# YAML Test Matrix

--- &test-TD5N
  Title: Invalid scalar after sequence
  Tags: [ error, scalar, sequence ]

YAML

- item1
- item2
invalid

Expected Events

+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2

Expected JSON






   


cpp-yamlcpp-event

 invalid_incorrect 
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2
-SEQ
-DOC
+DOC
=VAL :invalid
-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 +SEQ |
   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|item1
   1    7    7    7 -VAL |
   1    7    7    7 -NODE|
   1    7    7    7 =EOL |\x0a
   2    0    8    8 =SYNX|-
   2    1    9    9 =WSPC|.
   2    2   10   10 +NODE|
   2    2   10   10 +VAL |
   2    2   10   10 =TEXT|item2
   2    7   15   15 -VAL |
   2    7   15   15 -NODE|
   2    7   15   15 =EOL |\x0a
   3    0   16   16 -SEQ |
   3    0   16   16 -NODE|
   3    0   16   16 -DOC |
   3    0   16   16 =ERR |Unexpected.'i'


 



 
    


c-libfyaml-event

 invalid_correct 
stdin:3:1: error: invalid scalar at the end of block sequence
invalid
^~~~~~~
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


c-libfyaml-json

 invalid_correct 
stdin:3:1: error: invalid scalar at the end of block sequence
invalid
^~~~~~~


 



  


c-libyaml-event

 invalid_correct 
Parse error: could not find expected ':'
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


cpp-rapidyaml-event

 invalid_correct 
-:3:1: (16B): ERROR: parse error
-:3:1: invalid  (size=7)
       ^~~~~~~  (cols 1-8)


 



  


dotnet-yamldotnet-event

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 3, Col: 1, Idx: 16) - (Line: 3, Col: 8, Idx: 23): While parsing a block collection, did not find expected '-' indicator.
   at YamlDotNet.Core.Parser.ParseBlockSequenceEntry(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
+SEQ
=VAL :item1
=VAL :item2


 



  


dotnet-yamldotnet-json

 invalid_correct 
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 3, Col: 1, Idx: 16) - (Line: 3, Col: 8, Idx: 23): While parsing a block collection, did not find expected '-' indicator.
   at YamlDotNet.Core.Parser.ParseBlockSequenceEntry(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.CollectionNodeDeserializer.DeserializeHelper(Type tItem, IParser parser, Func`3 nestedObjectDeserializer, IList result, Boolean canUpdate)
   at YamlDotNet.Serialization.NodeDeserializers.CollectionNodeDeserializer.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 4: could not find expected ':'


 



  


hs-hsyaml-event

 invalid_correct 
Parsing error near byte offset Pos {posByteOffset = 16, posCharOffset = 16, posLine = 3, posColumn = 0} (Unexpected 'i')
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2
-SEQ
-DOC


 



  


hs-hsyaml-json

 invalid_correct 
hsyaml-parser: user error (Unexpected 'i')


 



  


java-snakeengine-event

 invalid_correct 
Exception in thread "main" while scanning a simple key
 in reader, line 3, column 1:
    invalid
    ^
could not find expected ':'
 in reader, line 4, column 1:
    
    ^

	at org.snakeyaml.engine.v2.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:454)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:272)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.checkToken(ScannerImpl.java:192)
	at org.snakeyaml.engine.v2.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:570)
	at org.snakeyaml.engine.v2.parser.ParserImpl.lambda$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" while scanning a simple key
 in 'reader', line 3, column 1:
    invalid
    ^
could not find expected ':'
 in 'reader', line 4, column 1:
    
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:506)
	at org.yaml.snakeyaml.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:320)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:250)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:546)
	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.composeSequenceNode(Composer.java:248)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:189)
	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" while scanning a simple key
 in 'reader', line 3, column 1:
    invalid
    ^
could not find expected ':'
 in 'reader', line 4, column 1:
    
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:506)
	at org.yaml.snakeyaml.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:320)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:250)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:546)
	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" while scanning a simple key
 in 'reader', line 3, column 1:
    invalid
    ^
could not find expected ':'
 in 'reader', line 4, column 1:
    
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:506)
	at org.yaml.snakeyaml.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:320)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:250)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:546)
	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.composeSequenceNode(Composer.java:248)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:189)
	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: end of the stream or a document separator is expected (3:1)

 1 | - item1
 2 | - item2
 3 | invalid
-----^
    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 readDocument (/node/node_modules/js-yaml/lib/loader.js:1645:5)
    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)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)


 



  


js-yaml-event

 invalid_correct 
Unexpected scalar at node end at line 3, column 1:

- item2
invalid
^^^^^^^
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2
-SEQ
-DOC
-STR


 



  


js-yaml-json

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

YAMLParseError: Unexpected scalar at node end at line 3, column 1:

- item2
invalid
^^^^^^^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:71:34)
    at Object.resolveEnd (/node/node_modules/yaml/dist/compose/resolve-end.js:31:21)
    at Object.composeDoc (/node/node_modules/yaml/dist/compose/compose-doc.js:35:27)
    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>)
    at Object.parseAllDocuments (/node/node_modules/yaml/dist/public-api.js:28:24)
    at Object.<anonymous> (/yaml/bin/js-yaml-json:7:19)


 



  


lua-lyaml-json

 invalid_correct 
luajit: 2:3: could not find expected ':'
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:393: 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 0x55f1d544ff97


 



  


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: Illegal token (expected block sequence indicator): Plain [YamlStreamError]
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


perl-pp-event

 invalid_correct 
Line      : 3
Column    : 1
Expected  : DASH DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid"
  at /yaml/bin/perl-pp-event line 25.
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


perl-pp-json

 invalid_correct 
Line      : 3
Column    : 1
Expected  : DASH DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pp-perl

 invalid_correct 
Line      : 3
Column    : 1
Expected  : DASH DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pplibyaml-json

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

    could not find expected ':'

was found at , line: 4, column: 1
while scanning a simple key at line: 3, column: 1


 



  


perl-pplibyaml-perl

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

    could not find expected ':'

was found at , line: 4, column: 1
while scanning a simple key at line: 3, 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 4, column -1): 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 4, column -1): 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 failed to classify line 'invalid' at /yaml/bin/perl-tiny-json line 12.


 



  


perl-tiny-perl

 invalid_correct 
YAML::Tiny failed to classify line 'invalid' at /yaml/bin/perl-tiny-perl line 15.


 



  


perl-xs-json

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

    could not find expected ':'

was found at document: 1, line: 4, column: 1
while scanning a simple key at line: 3, column: 1


 



  


perl-xs-perl

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

    could not find expected ':'

was found at document: 1, line: 4, column: 1
while scanning a simple key at line: 3, column: 1


 



  


perl-yaml-json

 invalid_correct 
YAML Error: Invalid element in sequence
   Code: YAML_LOAD_ERR_BAD_SEQ_ELEMENT
   Line: 3
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 397.


 



  


perl-yaml-perl

 invalid_correct 
YAML Error: Invalid element in sequence
   Code: YAML_LOAD_ERR_BAD_SEQ_ELEMENT
   Line: 3
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 397.


 



  


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 382, in parse_block_sequence_entry
    if self.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 115, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 152, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 292, in stale_possible_simple_keys
    "could not find expected ':'", self.get_mark())
yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


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 82, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
  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 382, in parse_block_sequence_entry
    if self.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 115, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 152, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 292, in stale_possible_simple_keys
    "could not find expected ':'", self.get_mark())
yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^


 



  


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 82, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
  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 382, in parse_block_sequence_entry
    if self.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 115, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 152, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 292, in stale_possible_simple_keys
    "could not find expected ':'", self.get_mark())
yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^


 



  


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 530, in parse_block_sequence_entry
    if self.scanner.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 174, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 211, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 364, in stale_possible_simple_keys
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^ (line: 3)
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^ (line: 4)
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2


 



  


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 141, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 184, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
  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 530, in parse_block_sequence_entry
    if self.scanner.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 174, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 211, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 364, in stale_possible_simple_keys
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^ (line: 3)
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^ (line: 4)


 



  


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 141, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 184, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
  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 530, in parse_block_sequence_entry
    if self.scanner.check_token(BlockEntryToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 174, in check_token
    while self.need_more_tokens():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 211, in need_more_tokens
    self.stale_possible_simple_keys()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 364, in stale_possible_simple_keys
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 3, column 1:
    invalid
    ^ (line: 3)
could not find expected ':'
  in "<unicode string>", line 4, column 1:
    
    ^ (line: 4)


 



  


raku-yamlish-json

 invalid_correct 
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

 invalid_correct 
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


 



  


ruby-psych-json

 invalid_correct 
/ruby/gems/psych/lib/psych.rb:459:in `parse': (<unknown>): could not find expected ':' while scanning a simple key at line 3 column 1 (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: 16, line: 3, col: 0 }, info: "while parsing a block collection, did not find expected '-' indicator" }
+STR
+DOC
+SEQ
=VAL :item1
=VAL :item2