# YAML Test Matrix

--- &test-EW3V
  Title: Wrong indendation in mapping
  Tags: [ error, indent, mapping ]

YAML

k1: v1
 k2: v2

Expected Events

+STR
+DOC
+MAP
=VAL :k1

Expected JSON






   


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|k1
   1    2    2    2 -VAL |
   1    2    2    2 -NODE|
   1    2    2    2 =SYNX|:
   1    3    3    3 =WSPC|.
   1    4    4    4 +NODE|
   1    4    4    4 +VAL |
   1    4    4    4 =TEXT|v1
   1    6    6    6 =FOLD|\x0a
   2    0    7    7 =DENT|.
   2    1    8    8 =TEXT|k2
   2    3   10   10 -VAL |
   2    3   10   10 -NODE|
   2    3   10   10 =ERR |Expected.start.of.line
   2    3   10   10 =REST|:.v2
   2    7   14   14 =REST|\x0a
   3    0   15   15 -PAIR|
   3    0   15   15 -MAP |
   3    0   15   15 -NODE|
   3    0   15   15 -DOC |


 



  


raku-yamlish-json

 invalid_incorrect 
{ "k1" : "v1 k2: v2" }


 



  


raku-yamlish-raku

 invalid_incorrect 
{
  k1 => "v1 k2: v2".Str,
}


 



 
    


c-libfyaml-event

 invalid_correct 
stdin:1:5: error: invalid multiline plain key
k1: v1
    ^~
 k2: v2
~~~
+STR
+DOC
+MAP
=VAL :k1


 



  


c-libfyaml-json

 invalid_correct 
stdin:1:5: error: invalid multiline plain key
k1: v1
    ^~
 k2: v2
~~~


 



  


c-libyaml-event

 invalid_correct 
Parse error: mapping values are not allowed in this context
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


cpp-rapidyaml-event

 invalid_correct 
-:2:4: (10B): ERROR: ': ' is not a valid token in plain flow (unquoted) scalars
-:2:4:  k2: v2  (size=7)
          ^~~~  (cols 4-8)


 



  


cpp-yamlcpp-event

 invalid_correct 
Exception:
yaml-cpp: error at line 2, column 4: illegal map value
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


dotnet-yamldotnet-event

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 4, Idx: 10) - (Line: 2, Col: 4, Idx: 10): While scanning a plain scalar value, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseNode(Boolean isBlock, Boolean isIndentlessSequence)
   at YamlDotNet.Core.Parser.ParseBlockMappingValue()
   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 :k1


 



  


dotnet-yamldotnet-json

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 4, Idx: 10) - (Line: 2, Col: 4, Idx: 10): While scanning a plain scalar value, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseNode(Boolean isBlock, Boolean isIndentlessSequence)
   at YamlDotNet.Core.Parser.ParseBlockMappingValue()
   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 2: mapping values are not allowed in this context


 



  


hs-hsyaml-event

 invalid_correct 
Parsing error near byte offset Pos {posByteOffset = 10, posCharOffset = 10, posLine = 2, posColumn = 3} (Expected start of line)
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


hs-hsyaml-json

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


 



  


java-snakeengine-event

 invalid_correct 
Exception in thread "main" mapping values are not allowed here
 in reader, line 2, column 4:
     k2: v2
       ^

	at org.snakeyaml.engine.v2.scanner.ScannerImpl.fetchValue(ScannerImpl.java:836)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:351)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.checkToken(ScannerImpl.java:193)
	at org.snakeyaml.engine.v2.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:671)
	at org.snakeyaml.engine.v2.parser.ParserImpl.lambda$produce$0(ParserImpl.java:185)
	at java.util.Optional.ifPresent(Optional.java:159)
	at org.snakeyaml.engine.v2.parser.ParserImpl.produce(ParserImpl.java:185)
	at org.snakeyaml.engine.v2.parser.ParserImpl.hasNext(ParserImpl.java:210)
	at org.yaml.editor.SnakeEngine2Events.yamlToEvents(SnakeEngine2Events.java:15)
	at org.yaml.editor.SnakeEngine2Events.main(SnakeEngine2Events.java:23)


 



  


java-snakeengine-json

 invalid_correct 
Exception in thread "main" mapping values are not allowed here
 in 'reader', line 2, column 4:
     k2: v2
       ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:911)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:400)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:642)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.comments.CommentEventsCollector$1.peek(CommentEventsCollector.java:59)
	at org.yaml.snakeyaml.comments.CommentEventsCollector$1.peek(CommentEventsCollector.java:45)
	at org.yaml.snakeyaml.comments.CommentEventsCollector.collectEvents(CommentEventsCollector.java:140)
	at org.yaml.snakeyaml.comments.CommentEventsCollector.collectEvents(CommentEventsCollector.java:119)
	at org.yaml.snakeyaml.composer.Composer.composeScalarNode(Composer.java:217)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:187)
	at org.yaml.snakeyaml.composer.Composer.composeValueNode(Composer.java:317)
	at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:308)
	at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:289)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:191)
	at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:116)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getData(BaseConstructor.java:135)
	at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:514)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:20)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:27)


 



  


java-snakeyaml-event

 invalid_correct 
Exception in thread "main" mapping values are not allowed here
 in 'reader', line 2, column 4:
     k2: v2
       ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:911)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:400)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:642)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.Yaml$3.hasNext(Yaml.java:677)
	at org.yaml.editor.Snake2Events.yamlToEvents(Snake2Events.java:134)
	at org.yaml.editor.Snake2Events.main(Snake2Events.java:142)


 



  


java-snakeyaml-json

 invalid_correct 
Exception in thread "main" mapping values are not allowed here
 in 'reader', line 2, column 4:
     k2: v2
       ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:911)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:400)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:642)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.comments.CommentEventsCollector$1.peek(CommentEventsCollector.java:59)
	at org.yaml.snakeyaml.comments.CommentEventsCollector$1.peek(CommentEventsCollector.java:45)
	at org.yaml.snakeyaml.comments.CommentEventsCollector.collectEvents(CommentEventsCollector.java:140)
	at org.yaml.snakeyaml.comments.CommentEventsCollector.collectEvents(CommentEventsCollector.java:119)
	at org.yaml.snakeyaml.composer.Composer.composeScalarNode(Composer.java:217)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:187)
	at org.yaml.snakeyaml.composer.Composer.composeValueNode(Composer.java:317)
	at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:308)
	at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:289)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:191)
	at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:116)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getData(BaseConstructor.java:135)
	at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:514)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:20)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:27)


 



  


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 (2:4)

 1 | k1: v1
 2 |  k2: v2
--------^
    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 (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)


 



  


js-yaml-event

 invalid_correct 
Nested mappings are not allowed in compact mappings at line 1, column 5:

k1: v1
    ^
+STR
+DOC
+MAP
=VAL :k1


 



  


js-yaml-json

 invalid_correct 
/yaml/bin/js-yaml-json:8
  if (doc.errors.length !== 0) throw doc.errors[0]
                               ^

YAMLParseError: Nested mappings are not allowed in compact mappings at line 1, column 5:

k1: v1
    ^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:71:34)
    at Object.resolveBlockMap (/node/node_modules/yaml/dist/compose/resolve-block-map.js:72:21)
    at Object.composeCollection (/node/node_modules/yaml/dist/compose/compose-collection.js:13:36)
    at Object.composeNode (/node/node_modules/yaml/dist/compose/compose-node.js:30:38)
    at Object.composeDoc (/node/node_modules/yaml/dist/compose/compose-doc.js:32:23)
    at Composer.next (/node/node_modules/yaml/dist/compose/composer.js:152:40)
    at next (<anonymous>)
    at Composer.compose (/node/node_modules/yaml/dist/compose/composer.js:134:25)
    at compose.next (<anonymous>)
    at Function.from (<anonymous>)


 



  


lua-lyaml-json

 invalid_correct 
luajit: 1:5: mapping values are not allowed in this context
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 0x5562c8df6f97


 



  


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: Compact notation not allowed after implicit key [YamlStreamError]
+STR
+DOC
+MAP
=VAL :k1


 



  


perl-pp-event

 invalid_correct 
Line      : 2
Column    : 4
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": v2\n"
  at /yaml/bin/perl-pp-event line 25.
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


perl-pp-json

 invalid_correct 
Line      : 2
Column    : 4
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": v2\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pp-perl

 invalid_correct 
Line      : 2
Column    : 4
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": v2\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pplibyaml-json

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

    mapping values are not allowed in this context

was found at , line: 2, column: 4


 



  


perl-pplibyaml-perl

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

    mapping values are not allowed in this context

was found at , line: 2, column: 4


 



  


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 4): 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 4): 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 found bad indenting in line ' k2: v2' at /yaml/bin/perl-tiny-json line 12.


 



  


perl-tiny-perl

 invalid_correct 
YAML::Tiny found bad indenting in line ' k2: v2' at /yaml/bin/perl-tiny-perl line 15.


 



  


perl-xs-json

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

    mapping values are not allowed in this context

was found at document: 1, line: 2, column: 4


 



  


perl-xs-perl

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

    mapping values are not allowed in this context

was found at document: 1, line: 2, column: 4


 



  


perl-yaml-json

 invalid_correct 
YAML Error: Inconsistent indentation level
   Code: YAML_PARSE_ERR_INCONSISTENT_INDENTATION
   Line: 2
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 804.


 



  


perl-yaml-perl

 invalid_correct 
YAML Error: Inconsistent indentation level
   Code: YAML_PARSE_ERR_INCONSISTENT_INDENTATION
   Line: 2
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 804.


 



  


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/python3.7/site-packages/yaml/__init__.py", line 46, in parse
    while loader.check_event():
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 428, in parse_block_mapping_key
    if self.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


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/python3.7/site-packages/yaml/__init__.py", line 93, in load_all
    yield loader.get_data()
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 428, in parse_block_mapping_key
    if self.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^


 



  


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/python3.7/site-packages/yaml/__init__.py", line 93, in load_all
    yield loader.get_data()
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 428, in parse_block_mapping_key
    if self.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^


 



  


py-ruamel-event

 invalid_correct 
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-event", line 7, in <module>
    for event in ruamel.yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1024, in parse
    while loader._parser.check_event():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 598, in parse_block_mapping_key
    if self.scanner.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 288, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 661, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^ (line: 2)
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2


 



  


py-ruamel-json

 invalid_correct 
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-json", line 19, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1097, in load_all
    yield loader._constructor.get_data()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 114, in get_data
    return self.construct_document(self.composer.get_node())
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 66, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 99, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 143, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 216, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 598, in parse_block_mapping_key
    if self.scanner.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 288, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 661, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^ (line: 2)


 



  


py-ruamel-py

 invalid_correct 
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-py", line 36, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1097, in load_all
    yield loader._constructor.get_data()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 114, in get_data
    return self.construct_document(self.composer.get_node())
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 66, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 99, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 143, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 216, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 598, in parse_block_mapping_key
    if self.scanner.check_token(KeyToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 288, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 661, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 2, column 4:
     k2: v2
       ^ (line: 2)


 



  


ruby-psych-json

 invalid_correct 
/ruby/gems/psych/lib/psych.rb:459:in `parse': (<unknown>): mapping values are not allowed in this context at line 2 column 4 (Psych::SyntaxError)
	from /ruby/gems/psych/lib/psych.rb:459:in `parse_stream'
	from /ruby/gems/psych/lib/psych.rb:565:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'


 



  


rust-yamlrust-event

 invalid_correct 
Error: ScanError { mark: Marker { index: 10, line: 2, col: 3 }, info: "mapping values are not allowed in this context" }
+STR
+DOC
+MAP
=VAL :k1
=VAL :v1 k2