# YAML Test Matrix

--- &test-2CMS
  Title: Invalid mapping in plain multiline
  Tags: [ error, mapping ]

YAML

this
 is
  invalid: x

Expected Events

+STR
+DOC

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 +VAL |
   1    0    0    0 =TEXT|this
   1    4    4    4 =FOLD|\x0a
   2    0    5    5 =WSPC|.
   2    1    6    6 =TEXT|is
   2    3    8    8 =FOLD|\x0a
   3    0    9    9 =WSPC|..
   3    2   11   11 =TEXT|invalid
   3    9   18   18 -VAL |
   3    9   18   18 -NODE|
   3    9   18   18 =ERR |Expected.start.of.line
   3    9   18   18 =REST|:.x
   3   12   21   21 =REST|\x0a
   4    0   22   22 -DOC |

perl-syck-json

 invalid_incorrect
{
   "this is invalid" : "x"
}

perl-syck-perl

 invalid_incorrect
{
  'this is invalid' => 'x'
}

c-libfyaml-event

 invalid_correct
stdin:1:1: error: invalid multiline plain key
this
^~~~
 is
~~~
  invalid: x
~~~~~~~~~
+STR

c-libfyaml-json

 invalid_correct
stdin:1:1: error: invalid multiline plain key
this
^~~~
 is
~~~
  invalid: x
~~~~~~~~~

c-libyaml-event

 invalid_correct
Parse error: mapping values are not allowed in this context
+STR
+DOC
=VAL :this is invalid

cpp-rapidyaml-event

 invalid_correct
-:3:10: (18B): ERROR: ': ' is not a valid token in plain flow (unquoted) scalars
-:3:10:   invalid: x  (size=12)
                 ^~~  (cols 10-13)

cpp-yamlcpp-event

 invalid_correct
Exception:
yaml-cpp: error at line 3, column 10: illegal map value
+STR

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 3, Col: 10, Idx: 18) - (Line: 3, Col: 10, Idx: 18): While scanning a multiline plain scalar, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseNode(Boolean isBlock, Boolean isIndentlessSequence)
   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

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 3, Col: 10, Idx: 18) - (Line: 3, Col: 10, Idx: 18): While scanning a multiline plain scalar, found invalid mapping.
   at YamlDotNet.Core.Parser.ParseNode(Boolean isBlock, Boolean isIndentlessSequence)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Core.ParserExtensions.TryConsume[T](IParser parser, T& event)
   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 3: mapping values are not allowed in this context

hs-hsyaml-event

 invalid_correct
Parsing error near byte offset Pos {posByteOffset = 18, posCharOffset = 18, posLine = 3, posColumn = 9} (Expected start of line)
+STR
+DOC
=VAL :this is invalid

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: end of the stream or a document separator is expected (3:10)

 1 | this
 2 |  is
 3 |   invalid: x
--------------^
    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: 'this\n is\n  invalid: x\n',
    position: 18,
    line: 2,
    column: 9,
    snippet: ' 1 | this\n 2 |  is\n 3 |   invalid: x\n--------------^'
  }
}

Node.js v20.13.1

js-yaml-event

 invalid_correct
Implicit keys need to be on a single line at line 1, column 1:

this
^
+STR
+DOC

js-yaml-json

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

YAMLParseError: Implicit keys need to be on a single line at line 1, column 1:

this
^

    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:48:17)
    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: 'MULTILINE_IMPLICIT_KEY',
  pos: [ 0, 18 ],
  linePos: [ { line: 1, col: 1 }, { line: 3, col: 10 } ]
}

Node.js v20.13.1

lua-lyaml-json

 invalid_correct
luajit: 1:1: 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:502: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x55ff2a44fed0

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: Implicit mapping key may not be multiline [YamlStreamError]
+STR
+DOC

perl-pp-event

 invalid_correct
Line      : 3
Column    : 10
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": x\n"
  at /yaml/bin/perl-pp-event line 46.
+STR
+DOC
=VAL :this is invalid

perl-pp-json

 invalid_correct
Line      : 3
Column    : 10
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": x\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pp-perl

 invalid_correct
Line      : 3
Column    : 10
Expected  : EOL
Got       : COLON
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : ": x\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: 3, column: 10

perl-pplibyaml-perl

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

    mapping values are not allowed in this context

was found at , line: 3, column: 10

perl-refparser-event

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

perl-tiny-json

 invalid_correct
YAML::Tiny failed to classify line 'this' at /yaml/bin/perl-tiny-json line 12.

perl-tiny-perl

 invalid_correct
YAML::Tiny failed to classify line 'this' 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: 3, column: 10

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: 3, column: 10

perl-yaml-json

 invalid_correct
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 1
   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: 1
   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 193, in parse_document_end
    token = self.peek_token()
            ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 577, in fetch_value
    raise ScannerError(None, None,
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^
+STR
+DOC
=VAL :this is invalid

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 58, in compose_document
    self.get_event()
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 118, in get_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 193, in parse_document_end
    token = self.peek_token()
            ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 577, in fetch_value
    raise ScannerError(None, None,
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^

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 58, in compose_document
    self.get_event()
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 118, in get_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 193, in parse_document_end
    token = self.peek_token()
            ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 577, in fetch_value
    raise ScannerError(None, None,
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^

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 245, in parse_document_end
    token = self.scanner.peek_token()
            ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 182, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 278, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 628, in fetch_value
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^ (line: 3)
+STR
+DOC
=VAL :this is invalid

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 97, in compose_document
    self.parser.get_event()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 161, in get_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 245, in parse_document_end
    token = self.scanner.peek_token()
            ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 182, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 278, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 628, in fetch_value
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^ (line: 3)

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 97, in compose_document
    self.parser.get_event()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 161, in get_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 245, in parse_document_end
    token = self.scanner.peek_token()
            ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 182, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 278, in fetch_more_tokens
    return self.fetch_value()
           ^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 628, in fetch_value
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 3, column 10:
      invalid: x
             ^ (line: 3)

ruby-psych-json

 invalid_correct
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): mapping values are not allowed in this context at line 3 column 10 (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: 18, line: 3, col: 9 }, info: "mapping values are not allowed in this context" }
+STR
+DOC
=VAL :this is invalid