# YAML Test Matrix

--- &test-BS4K
  Title: Comment between plain scalar lines
  Tags: [ error, scalar ]

YAML

word1  # comment
word2

Expected Events

+STR
+DOC
=VAL :word1
-DOC

Expected JSON



cpp-yamlcpp-event

 invalid_incorrect
+STR
+DOC
=VAL :word1
-DOC
+DOC
=VAL :word2
-DOC
-STR

py-ruamel-event

 invalid_incorrect
+STR
+DOC
=VAL :word1
-DOC
+DOC
=VAL :word2
-DOC
-STR

py-ruamel-json

 invalid_incorrect
"word1"
"word2"

py-ruamel-py

 invalid_incorrect
'word1'
'word2'

c-libfyaml-event

 invalid_correct
stdin:2:1: error: missing document start
word2
^~~~~
+STR
+DOC
=VAL :word1
-DOC

c-libfyaml-json

 invalid_correct
stdin:2:1: error: missing document start
word2
^~~~~
"word1"

c-libyaml-event

 invalid_correct
Parse error: did not find expected <document start>
+STR
+DOC
=VAL :word1
-DOC

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 1, Idx: 17) - (Line: 2, Col: 1, Idx: 17): Did not find expected <document start>.
   at YamlDotNet.Core.Parser.ParseDocumentStart(Boolean isImplicit)
   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
=VAL :word1
-DOC

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SemanticErrorException: (Line: 2, Col: 1, Idx: 17) - (Line: 2, Col: 1, Idx: 17): Did not find expected <document start>.
   at YamlDotNet.Core.Parser.ParseDocumentStart(Boolean isImplicit)
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Core.ParserExtensions.Consume[T](IParser parser)
   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 = 17, posCharOffset = 17, posLine = 2, posColumn = 0} (Unexpected 'w')
+STR
+DOC
=VAL :word1
-DOC

hs-hsyaml-json

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

java-snakeyaml-event

 invalid_correct
Exception in thread "main" expected '<document start>', but found '<scalar>'
 in 'reader', line 2, column 1:
    word2
    ^

	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentStart.produce(ParserImpl.java:256)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:165)
	at org.yaml.snakeyaml.Yaml$3.hasNext(Yaml.java:677)
	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" expected '<document start>', but found '<scalar>'
 in 'reader', line 2, column 1:
    word2
    ^

	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentStart.produce(ParserImpl.java:256)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:165)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:155)
	at org.yaml.snakeyaml.composer.Composer.checkNode(Composer.java:89)
	at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:124)
	at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:509)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:18)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:25)
"word1"

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 (2:1)

 1 | word1  # comment
 2 | word2
-----^
    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 2, column 1:

word1  # comment
word2
^^^^^
+STR
+DOC
=VAL :word1
-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 2, column 1:

word1  # comment
word2
^^^^^

    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:34:27)
    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:30:24)
    at Object.<anonymous> (/yaml/bin/js-yaml-json:7:19)

lua-lyaml-json

 invalid_correct
luajit: 2:1: 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 0x5633775adf97

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
=VAL :word1

perl-pp-event

 invalid_correct
Line      : 2
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "word2"
  at /yaml/bin/perl-pp-event line 25.
+STR
+DOC
=VAL :word1

perl-pp-json

 invalid_correct
Line      : 2
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "word2"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pp-perl

 invalid_correct
Line      : 2
Column    : 1
Expected  : DOC_END DOC_START EOL
Got       : PLAIN
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "word2"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pplibyaml-event

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

    did not find expected <document start>

was found at , line: 2, column: 1

perl-pplibyaml-json

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

    did not find expected <document start>

was found at , line: 2, column: 1

perl-pplibyaml-perl

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

    did not find expected <document start>

was found at , line: 2, column: 1

perl-refparser-event

 invalid_correct
Parser finished before end of input at /perl5/lib/perl5/YAML/Parser.pm line 4047, <> line 1.

perl-syck-json

 invalid_correct
Syck parser (line 3, 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 3, 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 'word1  # comment' at /yaml/bin/perl-tiny-json line 12.

perl-tiny-perl

 invalid_correct
YAML::Tiny failed to classify line 'word1  # comment' 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: 2, 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: 2, column: 1

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/python3.7/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 174, in parse_document_start
    self.peek_token().start_mark)
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 2, column 1:
    word2
    ^
+STR
+DOC
=VAL :word1
-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 129, in load_all
    while loader.check_data():
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 18, in check_node
    if self.check_event(StreamStartEvent):
  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 174, in parse_document_start
    self.peek_token().start_mark)
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 2, column 1:
    word2
    ^
"word1"

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 129, in load_all
    while loader.check_data():
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 18, in check_node
    if self.check_event(StreamStartEvent):
  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 174, in parse_document_start
    self.peek_token().start_mark)
yaml.parser.ParserError: expected '<document start>', but found '<scalar>'
  in "<unicode string>", line 2, column 1:
    word2
    ^
'word1'

ruby-psych-json

 invalid_correct
/usr/lib/ruby/2.5.0/psych.rb:405:in `parse': (<unknown>): did not find expected <document start> at line 1 column 1 (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>'