# YAML Test Matrix

--- &test-FRK4
  Title: Spec Example 7.3. Completely Empty Flow Nodes
  Tags: [ flow, scalar, spec ]

YAML

{
  ? foo :,
  : bar,
}

Expected Events

+STR
+DOC
+MAP
=VAL :foo
=VAL :
=VAL :
=VAL :bar
-MAP
-DOC
-STR

Expected JSON



cpp-event

 ok

js-event

 ok

nimyaml-event

 ok

perl5-pp-event

 ok

hs-yaml-event

 diff
Got Events:
+STR
+DOC
+MAP
=VAL :foo :
=VAL :
=VAL :
=VAL :bar
-MAP
-DOC
-STR

java-event

 error
Exception in thread "main" while parsing a flow node
 in 'reader', line 3, column 3:
      : bar,
      ^
expected the node content, but found ':'
 in 'reader', line 3, column 3:
      : bar,
      ^

	at org.yaml.snakeyaml.parser.ParserImpl.parseNode(ParserImpl.java:482)
	at org.yaml.snakeyaml.parser.ParserImpl.parseFlowNode(ParserImpl.java:364)
	at org.yaml.snakeyaml.parser.ParserImpl.access$2400(ParserImpl.java:117)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseFlowMappingKey.produce(ParserImpl.java:747)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
	at org.yaml.snakeyaml.Yaml$3.hasNext(Yaml.java:711)
	at org.yaml.editor.Snake2Events.yamlToEvents(Snake2Events.java:111)
	at org.yaml.editor.Snake2Events.main(Snake2Events.java:119)

libyaml-event

 error
+STR
+DOC
+MAP
Parse error: found unexpected ':'

perl5-pegex-event

 error
Error parsing Pegex document:
  msg:      Parse document failed for some reason
  line:     2
  column:   10
  context:    ? foo :,\n  : bar,\n}\n
                     ^
  position: 11 (0 pre-lookahead)
 at /bin/perl5-pegex-event line 23.

perl5-pm-pl

 error
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 1
   Document: 2
 at /lib/perl5/YAML/Loader.pm line 88.

perl5-syck-pl

 error
Syck parser (line 3, column 3): syntax error at /lib/perl5/x86_64-linux-gnu-thread-multi/YAML/Syck.pm line 75, <> line 1.

perl5-tiny-pl

 error
YAML::Tiny failed to classify line '{' at /bin/perl5-tiny-pl line 15.

perl5-xs-pl

 error
YAML::XS::Load Error: The problem:

    found unexpected ':'

was found at document: 1, line: 2, column: 9
while scanning a plain scalar at line: 2, column: 5

pyyaml-event

 error
+STR
+DOC
+MAP
=VAL :foo
=VAL :
Traceback (most recent call last):
  File "/bin/pyyaml-event", line 10, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/lib/python2.7/site-packages/yaml/__init__.py", line 36, in parse
    while loader.check_event():
  File "/lib/python2.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 562, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 268, in parse_flow_node
    return self.parse_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 371, in parse_node
    token.start_mark)
yaml.parser.ParserError: while parsing a flow node
expected the node content, but found ':'
  in "<string>", line 3, column 3:
      : bar,
      ^

pyyaml-py

 error
Traceback (most recent call last):
  File "/bin/pyyaml-py", line 36, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/lib/python2.7/site-packages/yaml/__init__.py", line 90, in load_all
    yield loader.get_data()
  File "/lib/python2.7/site-packages/yaml/constructor.py", line 33, in get_data
    return self.construct_document(self.get_node())
  File "/lib/python2.7/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
  File "/lib/python2.7/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
  File "/lib/python2.7/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/lib/python2.7/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
  File "/lib/python2.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 562, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 268, in parse_flow_node
    return self.parse_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 371, in parse_node
    token.start_mark)
yaml.parser.ParserError: while parsing a flow node
expected the node content, but found ':'
  in "<string>", line 3, column 3:
      : bar,
      ^

ruamel-event

 error
+STR
+DOC
+MAP
=VAL :foo :
=VAL :
Traceback (most recent call last):
  File "/bin/ruamel-event", line 10, in <module>
    for event in ruamel.yaml.parse(sys.stdin.read()):
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/main.py", line 880, in parse
    while loader._parser.check_event():
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 733, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 325, in parse_flow_node
    return self.parse_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 485, in parse_node
    token.start_mark,
ruamel.yaml.parser.ParserError: while parsing a flow node
expected the node content, but found u':'
  in "<byte string>", line 3, column 3:
      : bar,
      ^ (line: 3)

ruamel-py

 error
Traceback (most recent call last):
  File "/bin/ruamel-py", line 36, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/main.py", line 949, in load_all
    yield loader._constructor.get_data()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/constructor.py", line 101, in get_data
    return self.construct_document(self.composer.get_node())
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 68, in get_node
    return self.compose_document()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 101, in compose_document
    node = self.compose_node(None, None)
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 138, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 210, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 733, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 325, in parse_flow_node
    return self.parse_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 485, in parse_node
    token.start_mark,
ruamel.yaml.parser.ParserError: while parsing a flow node
expected the node content, but found u':'
  in "<byte string>", line 3, column 3:
      : bar,
      ^ (line: 3)

hs-yaml-json

 na
{"":"bar","foo :":null}

java-json

 na
Exception in thread "main" while parsing a flow node
 in 'reader', line 3, column 3:
      : bar,
      ^
expected the node content, but found ':'
 in 'reader', line 3, column 3:
      : bar,
      ^

	at org.yaml.snakeyaml.parser.ParserImpl.parseNode(ParserImpl.java:482)
	at org.yaml.snakeyaml.parser.ParserImpl.parseFlowNode(ParserImpl.java:364)
	at org.yaml.snakeyaml.parser.ParserImpl.access$2400(ParserImpl.java:117)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseFlowMappingKey.produce(ParserImpl.java:747)
	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.composeMappingNode(Composer.java:214)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144)
	at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:85)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getData(BaseConstructor.java:123)
	at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:547)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:18)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:25)

js-json

 na
{
  "foo": null,
  "": "bar"
}

js-yaml-json

 na
{
  "foo": null,
  "null": "bar"
}

luajit-json

 na
luajit: found unexpected ':' at document: 1, line: 2, column: 9
while scanning a plain scalar at line: 2, column: 5

stack traceback:
	[C]: in function 'load'
	/bin/luajit-json:6: in main chunk
	[C]: at 0x004044a0

perl5-pm-json

 na
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 1
   Document: 2
 at /lib/perl5/YAML/Loader.pm line 88.

perl5-pp-json

 na
{
   "" : "bar",
   "foo" : null
}

perl5-pp-pl

 na
{
  '' => 'bar',
  'foo' => undef
}

perl5-syck-json

 na
Syck parser (line 3, column 3): syntax error at /lib/perl5/x86_64-linux-gnu-thread-multi/YAML/Syck.pm line 75, <> line 1.

perl5-tiny-json

 na
YAML::Tiny failed to classify line '{' at /bin/perl5-tiny-json line 12.

perl5-xs-json

 na
YAML::XS::Load Error: The problem:

    found unexpected ':'

was found at document: 1, line: 2, column: 9
while scanning a plain scalar at line: 2, column: 5

pyyaml-json

 na
Traceback (most recent call last):
  File "/bin/pyyaml-json", line 19, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/lib/python2.7/site-packages/yaml/__init__.py", line 90, in load_all
    yield loader.get_data()
  File "/lib/python2.7/site-packages/yaml/constructor.py", line 33, in get_data
    return self.construct_document(self.get_node())
  File "/lib/python2.7/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
  File "/lib/python2.7/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
  File "/lib/python2.7/site-packages/yaml/composer.py", line 84, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/lib/python2.7/site-packages/yaml/composer.py", line 127, in compose_mapping_node
    while not self.check_event(MappingEndEvent):
  File "/lib/python2.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 562, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 268, in parse_flow_node
    return self.parse_node()
  File "/lib/python2.7/site-packages/yaml/parser.py", line 371, in parse_node
    token.start_mark)
yaml.parser.ParserError: while parsing a flow node
expected the node content, but found ':'
  in "<string>", line 3, column 3:
      : bar,
      ^

ruamel-json

 na
Traceback (most recent call last):
  File "/bin/ruamel-json", line 19, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/main.py", line 949, in load_all
    yield loader._constructor.get_data()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/constructor.py", line 101, in get_data
    return self.construct_document(self.composer.get_node())
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 68, in get_node
    return self.compose_document()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 101, in compose_document
    node = self.compose_node(None, None)
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 138, in compose_node
    node = self.compose_mapping_node(anchor)
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/composer.py", line 210, in compose_mapping_node
    while not self.parser.check_event(MappingEndEvent):
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 733, in parse_flow_mapping_key
    return self.parse_flow_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 325, in parse_flow_node
    return self.parse_node()
  File "/usr/local/lib/python2.7/dist-packages/ruamel/yaml/parser.py", line 485, in parse_node
    token.start_mark,
ruamel.yaml.parser.ParserError: while parsing a flow node
expected the node content, but found u':'
  in "<byte string>", line 3, column 3:
      : bar,
      ^ (line: 3)

ruby-json

 na
/usr/lib/ruby/2.3.0/psych.rb:380:in `parse': (<unknown>): found unexpected ':' while scanning a plain scalar at line 2 column 5 (Psych::SyntaxError)
	from /usr/lib/ruby/2.3.0/psych.rb:380:in `parse_stream'
	from /usr/lib/ruby/2.3.0/psych.rb:463:in `load_stream'
	from /bin/ruby-json:6:in `<main>'