# YAML Test Matrix

--- &test-Y79Y:005
  Title: Tabs in various contexts
  Tags: [ whitespace ]

YAML

- 	-

Expected Events

+STR
+DOC
+SEQ
+SEQ []

Expected JSON






   


dotnet-yamldotnet-event

 invalid_incorrect 
+STR
+DOC
+SEQ
+SEQ
=VAL :
-SEQ
-SEQ
-DOC
-STR


 



  


dotnet-yamldotnet-json

 invalid_incorrect 
[[null]]


 



  


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 +SEQ |
   1    0    0    0 =SYNX|-
   1    1    1    1 +NODE|
   1    1    1    1 +VAL |
   1    1    1    1 -VAL |
   1    1    1    1 -NODE|
   1    1    1    1 =REST|.\x09-
   1    4    4    4 =REST|\x0a
   2    0    5    5 -SEQ |
   2    0    5    5 -NODE|
   2    0    5    5 -DOC |


 



  


java-snakeengine-event

 invalid_incorrect 
+STR
+DOC
+SEQ
+SEQ
=VAL :
-SEQ
-SEQ
-DOC
-STR


 



  


js-yaml-event

 invalid_incorrect 
+STR
+DOC
+SEQ
+SEQ
=VAL :
-SEQ
-SEQ
-DOC
-STR


 



  


js-yaml-json

 invalid_incorrect 
[
  [
    null
  ]
]


 



  


nim-nimyaml-event

 invalid_incorrect 
+STR
+DOC
+SEQ
+SEQ
=VAL :
-SEQ
-SEQ
-DOC
-STR


 



  


perl-syck-json

 invalid_incorrect 
[
   [
      null
   ]
]


 



  


perl-syck-perl

 invalid_incorrect 
[
  [
    undef
  ]
]


 



  


perl-yaml-json

 invalid_incorrect 
[
   [
      null
   ]
]


 



  


perl-yaml-perl

 invalid_incorrect 
[
  [
    undef
  ]
]


 



  


rust-yamlrust-event

 invalid_incorrect 
+STR
+DOC
+SEQ
=VAL :\t-
-SEQ
-DOC
-STR


 



 
    


c-libfyaml-event

 invalid_correct 
stdin:1:3: error: cannot use tab for indentation of block entry
-       -
  ^~~~~~
+STR


 



  


c-libfyaml-json

 invalid_correct 
stdin:1:3: error: cannot use tab for indentation of block entry
-       -
  ^~~~~~


 



  


c-libyaml-event

 invalid_correct 
Parse error: found character that cannot start any token
+STR
+DOC
+SEQ


 



  


cpp-rapidyaml-event

 invalid_correct 
-:1:3: (2B): ERROR: parse error
-:1:3: - 	-  (size=4)
         ^~  (cols 3-5)


 



  


cpp-yamlcpp-event

 invalid_correct 
Exception:
yaml-cpp: error at line 1, column 4: illegal block entry
+STR
+DOC
+SEQ


 



  


go-yaml-json

 invalid_correct 
yaml: found character that cannot start any token


 



  


hs-hsyaml-event

 invalid_correct 
Parsing error near byte offset Pos {posByteOffset = 1, posCharOffset = 1, posLine = 1, posColumn = 1} (Lexical error near " \t-")
+STR
+DOC
+SEQ
=VAL :


 



  


hs-hsyaml-json

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


 



  


java-snakeengine-json

 invalid_correct 
Exception in thread "main" while scanning for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 3:
    - 	-
      ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryValue.produce(ParserImpl.java:576)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:552)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceFirstEntry.produce(ParserImpl.java:540)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:156)
	at org.yaml.snakeyaml.composer.Composer.composeSequenceNode(Composer.java:243)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:189)
	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 for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 3:
    - 	-
      ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryValue.produce(ParserImpl.java:576)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:552)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceFirstEntry.produce(ParserImpl.java:540)
	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 for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 3:
    - 	-
      ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryValue.produce(ParserImpl.java:576)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceEntryKey.produce(ParserImpl.java:552)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockSequenceFirstEntry.produce(ParserImpl.java:540)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:156)
	at org.yaml.snakeyaml.composer.Composer.composeSequenceNode(Composer.java:243)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:189)
	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: bad indentation of a sequence entry (1:4)

 1 | - →-
--------^
    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 readBlockSequence (/node/node_modules/js-yaml/lib/loader.js:1015:7)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1440:12)
    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)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)


 



  


lua-lyaml-json

 invalid_correct 
luajit: 1:1: found character that cannot start any token
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:393: 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 0x5580562a2f97


 



  


perl-pp-event

 invalid_correct 
Line      : 1
Column    : 4
Message   : Tabs can not be used for indentation
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 287
YAML      : ""
  at /yaml/bin/perl-pp-event line 25.
+STR


 



  


perl-pp-json

 invalid_correct 
Line      : 1
Column    : 4
Message   : Tabs can not be used for indentation
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 287
YAML      : ""
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pp-perl

 invalid_correct 
Line      : 1
Column    : 4
Message   : Tabs can not be used for indentation
Where     : /perl5/lib/perl5/YAML/PP/Lexer.pm line 287
YAML      : ""
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.


 



  


perl-pplibyaml-json

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

    found character that cannot start any token

was found at , line: 1, column: 3
while scanning for the next token at line: 1, column: 3


 



  


perl-pplibyaml-perl

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

    found character that cannot start any token

was found at , line: 1, column: 3
while scanning for the next token at line: 1, column: 3


 



  


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 found illegal characters in plain scalar: '-' at /yaml/bin/perl-tiny-json line 12.


 



  


perl-tiny-perl

 invalid_correct 
YAML::Tiny found illegal characters in plain scalar: '-' at /yaml/bin/perl-tiny-perl line 15.


 



  


perl-xs-json

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

    found character that cannot start any token

was found at document: 1, line: 1, column: 3
while scanning for the next token at line: 1, column: 3


 



  


perl-xs-perl

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

    found character that cannot start any token

was found at document: 1, line: 1, column: 3
while scanning for the next token at line: 1, column: 3


 



  


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 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, 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 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^
+STR
+DOC
+SEQ


 



  


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 82, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
  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 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, 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 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^


 



  


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 82, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 110, in compose_sequence_node
    while not self.check_event(SequenceEndEvent):
  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 379, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 384, in parse_block_sequence_entry
    if not self.check_token(BlockEntryToken, 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 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^


 



  


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 526, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 533, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
  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 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^ (line: 1)
+STR
+DOC
+SEQ


 



  


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 141, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 184, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
  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 526, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 533, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
  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 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^ (line: 1)


 



  


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 141, in compose_node
    node = self.compose_sequence_node(anchor)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 184, in compose_sequence_node
    while not self.parser.check_event(SequenceEndEvent):
  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 526, in parse_block_sequence_first_entry
    return self.parse_block_sequence_entry()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 533, in parse_block_sequence_entry
    if not self.scanner.check_token(BlockEntryToken, BlockEndToken):
  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 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 3:
    - 	-
      ^ (line: 1)


 



  


raku-yamlish-json

 invalid_correct 
Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-json line 6


 



  


raku-yamlish-raku

 invalid_correct 
Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-raku line 6


 



  


ruby-psych-json

 invalid_correct 
/ruby/gems/psych/lib/psych.rb:459:in `parse': (<unknown>): found character that cannot start any token while scanning for the next token at line 1 column 3 (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>'