# YAML Test Matrix

--- &test-5TRB
  Title: Invalid document-start marker in doublequoted tring
  Tags: [ double, error, header ]

YAML

---
"
---
"

Expected Events

+STR
+DOC ---

Expected JSON



cpp-rapidyaml-event

 invalid_incorrect
+STR
+DOC ---
=VAL ' --- 
-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 +NODE|
   1    3    3    3 +VAL |
   1    3    3    3 -VAL |
   1    3    3    3 -NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 =REST|"
   2    1    5    5 =REST|\x0a
   3    0    6    6 -DOC |
   3    0    6    6 +DOC |
   3    0    6    6 =HEAD|---
   3    3    9    9 +NODE|
   3    3    9    9 +VAL |
   3    3    9    9 -VAL |
   3    3    9    9 -NODE|
   3    3    9    9 =EOL |\x0a
   4    0   10   10 =REST|"
   4    1   11   11 =REST|\x0a
   5    0   12   12 -DOC |

perl-syck-json

 invalid_incorrect
" --- "

perl-syck-perl

 invalid_incorrect
' --- '

raku-yamlish-json

 invalid_incorrect
" --- "

raku-yamlish-raku

 invalid_incorrect
" --- ".Str

c-libfyaml-event

 invalid_correct
stdin:3:1: error: invalid document-start marker in double-quoted scalar
---
^~~
+STR
+DOC ---

c-libfyaml-json

 invalid_correct
stdin:3:1: error: invalid document-start marker in double-quoted scalar
---
^~~

c-libyaml-event

 invalid_correct
Parse error: found unexpected document indicator
+STR
+DOC ---

cpp-yamlcpp-event

 invalid_correct
Exception:
yaml-cpp: error at line 3, column 1: illegal document indicator in scalar
+STR
+DOC

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 1, Idx: 4) - (Line: 3, Col: 1, Idx: 6): While scanning a quoted scalar, found unexpected document indicator.
   at YamlDotNet.Core.Scanner.ScanFlowScalar(Boolean isSingleQuoted)
   at YamlDotNet.Core.Scanner.FetchFlowScalar(Boolean isSingleQuoted)
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentContent()
   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.SyntaxErrorException: (Line: 2, Col: 1, Idx: 4) - (Line: 3, Col: 1, Idx: 6): While scanning a quoted scalar, found unexpected document indicator.
   at YamlDotNet.Core.Scanner.ScanFlowScalar(Boolean isSingleQuoted)
   at YamlDotNet.Core.Scanner.FetchFlowScalar(Boolean isSingleQuoted)
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentContent()
   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: found unexpected document indicator

hs-hsyaml-event

 invalid_correct
Parsing error near byte offset Pos {posByteOffset = 4, posCharOffset = 4, posLine = 2, posColumn = 0} (Lexical error near "\"")
+STR
+DOC ---
=VAL :

hs-hsyaml-json

 invalid_correct
hsyaml-parser: user error (Lexical error near "\"")

java-snakeengine-event

 invalid_correct
Exception in thread "main" while scanning a quoted scalar
 in reader, line 2, column 1:
    "
    ^
found unexpected document separator
 in reader, line 3, column 1:
    ---
    ^

	at org.snakeyaml.engine.v2.scanner.ScannerImpl.scanFlowScalarBreaks(ScannerImpl.java:1891)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.scanFlowScalarSpaces(ScannerImpl.java:1868)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.scanFlowScalar(ScannerImpl.java:1776)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.fetchFlowScalar(ScannerImpl.java:975)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.fetchDouble(ScannerImpl.java:959)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:387)
	at org.snakeyaml.engine.v2.scanner.ScannerImpl.checkToken(ScannerImpl.java:193)
	at org.snakeyaml.engine.v2.parser.ParserImpl$ParseDocumentContent.produce(ParserImpl.java:345)
	at org.snakeyaml.engine.v2.parser.ParserImpl.lambda$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 quoted scalar
 in 'reader', line 2, column 1:
    "
    ^
found unexpected document separator
 in 'reader', line 3, column 1:
    ---
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarBreaks(ScannerImpl.java:2029)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarSpaces(ScannerImpl.java:2006)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalar(ScannerImpl.java:1915)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchFlowScalar(ScannerImpl.java:1068)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchDouble(ScannerImpl.java:1050)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:436)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentContent.produce(ParserImpl.java:305)
	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.composeNode(Composer.java:158)
	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 quoted scalar
 in 'reader', line 2, column 1:
    "
    ^
found unexpected document separator
 in 'reader', line 3, column 1:
    ---
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarBreaks(ScannerImpl.java:2029)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarSpaces(ScannerImpl.java:2006)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalar(ScannerImpl.java:1915)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchFlowScalar(ScannerImpl.java:1068)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchDouble(ScannerImpl.java:1050)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:436)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentContent.produce(ParserImpl.java:305)
	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 quoted scalar
 in 'reader', line 2, column 1:
    "
    ^
found unexpected document separator
 in 'reader', line 3, column 1:
    ---
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarBreaks(ScannerImpl.java:2029)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalarSpaces(ScannerImpl.java:2006)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanFlowScalar(ScannerImpl.java:1915)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchFlowScalar(ScannerImpl.java:1068)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchDouble(ScannerImpl.java:1050)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:436)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentContent.produce(ParserImpl.java:305)
	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.composeNode(Composer.java:158)
	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: unexpected end of the document within a double quoted scalar (3:1)

 1 | ---
 2 | "
 3 | ---
-----^
 4 | "
    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 readDoubleQuotedScalar (/node/node_modules/js-yaml/lib/loader.js:695:7)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1447:13)
    at readBlockMapping (/node/node_modules/js-yaml/lib/loader.js:1104:12)
    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)

js-yaml-event

 invalid_correct
Missing closing "quote at line 2, column 2:

"
 ^
+STR
+DOC ---
=VAL "
-DOC
+DOC ---
=VAL "
-DOC
-STR

js-yaml-json

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

YAMLParseError: Missing closing "quote at line 2, column 2:

"
 ^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:71:34)
    at _onError (/node/node_modules/yaml/dist/compose/resolve-flow-scalar.js:10:42)
    at doubleQuotedValue (/node/node_modules/yaml/dist/compose/resolve-flow-scalar.js:171:9)
    at Object.resolveFlowScalar (/node/node_modules/yaml/dist/compose/resolve-flow-scalar.js:22:21)
    at Object.composeScalar (/node/node_modules/yaml/dist/compose/compose-scalar.js:11:29)
    at Object.composeNode (/node/node_modules/yaml/dist/compose/compose-node.js:23:34)
    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)

lua-lyaml-json

 invalid_correct
luajit: 1:1: found unexpected document indicator
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:497: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x5610f5250f97

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 `---` within quoted scalar [YamlStreamError]
+STR
+DOC ---

perl-pp-event

 invalid_correct
Line      : 3
Column    : 1
Message   : Missing closing quote <"> or invalid document marker
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 659
YAML      : "---"
  at /yaml/bin/perl-pp-event line 25.
+STR
+DOC ---

perl-pp-json

 invalid_correct
Line      : 3
Column    : 1
Message   : Missing closing quote <"> or invalid document marker
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 659
YAML      : "---"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pp-perl

 invalid_correct
Line      : 3
Column    : 1
Message   : Missing closing quote <"> or invalid document marker
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 659
YAML      : "---"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pplibyaml-json

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

    found unexpected document indicator

was found at , line: 3, column: 1
while scanning a quoted scalar at line: 2, column: 1

perl-pplibyaml-perl

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

    found unexpected document indicator

was found at , line: 3, column: 1
while scanning a quoted scalar at line: 2, 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-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:

    found unexpected document indicator

was found at document: 1, line: 3, column: 1
while scanning a quoted scalar at line: 2, column: 1

perl-xs-perl

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

    found unexpected document indicator

was found at document: 1, line: 3, column: 1
while scanning a quoted scalar at line: 2, 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/python3.7/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 210, in parse_document_content
    DocumentStartToken, DocumentEndToken, StreamEndToken):
  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 251, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 655, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 666, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1151, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1242, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1262, in scan_flow_scalar_breaks
    "found unexpected document separator", self.get_mark())
yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^
found unexpected document separator
  in "<unicode string>", line 3, column 1:
    ---
    ^
+STR
+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/python3.7/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 64, in compose_node
    if self.check_event(AliasEvent):
  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 210, in parse_document_content
    DocumentStartToken, DocumentEndToken, StreamEndToken):
  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 251, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 655, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 666, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1151, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1242, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1262, in scan_flow_scalar_breaks
    "found unexpected document separator", self.get_mark())
yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^
found unexpected document separator
  in "<unicode string>", line 3, 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 64, in compose_node
    if self.check_event(AliasEvent):
  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 210, in parse_document_content
    DocumentStartToken, DocumentEndToken, StreamEndToken):
  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 251, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 655, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 666, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1151, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1242, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1262, in scan_flow_scalar_breaks
    "found unexpected document separator", self.get_mark())
yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^
found unexpected document separator
  in "<unicode string>", line 3, 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 273, in parse_document_content
    DirectiveToken, DocumentStartToken, DocumentEndToken, StreamEndToken
  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 316, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 734, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 743, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1399, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1506, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1531, in scan_flow_scalar_breaks
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^ (line: 2)
found unexpected document separator
  in "<unicode string>", line 3, column 1:
    ---
    ^ (line: 3)
+STR
+DOC ---

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 113, in compose_node
    if self.parser.check_event(AliasEvent):
  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 273, in parse_document_content
    DirectiveToken, DocumentStartToken, DocumentEndToken, StreamEndToken
  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 316, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 734, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 743, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1399, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1506, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1531, in scan_flow_scalar_breaks
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^ (line: 2)
found unexpected document separator
  in "<unicode string>", line 3, column 1:
    ---
    ^ (line: 3)

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 113, in compose_node
    if self.parser.check_event(AliasEvent):
  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 273, in parse_document_content
    DirectiveToken, DocumentStartToken, DocumentEndToken, StreamEndToken
  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 316, in fetch_more_tokens
    return self.fetch_double()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 734, in fetch_double
    self.fetch_flow_scalar(style='"')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 743, in fetch_flow_scalar
    self.tokens.append(self.scan_flow_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1399, in scan_flow_scalar
    chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1506, in scan_flow_scalar_spaces
    breaks = self.scan_flow_scalar_breaks(double, start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1531, in scan_flow_scalar_breaks
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a quoted scalar
  in "<unicode string>", line 2, column 1:
    "
    ^ (line: 2)
found unexpected document separator
  in "<unicode string>", line 3, column 1:
    ---
    ^ (line: 3)

ruby-psych-json

 invalid_correct
/ruby/gems/psych/lib/psych.rb:459:in `parse': (<unknown>): found unexpected document indicator while scanning a quoted scalar at line 2 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: 4, line: 2, col: 0 }, info: "while scanning a quoted scalar, found unexpected document indicator" }
+STR
+DOC