# YAML Test Matrix

--- &test-KS4U
  Title: Invalid item after end of flow sequence
  Tags: [ error, flow, sequence ]

YAML

---
[
sequence item
]
invalid item

Expected Events

+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ

Expected JSON



cpp-rapidyaml-event

 invalid_incorrect
+STR
+DOC ---
+SEQ
=VAL :sequence item
=VAL :invalid item
-SEQ
-DOC
-STR

cpp-yamlcpp-event

 invalid_incorrect
+STR
+DOC
+SEQ []
=VAL :sequence item
-SEQ
-DOC
+DOC
=VAL :invalid item
-DOC
-STR

hs-reference-yeast

 invalid_incorrect
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 +SEQ |
   2    0    4    4 =SYNX|[
   2    1    5    5 =EOL |\x0a
   3    0    6    6 +NODE|
   3    0    6    6 +VAL |
   3    0    6    6 =TEXT|sequence.item
   3   13   19   19 -VAL |
   3   13   19   19 -NODE|
   3   13   19   19 =EOL |\x0a
   4    0   20   20 =SYNX|]
   4    1   21   21 -SEQ |
   4    1   21   21 -NODE|
   4    1   21   21 =EOL |\x0a
   5    0   22   22 -DOC |
   5    0   22   22 =ERR |Unexpected.'i'

c-libfyaml-event

 invalid_correct
stdin:5:1: error: missing document start
invalid item
^~~~~~~~~~~~
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC

c-libfyaml-json

 invalid_correct
stdin:5:1: error: missing document start
invalid item
^~~~~~~~~~~~
[
  "sequence item"
]

c-libyaml-event

 invalid_correct
Parse error: did not find expected <document start>
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 5, Col: 1, Idx: 22) - (Line: 5, Col: 1, Idx: 22): Did not find expected <document end>.
   at YamlDotNet.Core.Parser.ParseDocumentEnd()
   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 :sequence item
-SEQ

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 5, Col: 1, Idx: 22) - (Line: 5, Col: 1, Idx: 22): Did not find expected <document end>.
   at YamlDotNet.Core.Parser.ParseDocumentEnd()
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   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: did not find expected <document start>
["sequence item"]

hs-hsyaml-event

 invalid_correct
Parsing error near byte offset Pos {posByteOffset = 22, posCharOffset = 22, posLine = 5, posColumn = 0} (Unexpected 'i')
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC

hs-hsyaml-json

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

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 (5:1)

 2 | [
 3 | sequence item
 4 | ]
 5 | invalid item
-----^
    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 (node:internal/modules/cjs/loader:1358:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1416:10)
    at Module.load (node:internal/modules/cjs/loader:1208:32)
    at Module._load (node:internal/modules/cjs/loader:1024:12) {
  reason: 'end of the stream or a document separator is expected',
  mark: {
    name: null,
    buffer: '---\n[\nsequence item\n]\ninvalid item\n',
    position: 22,
    line: 4,
    column: 0,
    snippet: ' 2 | [\n 3 | sequence item\n 4 | ]\n 5 | invalid item\n-----^'
  }
}

Node.js v20.13.1

js-yaml-event

 invalid_correct
Unexpected scalar at node end at line 5, column 1:

]
invalid item
^^^^^^^^^^^^
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC
-STR

js-yaml-json

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

YAMLParseError: Unexpected scalar at node end at line 5, column 1:

]
invalid item
^^^^^^^^^^^^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:69:34)
    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:37:27)
    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>)
    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) {
  code: 'UNEXPECTED_TOKEN',
  pos: [ 22, 34 ],
  linePos: [ { line: 5, col: 1 }, { line: 5, col: 13 } ]
}

Node.js v20.13.1

lua-lyaml-json

 invalid_correct
luajit: 5:1: did not find expected <document start>
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:496: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x5633fd056ed0

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 token (expected document end): Indentation [YamlStreamError]
+STR
+DOC ---
+SEQ
=VAL :sequence item
-SEQ

perl-pp-event

 invalid_correct
Line      : 5
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid item"
  at /yaml/bin/perl-pp-event line 46.
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ

perl-pp-json

 invalid_correct
Line      : 5
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid item"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pp-perl

 invalid_correct
Line      : 5
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "invalid item"
  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 <document start>

was found at , line: 5, column: 1

perl-pplibyaml-perl

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

    did not find expected <document start>

was found at , line: 5, 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 6, 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 6, 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 '[' at /yaml/bin/perl-tiny-json line 12.

perl-tiny-perl

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

perl-xs-json

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

    did not find expected <document start>

was found at document: 2, line: 5, column: 1

perl-xs-perl

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

    did not find expected <document start>

was found at document: 2, line: 5, column: 1

perl-yaml-json

 invalid_correct
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

 invalid_correct
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

 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 171, in parse_document_start
    raise ParserError(None, None,
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 5, column 1:
    invalid item
    ^
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC

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 129, in load_all
    while loader.check_data():
          ^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
           ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 18, in check_node
    if self.check_event(StreamStartEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  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 171, in parse_document_start
    raise ParserError(None, None,
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 5, column 1:
    invalid item
    ^
[
  "sequence item"
]

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 129, in load_all
    while loader.check_data():
          ^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
           ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 18, in check_node
    if self.check_event(StreamStartEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  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 171, in parse_document_start
    raise ParserError(None, None,
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 5, column 1:
    invalid item
    ^
['sequence item']

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 211, in parse_document_start
    raise ParserError(
ruamel.yaml.parser.ParserError: expected '<document start>', but found ('<scalar>',)
  in "<unicode string>", line 5, column 1:
    invalid item
    ^ (line: 5)
+STR
+DOC ---
+SEQ []
=VAL :sequence item
-SEQ
-DOC

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 475, in load_all
    while constructor.check_data():
          ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 105, in check_data
    return self.composer.check_node()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 54, in check_node
    if self.parser.check_event(StreamStartEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  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 211, in parse_document_start
    raise ParserError(
ruamel.yaml.parser.ParserError: expected '<document start>', but found ('<scalar>',)
  in "<unicode string>", line 5, column 1:
    invalid item
    ^ (line: 5)
[
  "sequence item"
]

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 475, in load_all
    while constructor.check_data():
          ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 105, in check_data
    return self.composer.check_node()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 54, in check_node
    if self.parser.check_event(StreamStartEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  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 211, in parse_document_start
    raise ParserError(
ruamel.yaml.parser.ParserError: expected '<document start>', but found ('<scalar>',)
  in "<unicode string>", line 5, column 1:
    invalid item
    ^ (line: 5)
['sequence item']

ruby-psych-json

 invalid_correct
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): did not find expected <document start> 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: 22, line: 5, col: 0 }, info: "did not find expected <document start>" }
+STR
+DOC
+SEQ
=VAL :sequence item
-SEQ
-DOC