' or '}'

was found at document: 1, line: 3, column: 3
while parsing a flow mapping at line: 2, column: 1

perl-xs-perl

 error
YAML::XS::Load Error: The problem:

    did not find expected ',' or '}'

was found at document: 1, line: 3, column: 3
while parsing a flow mapping at line: 2, column: 1

perl-yaml-json

 error
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 2
   Document: 2
 at /perl5/lib/perl5/YAML/Loader.pm line 88.

perl-yaml-perl

 error
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 2
   Document: 2
 at /perl5/lib/perl5/YAML/Loader.pm line 88.

py-pyyaml-event

 error
+STR
+DOC ---
+MAP {}
=VAL :matches %
=VAL :
Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-event", line 7, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 75, in parse
    while loader.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 549, in parse_flow_mapping_key
    raise ParserError("while parsing a flow mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^

py-pyyaml-json

 error
Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-json", line 19, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 549, in parse_flow_mapping_key
    raise ParserError("while parsing a flow mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^

py-pyyaml-py

 error
Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-py", line 36, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 549, in parse_flow_mapping_key
    raise ParserError("while parsing a flow mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^

py-ruamel-event

 error
+STR
+DOC ---
+MAP {}
=VAL :matches %
=VAL :
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-event", line 9, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 371, in parse
    while parser.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 747, in parse_flow_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^ (line: 2)
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^ (line: 3)

py-ruamel-json

 error
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-json", line 21, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 130, in compose_node
    node = self.compose_mapping_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 204, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 747, in parse_flow_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^ (line: 2)
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^ (line: 3)

py-ruamel-py

 error
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-py", line 38, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 130, in compose_node
    node = self.compose_mapping_node(anchor)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 204, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 747, in parse_flow_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a flow mapping
  in "<unicode string>", line 2, column 1:
    { matches
    ^ (line: 2)
expected ',' or '}', but got ':'
  in "<unicode string>", line 3, column 3:
    % : 20 }
      ^ (line: 3)

ruby-psych-json

 error
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): did not find expected ',' or '}' while parsing a flow mapping at line 2 column 1 (Psych::SyntaxError)
	from /ruby/gems/psych/lib/psych.rb:458:in `parse_stream'
	from /ruby/gems/psych/lib/psych.rb:632:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'

rust-yamlrust-event

 error
+STR
+DOC
+MAP
=VAL :matches %
=VAL :
Error: ScanError { mark: Marker { index: 16, line: 3, col: 2 }, info: "while parsing a flow mapping, did not find expected ',' or '}'" }

hs-reference-yeast

 na
Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 =HEAD|---
   1    3    3    3 =EOL |\x0a
   2    0    4    4 +NODE|
   2    0    4    4 +MAP |
   2    0    4    4 =SYNX|{
   2    1    5    5 =WSPC|.
   2    2    6    6 +PAIR|
   2    2    6    6 +NODE|
   2    2    6    6 +VAL |
   2    2    6    6 =TEXT|matches
   2    9   13   13 =FOLD|\x0a
   3    0   14   14 =TEXT|%
   3    1   15   15 -VAL |
   3    1   15   15 -NODE|
   3    1   15   15 =WSPC|.
   3    2   16   16 =SYNX|:
   3    3   17   17 =WSPC|.
   3    4   18   18 +NODE|
   3    4   18   18 +VAL |
   3    4   18   18 =TEXT|20
   3    6   20   20 -VAL |
   3    6   20   20 -NODE|
   3    6   20   20 -PAIR|
   3    6   20   20 =WSPC|.
   3    7   21   21 =SYNX|}
   3    8   22   22 -MAP |
   3    8   22   22 -NODE|
   3    8   22   22 =EOL |\x0a
   4    0   23   23 -DOC |
   4    0   23   23 =FOOT|...
   4    3   26   26 =EOL |\x0a
   5    0   27   27 +DOC |
   5    0   27   27 =HEAD|---
   5    3   30   30 +NODE|
   5    3   30   30 +VAL |
   5    3   30   30 -VAL |
   5    3   30   30 -NODE|
   5    3   30   30 =EOL |\x0a
   6    0   31   31 +COMM|
   6    0   31   31 =SYNX|#
   6    1   32   32 =META|.Empty
   6    7   38   38 -COMM|
   6    7   38   38 =EOL |\x0a
   7    0   39   39 -DOC |
   7    0   39   39 =FOOT|...
   7    3   42   42 =EOL |\x0a

perl-pp-perl

 na
{
  'matches %' => 20
}
undef

perl-tiny-json

 ni
YAML::Tiny failed to classify line '{ matches' at /yaml/bin/perl-tiny-json line 12.

perl-tiny-perl

 ni
YAML::Tiny failed to classify line '{ matches' at /yaml/bin/perl-tiny-perl line 15.