# YAML Test Matrix

--- &test-CXX2
  Title: Mapping with anchor on document start line
  Tags: [ anchor, error, header, mapping ]

YAML

--- &anchor a: b

Expected Events

+STR
+DOC ---

Expected JSON



nim-nimyaml-event

 invalid_incorrect
+STR
+DOC ---
+MAP
=VAL &anchor :a
=VAL :b
-MAP
-DOC
-STR

perl-pp-event

 invalid_incorrect
+STR
+DOC ---
+MAP
=VAL &anchor :a
=VAL :b
-MAP
-DOC
-STR

perl-pp-json

 invalid_incorrect
{
   "a" : "b"
}

perl-pp-perl

 invalid_incorrect
{
  'a' => 'b'
}

perl-syck-json

 invalid_incorrect
{
   "a" : "b"
}

perl-syck-perl

 invalid_incorrect
{
  'a' => 'b'
}

perl-yaml-json

 invalid_incorrect
"a: b"

perl-yaml-perl

 invalid_incorrect
'a: b'

c-libfyaml-event

 invalid_correct
stdin:1:14: error: invalid mapping in plain multiline
--- &anchor a: b
             ^
+STR
+DOC ---
=VAL &anchor :a
-DOC

c-libfyaml-json

 invalid_correct
stdin:1:14: error: invalid mapping in plain multiline
--- &anchor a: b
             ^
"a"

c-libyaml-event

 invalid_correct
Parse error: mapping values are not allowed in this context
+STR
+DOC ---
=VAL &anchor :a

cpp-yamlcpp-event

 invalid_correct
Exception:
yaml-cpp: error at line 1, column 14: illegal map value
+STR
+DOC
=VAL &1 :a
-DOC

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 1, Col: 14, Idx: 13) - (Line: 1, Col: 14, Idx: 13): Mapping values are not allowed in this context.
   at YamlDotNet.Core.Scanner.FetchValue()
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentEnd()
   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 ---
=VAL &anchor :a

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 1, Col: 14, Idx: 13) - (Line: 1, Col: 14, Idx: 13): Mapping values are not allowed in this context.
   at YamlDotNet.Core.Scanner.FetchValue()
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentEnd()
   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.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 = 3, posCharOffset = 3, posLine = 1, posColumn = 3} (Lexical error near " &anchor a: b")
+STR
+DOC ---
=VAL :

hs-hsyaml-json

 invalid_correct
hsyaml-parser: user error (Lexical error near " &anchor a: b")

java-snakeyaml-event

 invalid_correct
Exception in thread "main" mapping values are not allowed here
 in 'reader', line 1, column 14:
    --- &anchor a: b
                 ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:870)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:358)
	at org.yaml.snakeyaml.scanner.ScannerImpl.peekToken(ScannerImpl.java:250)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentEnd.produce(ParserImpl.java:253)
	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" mapping values are not allowed here
 in 'reader', line 1, column 14:
    --- &anchor a: b
                 ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:870)
	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:358)
	at org.yaml.snakeyaml.scanner.ScannerImpl.peekToken(ScannerImpl.java:250)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentEnd.produce(ParserImpl.java:253)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
	at org.yaml.snakeyaml.parser.ParserImpl.getEvent(ParserImpl.java:168)
	at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:97)
	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: end of the stream or a document separator is expected at line 1, column 14:
    --- &anchor a: b
                 ^
    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 readDocument (/node/node_modules/js-yaml/lib/js-yaml/loader.js:1539:5)
    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)
    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
Block collection must not have preceding content here (e.g. directives-end indicator)
+STR
+DOC ---
+MAP

js-yaml-json

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

YAMLSyntaxError: Block collection must not have preceding content here (e.g. directives-end indicator)
    at ParseContext.PlainValue._defineProperty (/node/node_modules/yaml/dist/parse-cst.js:1601:24)
    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)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)

lua-lyaml-json

 invalid_correct
luajit: 1:5: mapping values are not allowed in this context
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:487: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x561ec04acf97

perl-pplibyaml-event

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

    mapping values are not allowed in this context

was found at , line: 1, column: 14

perl-pplibyaml-json

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

    mapping values are not allowed in this context

was found at , line: 1, column: 14

perl-pplibyaml-perl

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

    mapping values are not allowed in this context

was found at , line: 1, column: 14

perl-tiny-json

 invalid_correct
YAML::Tiny does not support a feature in line '&anchor a: b' at /yaml/bin/perl-tiny-json line 12.

perl-tiny-perl

 invalid_correct
YAML::Tiny does not support a feature in line '&anchor a: b' 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: 1, column: 14

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: 1, column: 14

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 193, in parse_document_end
    token = self.peek_token()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^
+STR
+DOC ---
=VAL &anchor :a

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 58, in compose_document
    self.get_event()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 118, in get_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 193, in parse_document_end
    token = self.peek_token()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^

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 58, in compose_document
    self.get_event()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 118, in get_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 193, in parse_document_end
    token = self.peek_token()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 129, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 223, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 579, in fetch_value
    self.get_mark())
yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^

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 241, in parse_document_end
    token = self.scanner.peek_token()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 183, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 283, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 656, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^ (line: 1)
+STR
+DOC ---
=VAL &anchor :a

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 104, in compose_document
    self.parser.get_event()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 162, in get_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 241, in parse_document_end
    token = self.scanner.peek_token()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 183, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 283, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 656, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^ (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 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 104, in compose_document
    self.parser.get_event()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 162, in get_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 241, in parse_document_end
    token = self.scanner.peek_token()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 183, in peek_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 283, in fetch_more_tokens
    return self.fetch_value()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 656, in fetch_value
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: mapping values are not allowed here
  in "<unicode string>", line 1, column 14:
    --- &anchor a: b
                 ^ (line: 1)

ruby-psych-json

 invalid_correct
/usr/lib/ruby/2.5.0/psych.rb:405:in `parse': (<unknown>): mapping values are not allowed in this context at line 1 column 14 (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>'