# YAML Test Matrix

--- &test-JY7Z
  Title: Trailing content that looks like a mapping
  Tags: [ double, error, mapping ]

YAML

key1: "quoted1"
key2: "quoted2" no key: nor value
key3: "quoted3"

Expected Events

+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2

Expected JSON






   


cpp-rapidyaml-event

 invalid_incorrect 
+STR
+DOC
+MAP
=VAL :key1
=VAL 'quoted1
=VAL :key2
=VAL 'quoted2
=VAL :no key
=VAL :nor value
=VAL :key3
=VAL 'quoted3
-MAP
-DOC
-STR


 



  


hs-reference-yeast

 invalid_incorrect 
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 +NODE|
   1    0    0    0 +VAL |
   1    0    0    0 =TEXT|key1
   1    4    4    4 -VAL |
   1    4    4    4 -NODE|
   1    4    4    4 =SYNX|:
   1    5    5    5 =WSPC|.
   1    6    6    6 +NODE|
   1    6    6    6 +VAL |
   1    6    6    6 =SYNX|"
   1    7    7    7 =TEXT|quoted1
   1   14   14   14 =SYNX|"
   1   15   15   15 -VAL |
   1   15   15   15 -NODE|
   1   15   15   15 =EOL |\x0a
   2    0   16   16 -PAIR|
   2    0   16   16 +PAIR|
   2    0   16   16 +NODE|
   2    0   16   16 +VAL |
   2    0   16   16 =TEXT|key2
   2    4   20   20 -VAL |
   2    4   20   20 -NODE|
   2    4   20   20 =SYNX|:
   2    5   21   21 =WSPC|.
   2    6   22   22 +NODE|
   2    6   22   22 +VAL |
   2    6   22   22 =SYNX|"
   2    7   23   23 =TEXT|quoted2
   2   14   30   30 =SYNX|"
   2   15   31   31 -VAL |
   2   15   31   31 -NODE|
   2   15   31   31 =ERR |Expected.start.of.line
   2   15   31   31 =REST|.no.key:.nor.value
   2   33   49   49 =REST|\x0a
   3    0   50   50 -PAIR|
   3    0   50   50 +PAIR|
   3    0   50   50 +NODE|
   3    0   50   50 +VAL |
   3    0   50   50 =TEXT|key3
   3    4   54   54 -VAL |
   3    4   54   54 -NODE|
   3    4   54   54 =SYNX|:
   3    5   55   55 =WSPC|.
   3    6   56   56 +NODE|
   3    6   56   56 +VAL |
   3    6   56   56 =SYNX|"
   3    7   57   57 =TEXT|quoted3
   3   14   64   64 =SYNX|"
   3   15   65   65 -VAL |
   3   15   65   65 -NODE|
   3   15   65   65 =EOL |\x0a
   4    0   66   66 -PAIR|
   4    0   66   66 -MAP |
   4    0   66   66 -NODE|
   4    0   66   66 -DOC |


 



 
    


c-libfyaml-event

 invalid_correct 
stdin:2:17: error: invalid trailing content after double-quoted scalar
key2: "quoted2" no key: nor value
                ^
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2


 



  


c-libfyaml-json

 invalid_correct 
stdin:2:17: error: invalid trailing content after double-quoted scalar
key2: "quoted2" no key: nor value
                ^


 



  


c-libyaml-event

 invalid_correct 
Parse error: did not find expected key
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


cpp-yamlcpp-event

 invalid_correct 
Exception:
yaml-cpp: error at line 2, column 17: end of map not found
+STR
+DOC
+MAP
=VAL :key1
=VAL :quoted1
=VAL :key2
=VAL :quoted2


 



  


dotnet-yamldotnet-event

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 23, Idx: 38) - (Line: 2, Col: 23, Idx: 38): While scanning a plain scalar value, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseBlockMappingKey(Boolean isFirst)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.RepresentationModel.LibYamlEventStream.WriteTo(TextWriter textWriter)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


dotnet-yamldotnet-json

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 23, Idx: 38) - (Line: 2, Col: 23, Idx: 38): While scanning a plain scalar value, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseBlockMappingKey(Boolean isFirst)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Core.ParserExtensions.TryConsume[T](IParser parser, T& event)
   at YamlDotNet.Serialization.NodeDeserializers.ScalarNodeDeserializer.YamlDotNet.Serialization.INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func`3 nestedObjectDeserializer, Object& value)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.AliasValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.<>c__DisplayClass3_0.<DeserializeValue>b__0(IParser r, Type t)
   at YamlDotNet.Serialization.NodeDeserializers.DictionaryNodeDeserializer.DeserializeHelper(Type tKey, Type tValue, IParser parser, Func`3 nestedObjectDeserializer, IDictionary result)
   at YamlDotNet.Serialization.NodeDeserializers.DictionaryNodeDeserializer.YamlDotNet.Serialization.INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func`3 nestedObjectDeserializer, Object& value)
   at YamlDotNet.Serialization.ValueDeserializers.NodeValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   at YamlDotNet.Serialization.ValueDeserializers.AliasValueDeserializer.DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
   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

 invalid_correct 
yaml: line 1: did not find expected key


 



  


hs-hsyaml-event

 invalid_correct 
Parsing error near byte offset Pos {posByteOffset = 31, posCharOffset = 31, posLine = 2, posColumn = 15} (Expected start of line)
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


hs-hsyaml-json

 invalid_correct 
hsyaml-parser: user error (Expected start of line)


 



  


js-jsyaml-json

 invalid_correct 
/node/node_modules/js-yaml/lib/loader.js:187
  throw generateError(state, message);
  ^
YAMLException: bad indentation of a mapping entry (2:17)

 1 | key1: "quoted1"
 2 | key2: "quoted2" no key: nor value
---------------------^
 3 | key3: "quoted3"
    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 readBlockMapping (/node/node_modules/js-yaml/lib/loader.js:1182:7)
    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)
    at Module._compile (node:internal/modules/cjs/loader:1358:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1416:10) {
  reason: 'bad indentation of a mapping entry',
  mark: {
    name: null,
    buffer: 'key1: "quoted1"\nkey2: "quoted2" no key: nor value\nkey3: "quoted3"\n',
    position: 32,
    line: 1,
    column: 16,
    snippet: ' 1 | key1: "quoted1"\n' +
      ' 2 | key2: "quoted2" no key: nor value\n' +
      '---------------------^\n' +
      ' 3 | key3: "quoted3"'
  }
}

Node.js v20.13.1


 



  


js-yaml-event

 invalid_correct 
Nested mappings are not allowed in compact mappings at line 2, column 7:

key2: "quoted2" no key: nor value
      ^
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2


 



  


js-yaml-json

 invalid_correct 
/yaml/bin/js-yaml-json:9
    if (doc.errors.length !== 0) throw doc.errors[0]
                                 ^

YAMLParseError: Nested mappings are not allowed in compact mappings at line 2, column 7:

key2: "quoted2" no key: nor value
      ^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:69:34)
    at Object.resolveBlockMap (/node/node_modules/yaml/dist/compose/resolve-block-map.js:76:21)
    at resolveCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:13:27)
    at Object.composeCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:47:16)
    at Object.composeNode (/node/node_modules/yaml/dist/compose/compose-node.js:31:38)
    at Object.composeDoc (/node/node_modules/yaml/dist/compose/compose-doc.js:34:23)
    at Composer.next (/node/node_modules/yaml/dist/compose/composer.js:149:40)
    at next (<anonymous>)
    at Composer.compose (/node/node_modules/yaml/dist/compose/composer.js:131:25)
    at compose.next (<anonymous>) {
  code: 'BLOCK_AS_IMPLICIT_KEY',
  pos: [ 22, 23 ],
  linePos: [ { line: 2, col: 7 }, { line: 2, col: 8 } ]
}

Node.js v20.13.1


 



  


lua-lyaml-json

 invalid_correct 
luajit: 2:7: did not find expected key
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 0x558eec84eed0


 



  


nim-nimyaml-event

 invalid_correct 
/tmp/NimYAML-0.16.0/yaml/stream.nim(134) nimyaml_event
/tmp/NimYAML-0.16.0/yaml/stream.nim(106) next
Error: unhandled exception: Unexpected content after node in block context (expected newline): Plain [YamlStreamError]
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


perl-pp-event

 invalid_correct 
Line      : 2
Column    : 16
Expected  : EOL
Got       : WS
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : " no key: nor value\n"
  at /yaml/bin/perl-pp-event line 46.
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2


 



  


perl-pp-json

 invalid_correct 
Line      : 2
Column    : 16
Expected  : EOL
Got       : WS
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : " no key: nor value\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pp-perl

 invalid_correct 
Line      : 2
Column    : 16
Expected  : EOL
Got       : WS
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : " no key: nor value\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pplibyaml-json

 invalid_correct 
YAML::PP::LibYAML Error: The problem:

    did not find expected key

was found at , line: 2, column: 17
while parsing a block mapping at line: 1, column: 1


 



  


perl-pplibyaml-perl

 invalid_correct 
YAML::PP::LibYAML Error: The problem:

    did not find expected key

was found at , line: 2, column: 17
while parsing a block mapping at line: 1, column: 1


 



  


perl-refparser-event

 invalid_correct 
Parser finished before end of input at /perl5/lib/perl5/YAML/Parser.pm line 4056, <> line 1.


 



  


perl-syck-json

 invalid_correct 
Syck parser (line 2, column 22): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.


 



  


perl-syck-perl

 invalid_correct 
Syck parser (line 2, column 22): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.


 



  


perl-tiny-json

 invalid_correct 
YAML::Tiny does not support a feature in line '"quoted2" no key: nor value' at /yaml/bin/perl-tiny-json line 12.


 



  


perl-tiny-perl

 invalid_correct 
YAML::Tiny does not support a feature in line '"quoted2" no key: nor value' at /yaml/bin/perl-tiny-perl line 15.


 



  


perl-xs-json

 invalid_correct 
YAML::XS::Load Error: The problem:

    did not find expected key

was found at document: 1, line: 2, column: 17
while parsing a block mapping at line: 1, column: 1


 



  


perl-xs-perl

 invalid_correct 
YAML::XS::Load Error: The problem:

    did not find expected key

was found at document: 1, line: 2, column: 17
while parsing a block mapping at line: 1, column: 1


 



  


perl-yaml-json

 invalid_correct 
YAML Error: Couldn't parse single line value
   Code: YAML_PARSE_ERR_SINGLE_LINE
   Line: 3
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 164.


 



  


perl-yaml-perl

 invalid_correct 
YAML Error: Couldn't parse single line value
   Code: YAML_PARSE_ERR_SINGLE_LINE
   Line: 3
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 164.


 



  


py-pyyaml-event

 invalid_correct 
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 438, in parse_block_mapping_key
    raise ParserError("while parsing a block mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


py-pyyaml-json

 invalid_correct 
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 438, in parse_block_mapping_key
    raise ParserError("while parsing a block mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^


 



  


py-pyyaml-py

 invalid_correct 
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 438, in parse_block_mapping_key
    raise ParserError("while parsing a block mapping", self.marks[-1],
yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^


 



  


py-ruamel-event

 invalid_correct 
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 614, in parse_block_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^ (line: 1)
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^ (line: 2)
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2


 



  


py-ruamel-json

 invalid_correct 
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 614, in parse_block_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^ (line: 1)
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^ (line: 2)


 



  


py-ruamel-py

 invalid_correct 
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 614, in parse_block_mapping_key
    raise ParserError(
ruamel.yaml.parser.ParserError: while parsing a block mapping
  in "<unicode string>", line 1, column 1:
    key1: "quoted1"
    ^ (line: 1)
expected <block end>, but found '<scalar>'
  in "<unicode string>", line 2, column 17:
    key2: "quoted2" no key: nor value
                    ^ (line: 2)


 



  


ruby-psych-json

 invalid_correct 
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): did not find expected key while parsing a block mapping at line 1 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

 invalid_correct 
Error: ScanError { mark: Marker { index: 32, line: 2, col: 16 }, info: "while parsing a block mapping, did not find expected key" }
+STR
+DOC
+MAP
=VAL :key1
=VAL "quoted1
=VAL :key2
=VAL "quoted2