# YAML Test Matrix

--- &test-S4GJ
  Title: Invalid text after block scalar indicator
  Tags: [ error, folded ]

YAML

---
folded: > first line
  second line

Expected Events

+STR
+DOC ---
+MAP
=VAL :folded

Expected JSON



perl-syck-json

 invalid_incorrect
{
   "folded" : "first linesecond line\n"
}

perl-syck-perl

 invalid_incorrect
{
  'folded' => 'first linesecond line
'
}

perl-tiny-json

 invalid_incorrect
{
   "folded" : "second line\n"
}

perl-tiny-perl

 invalid_incorrect
{
  'folded' => 'second line
'
}

c-libfyaml-event

 invalid_correct
stdin:2:11: error: block scalar no linebreak found
folded: > first line
          ^
+STR
+DOC ---
+MAP
=VAL :folded

c-libfyaml-json

 invalid_correct
stdin:2:11: error: block scalar no linebreak found
folded: > first line
          ^

c-libyaml-event

 invalid_correct
Parse error: did not find expected comment or line break
+STR
+DOC ---
+MAP
=VAL :folded

cpp-yamlcpp-event

 invalid_correct
Exception:
yaml-cpp: error at line 2, column 11: unexpected character in block scalar
+STR
+DOC
+MAP
=VAL :folded

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 9, Idx: 12) - (Line: 2, Col: 11, Idx: 14): While scanning a block scalar, did not find expected comment or line break.
   at YamlDotNet.Core.Scanner.ScanBlockScalar(Boolean isLiteral)
   at YamlDotNet.Core.Scanner.FetchBlockScalar(Boolean isLiteral)
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseBlockMappingValue()
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at Program.ConvertToLibYamlStyleAnnotatedEventStream(TextReader textReader, TextWriter textWriter)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)
+STR
+DOC ---
+MAP
=VAL :folded

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 9, Idx: 12) - (Line: 2, Col: 11, Idx: 14): While scanning a block scalar, did not find expected comment or line break.
   at YamlDotNet.Core.Scanner.ScanBlockScalar(Boolean isLiteral)
   at YamlDotNet.Core.Scanner.FetchBlockScalar(Boolean isLiteral)
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseBlockMappingValue()
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Core.ParserExtensions.Allow[T](IParser parser)
   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)

hs-hsyaml-event

 invalid_correct
Parsing error near byte offset Pos {posByteOffset = 14, posCharOffset = 14, posLine = 2, posColumn = 10} (Unexpected 'f')
+STR
+DOC ---
+MAP
=VAL :folded
=VAL >

hs-hsyaml-json

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

java-snakeyaml-event

 invalid_correct
Exception in thread "main" while scanning a block scalar
 in 'reader', line 2, column 9:
    folded: > first line
            ^
expected a comment or a line break, but found f(102)
 in 'reader', line 2, column 11:
    folded: > first line
              ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.scanBlockScalarIgnoredLine(ScannerImpl.java:1730)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanBlockScalar(ScannerImpl.java:1568)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchBlockScalar(ScannerImpl.java:994)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchFolded(ScannerImpl.java:976)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:384)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:586)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
	at org.yaml.snakeyaml.Yaml$3.hasNext(Yaml.java:654)
	at org.yaml.editor.Snake2Events.yamlToEvents(Snake2Events.java:111)
	at org.yaml.editor.Snake2Events.main(Snake2Events.java:119)

java-snakeyaml-json

 invalid_correct
Exception in thread "main" while scanning a block scalar
 in 'reader', line 2, column 9:
    folded: > first line
            ^
expected a comment or a line break, but found f(102)
 in 'reader', line 2, column 11:
    folded: > first line
              ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.scanBlockScalarIgnoredLine(ScannerImpl.java:1730)
	at org.yaml.snakeyaml.scanner.ScannerImpl.scanBlockScalar(ScannerImpl.java:1568)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchBlockScalar(ScannerImpl.java:994)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchFolded(ScannerImpl.java:976)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:384)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:586)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:136)
	at org.yaml.snakeyaml.composer.Composer.composeValueNode(Composer.java:257)
	at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:248)
	at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:236)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:162)
	at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:95)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getData(BaseConstructor.java:134)
	at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:494)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:18)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:25)

js-jsyaml-json

 invalid_correct
/node/node_modules/js-yaml/lib/js-yaml/loader.js:173
  throw generateError(state, message);
  ^
YAMLException: a line break is expected at line 2, column 11:
    folded: > first line
              ^
    at generateError (/node/node_modules/js-yaml/lib/js-yaml/loader.js:167:10)
    at throwError (/node/node_modules/js-yaml/lib/js-yaml/loader.js:173:9)
    at readLineBreak (/node/node_modules/js-yaml/lib/js-yaml/loader.js:357:5)
    at readBlockScalar (/node/node_modules/js-yaml/lib/js-yaml/loader.js:834:5)
    at composeNode (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1363:35)
    at readBlockMapping (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1089:11)
    at composeNode (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1359:12)
    at readDocument (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1519:3)
    at loadDocuments (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1575:5)
    at Object.loadAll (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1583:19)

js-yaml-event

 invalid_correct
All collection items must start at the same column
+STR
+DOC ---

js-yaml-json

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

YAMLSyntaxError: All collection items must start at the same column
    at Collection.parse (/node/node_modules/yaml/dist/parse-cst.js:331:24)
    at ParseContext.PlainValue._defineProperty (/node/node_modules/yaml/dist/parse-cst.js:1605:29)
    at Document.parseContents (/node/node_modules/yaml/dist/parse-cst.js:622:26)
    at Document.parse (/node/node_modules/yaml/dist/parse-cst.js:685:19)
    at Object.parse (/node/node_modules/yaml/dist/parse-cst.js:1723:18)
    at Object.parseAllDocuments (/node/node_modules/yaml/dist/index.js:32:33)
    at Object.<anonymous> (/yaml/bin/js-yaml-json:7:19)
    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)

lua-lyaml-json

 invalid_correct
luajit: 2:1: did not find expected comment or line break
stack traceback:
	[C]: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:291: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:310: in function 'parse'
	/usr/local/share/lua/5.1/lyaml/init.lua:428: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:363: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:482: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x560fc1963f97

nim-nimyaml-event

 invalid_correct
/buildutils/nimyaml_event.nim(8) nimyaml_event
/tmp/NimYAML-0.13.1/yaml/stream.nim(223) finished
Error: unhandled exception: Unexpected character (expected line end): "f" [YamlStreamError]
+STR
+DOC ---
+MAP
=VAL :folded

perl-pp-event

 invalid_correct
Line      : 2
Column    : 10
Message   : Invalid block scalar
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 538
YAML      : " first line"
  at /yaml/bin/perl-pp-event line 25.
+STR
+DOC ---
+MAP
=VAL :folded

perl-pp-json

 invalid_correct
Line      : 2
Column    : 10
Message   : Invalid block scalar
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 538
YAML      : " first line"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 92.

perl-pp-perl

 invalid_correct
Line      : 2
Column    : 10
Message   : Invalid block scalar
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 538
YAML      : " first line"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 92.

perl-pplibyaml-event

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

    did not find expected comment or line break

was found at , line: 2, column: 11
while scanning a block scalar at line: 2, column: 9

perl-pplibyaml-json

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

    did not find expected comment or line break

was found at , line: 2, column: 11
while scanning a block scalar at line: 2, column: 9

perl-pplibyaml-perl

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

    did not find expected comment or line break

was found at , line: 2, column: 11
while scanning a block scalar at line: 2, column: 9

perl-xs-json

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

    did not find expected comment or line break

was found at document: 1, line: 2, column: 11
while scanning a block scalar at line: 2, column: 9

perl-xs-perl

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

    did not find expected comment or line break

was found at document: 1, line: 2, column: 11
while scanning a block scalar at line: 2, column: 9

perl-yaml-json

 invalid_correct
YAML Error: Inconsistent indentation level
   Code: YAML_PARSE_ERR_INCONSISTENT_INDENTATION
   Line: 3
   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: 3
   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 75, 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 449, in parse_block_mapping_value
    if not self.check_token(KeyToken, ValueToken, BlockEndToken):
  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 243, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 638, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 649, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 990, in scan_block_scalar
    self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1103, in scan_block_scalar_ignored_line
    self.get_mark())
yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^
+STR
+DOC ---
+MAP
=VAL :folded

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 130, 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 133, in compose_mapping_node
    item_value = self.compose_node(node, item_key)
  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 449, in parse_block_mapping_value
    if not self.check_token(KeyToken, ValueToken, BlockEndToken):
  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 243, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 638, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 649, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 990, in scan_block_scalar
    self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1103, in scan_block_scalar_ignored_line
    self.get_mark())
yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^

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 130, 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 133, in compose_mapping_node
    item_value = self.compose_node(node, item_key)
  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 449, in parse_block_mapping_value
    if not self.check_token(KeyToken, ValueToken, BlockEndToken):
  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 243, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 638, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 649, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 990, in scan_block_scalar
    self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 1103, in scan_block_scalar_ignored_line
    self.get_mark())
yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^

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 907, in parse
    while loader._parser.check_event():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 140, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 603, in parse_block_mapping_value
    if self.scanner.check_token(ValueToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 303, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 712, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 721, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1156, in scan_block_scalar
    block_scalar_comment = self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1324, in scan_block_scalar_ignored_line
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^ (line: 2)
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^ (line: 2)
+STR
+DOC ---
+MAP
=VAL :folded

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 976, in load_all
    yield loader._constructor.get_data()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 106, in get_data
    return self.construct_document(self.composer.get_node())
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 68, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 101, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 138, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 218, in compose_mapping_node
    item_value = self.compose_node(node, item_key)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 111, in compose_node
    if self.parser.check_event(AliasEvent):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 140, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 603, in parse_block_mapping_value
    if self.scanner.check_token(ValueToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 303, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 712, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 721, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1156, in scan_block_scalar
    block_scalar_comment = self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1324, in scan_block_scalar_ignored_line
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^ (line: 2)
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^ (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 976, in load_all
    yield loader._constructor.get_data()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 106, in get_data
    return self.construct_document(self.composer.get_node())
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 68, in get_node
    return self.compose_document()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 101, in compose_document
    node = self.compose_node(None, None)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 138, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 218, in compose_mapping_node
    item_value = self.compose_node(node, item_key)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 111, in compose_node
    if self.parser.check_event(AliasEvent):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 140, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 603, in parse_block_mapping_value
    if self.scanner.check_token(ValueToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 303, in fetch_more_tokens
    return self.fetch_folded()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 712, in fetch_folded
    self.fetch_block_scalar(style='>')
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 721, in fetch_block_scalar
    self.tokens.append(self.scan_block_scalar(style))
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1156, in scan_block_scalar
    block_scalar_comment = self.scan_block_scalar_ignored_line(start_mark)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 1324, in scan_block_scalar_ignored_line
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 2, column 9:
    folded: > first line
            ^ (line: 2)
expected a comment or a line break, but found 'f'
  in "<unicode string>", line 2, column 11:
    folded: > first line
              ^ (line: 2)

ruby-psych-json

 invalid_correct
/usr/lib/ruby/2.5.0/psych.rb:405:in `parse': (<unknown>): did not find expected comment or line break while scanning a block scalar at line 2 column 9 (Psych::SyntaxError)
	from /usr/lib/ruby/2.5.0/psych.rb:405:in `parse_stream'
	from /usr/lib/ruby/2.5.0/psych.rb:488:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'