---
test case: 'missing second parameter'
in:
  csv: ''
  params: ''
out:
  result: ''
  return: 'FAIL'
---
test case: 'missing third parameter'
in:
  csv: ''
  params: "\n"
out:
  result: ''
  return: 'FAIL'
---
test case: 'invalid first parameter'
in:
  csv: ''
  params: ",.\n\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'invalid second parameter'
in:
  csv: ''
  params: "\n,.\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'empty input (1)'
in:
  csv: ''
  params: "\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'empty input (2)'
in:
  csv: ''
  params: "\n\n0"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'single char (1)'
in:
  csv: 'A'
  params: ",\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'single char (2)'
in:
  csv: 'A'
  params: ",\n\n0"
out:
  result: '[{"1":"A"}]'
  return: 'SUCCEED'
---
test case: 'single UTF8 4-bytes character (1)'
in:
  csv: '😂'
  params: ",\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'single UTF8 4-bytes character (2)'
in:
  csv: '😂'
  params: ",\n\n0"
out:
  result: '[{"1":"😂"}]'
  return: 'SUCCEED'
---
test case: 'empty line (1)'
in:
  csv: "\n"
  params: ",\n\n1"
out:
  result: '[{"":""}]'
  return: 'SUCCEED'
---
test case: 'empty line (2)'
in:
  csv: "\n"
  params: ",\n\n0"
out:
  result: '[{},{}]'
  return: 'SUCCEED'
---
test case: 'multiple empty lines (1)'
in:
  csv: "\n\n\n"
  params: ",\n\n1"
out:
  result: '[{"":""},{"":""},{"":""}]'
  return: 'SUCCEED'
---
test case: 'multiple empty lines (2)'
in:
  csv: "\n\n\n"
  params: ",\n\n0"
out:
  result: '[{},{},{},{}]'
  return: 'SUCCEED'
---
test case: 'single column (1)'
in:
  csv: |
      nr
      1
      2
  params: "\n\n1"
out:
  result: '[{"nr":"1"},{"nr":"2"},{"nr":""}]'
  return: 'SUCCEED'
---
test case: 'single column (2)'
in:
  csv: |
      nr
      1
      2
  params: "\n\n0"
out:
  result: '[{"1":"nr"},{"1":"1"},{"1":"2"},{}]'
  return: 'SUCCEED'
---
test case: 'single line (1)'
in:
  csv: "a,b,c"
  params: "\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'single line (2)'
in:
  csv: "a,b,c"
  params: "\n\n0"
out:
  result: '[{"1":"a","2":"b","3":"c"}]'
  return: 'SUCCEED'
---
test case: 'no trailing line break (1)'
in:
  csv: "nr,\"name\",addr\n\"1\",abc,xyz\n\"2\",\"cba\",zyx"
  params: "\n\"\n1"
out:
  result: '[{"nr":"1","name":"abc","addr":"xyz"},{"nr":"2","name":"cba","addr":"zyx"}]'
  return: 'SUCCEED'
---
test case: 'no trailing line break (2)'
in:
  csv: "nr,\"name\",addr\n\"1\",abc,xyz\n\"2\",\"cba\","
  params: "\n\"\n1"
out:
  result: '[{"nr":"1","name":"abc","addr":"xyz"},{"nr":"2","name":"cba","addr":""}]'
  return: 'SUCCEED'
---
test case: 'no trailing line break (3)'
in:
  csv: "nr,\"name\",addr\n\"1\",abc,xyz\n\"2\",\"cba\",\"zyx\""
  params: "\n\"\n1"
out:
  result: '[{"nr":"1","name":"abc","addr":"xyz"},{"nr":"2","name":"cba","addr":"zyx"}]'
  return: 'SUCCEED'
---
test case: 'empty fields (1)'
in:
  csv: ",,"
  params: "\n\n1"
out:
  result: ''
  return: 'FAIL'
---
test case: 'empty fields (2)'
in:
  csv: ",,"
  params: "\n\n0"
out:
  result: '[{"1":"","2":"","3":""}]'
  return: 'SUCCEED'
---
test case: 'empty fields (3)'
in:
  csv: "a,b,c\n,,"
  params: "\n\n1"
out:
  result: '[{"a":"","b":"","c":""}]'
  return: 'SUCCEED'
---
test case: 'delimiter in quoted field'
in:
  csv: '`fld,1`,`fld,2`'
  params: "\n`\n0"
out:
  result: '[{"1":"fld,1","2":"fld,2"}]'
  return: 'SUCCEED'
---
test case: 'quotation character in unquoted field'
in:
  csv: 'fld`1,fld`2'
  params: "\n`\n0"
out:
  result: '[{"1":"fld`1","2":"fld`2"}]'
  return: 'SUCCEED'
---
test case: 'quotation character in unquoted field (2)'
in:
  csv: ' `fld`1` , `fld`2` '
  params: "\n`\n0"
out:
  result: '[{"1":" `fld`1` ","2":" `fld`2` "}]'
  return: 'SUCCEED'
---
test case: 'escaped quotation character'
in:
  csv: '`fld``1`,`fld``2`'
  params: "\n`\n0"
out:
  result: '[{"1":"fld`1","2":"fld`2"}]'
  return: 'SUCCEED'
---
test case: 'delimiter set in sep line'
in:
  csv: |-
    sEp=.
    col1,.;col2,.;
    fld1,.;fld2,.;
  params: "\n\n1"
out:
  result: '[{"col1,":"fld1,",";col2,":";fld2,",";":";"}]'
  return: 'SUCCEED'
---
test case: 'cr/nl line breaks'
in:
  csv: "Sep=.\r\nname.addr\r\nabc.xyz\r\n\r\nfld1.fld2\r\n\r\n\r\nfld3.fld4\r\n"
  params: "\n\n1"
out:
  result: '[{"name":"abc","addr":"xyz"},{"name":"","addr":""},{"name":"fld1","addr":"fld2"},{"name":"","addr":""},{"name":"","addr":""},{"name":"fld3","addr":"fld4"},{"name":"","addr":""}]'
  return: 'SUCCEED'
---
test case: 'various length rows'
in:
  csv: |-
    fld1,fld2,fld3
    fld1,fld2,fld3,fld4
    fld1,fld2
    fld1,fld2,fld3,fld4,fld5
  params: "\n\n0"
out:
  result: '[{"1":"fld1","2":"fld2","3":"fld3"},{"1":"fld1","2":"fld2","3":"fld3","4":"fld4"},{"1":"fld1","2":"fld2"},{"1":"fld1","2":"fld2","3":"fld3","4":"fld4","5":"fld5"}]'
  return: 'SUCCEED'
---
test case: 'equal delimiter and quotation characters'
in:
  csv: |-
    ,fld1,,fld2
  params: ",\n,\n0"
out:
  result: '[{"1":"","2":"fld1","3":"","4":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 2-byte delimiter'
in:
  csv: |-
    col1фcol2
    fld1фfld2
  params: "ф\n\n1"
out:
  result: '[{"col1":"fld1","col2":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 3-byte delimiter set in sep line'
in:
  csv: |-
    sep=ꢂ
    col1ꢂcol2
    fld1ꢂfld2
  params: "\n\n1"
out:
  result: '[{"col1":"fld1","col2":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 4-byte delimiter'
in:
  csv: |-
    col1😀col2
    fld1😀fld2
  params: "😀\n\n1"
out:
  result: '[{"col1":"fld1","col2":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 2-byte quotation character'
in:
  csv: |-
    ыcol1ы,ыcol,2ы
    ыfld1ы,ыfld,2ы
  params: "\nы\n1"
out:
  result: '[{"col1":"fld1","col,2":"fld,2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 3-byte quotation character'
in:
  csv: |-
    ꢂcol1ꢂ,ꢂcol,2ꢂ
    ꢂfld1ꢂ,ꢂfld,2ꢂ
  params: "\nꢂ\n1"
out:
  result: '[{"col1":"fld1","col,2":"fld,2"}]'
  return: 'SUCCEED'
---
test case: 'UTF8 multi-byte delimiter and quotation characters'
in:
  csv: |-
    😀col1😀ꢂ😀col2😀ꢂ😀😀
    fld1ꢂ😀fld2😀ꢂ
  params: "ꢂ\n😀\n1"
out:
  result: '[{"col1":"fld1","col2":"fld2","":""}]'
  return: 'SUCCEED'
---
test case: 'delimiter set to space'
in:
  csv: |-
    col1 col2 `col 3` 
    fld1 fld2 `fld 3` 
  params: " \n`\n1"
out:
  result: '[{"col1":"fld1","col2":"fld2","col 3":"fld 3","":""}]'
  return: 'SUCCEED'
---
test case: 'quotation character set to space'
in:
  csv: |-
    col1, col2 ,col 3
     fld1 ,fld2, fld  3 
  params: "\n \n1"
out:
  result: '[{"col1":"fld1","col2":"fld2","col 3":"fld 3"}]'
  return: 'SUCCEED'
---
test case: 'sep line only (1)'
in:
  csv: 'sep=.'
  params: "\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'sep line only (2)'
in:
  csv: 'sep=.'
  params: "\n\n0"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'sep line only (3)'
in:
  csv: "sep=.\n"
  params: "\n\n1"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'sep line only (4)'
in:
  csv: 'sep=.'
  params: "\n\n0"
out:
  result: '[]'
  return: 'SUCCEED'
---
test case: 'unsupported sep line (1)'
in:
  csv: |-
    sep=.;
    fld1,fld2
  params: "\n\n0"
out:
  result: '[{"1":"sep=.;"},{"1":"fld1","2":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'unsupported sep line (2)'
in:
  csv: |-
    sep=
    fld1,fld2
  params: "\n\n0"
out:
  result: '[{"1":"sep="},{"1":"fld1","2":"fld2"}]'
  return: 'SUCCEED'
---
test case: 'duplicated column names (1)'
in:
  csv: |-
    col1,col1
    fld1,fld2
  params: "\n\n1"
out:
  result: ''
  return: 'FAIL'
---
test case: 'duplicated column names (2)'
in:
  csv: |-
    ,
    fld1,fld2
  params: "\n\n1"
out:
  result: ''
  return: 'FAIL'
---
test case: 'more fields in data row than in header'
in:
  csv: |-
    col1,col1
    fld1,fld2,fld3
  params: "\n\n1"
out:
  result: ''
  return: 'FAIL'
---
test case: 'unclosed quoted field'
in:
  csv: 'col1,"col1'
  params: "\n\"\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'unclosed quoted field (UTF8-2)'
in:
  csv: 'col1,ыcol1'
  params: "\nы\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'unclosed quoted field (UTF8-3)'
in:
  csv: 'col1,ꢂcol1'
  params: "\nꢂ\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'unclosed quoted field (UTF8-4)'
in:
  csv: 'col1,😀col1'
  params: "\n😀\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'escaped quotation character in unclosed quoted field (UTF8-3)'
in:
  csv: 'col1,ꢂcol1ꢂꢂ'
  params: "\nꢂ\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'missing delimiter or line break after quoted field'
in:
  csv: 'col1,"col1" '
  params: "\n\"\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'unsupported line break'
in:
  csv: "col1,col1\n\rfld1,fld2"
  params: "\n\n0"
out:
  result: ''
  return: 'FAIL'
---
test case: 'CSV sample input (1)'
in:
  csv: |
    sEp=.
    ;c`2;`;```;😀ꢂыa;col.5;`col6`;col7
    fld.1;`fld.2`;f`3;`;```;;``;aыꢂ😀
    
    ``;fld2`ы;fld3ꢂ`;`😀`;;``
    
    
    ;c`2;`;```;😀ꢂыa;col.5;`col6`;col7
  params: ";\n`\n1"
out:
  result: '[{"":"fld.1","c`2":"fld.2",";`":"f`3","😀ꢂыa":";`","col.5":"","col6":"","col7":"aыꢂ😀"},{"":"","c`2":"",";`":"","😀ꢂыa":"","col.5":"","col6":"","col7":""},{"":"","c`2":"fld2`ы",";`":"fld3ꢂ`","😀ꢂыa":"😀","col.5":"","col6":"","col7":""},{"":"","c`2":"",";`":"","😀ꢂыa":"","col.5":"","col6":"","col7":""},{"":"","c`2":"",";`":"","😀ꢂыa":"","col.5":"","col6":"","col7":""},{"":"","c`2":"c`2",";`":";`","😀ꢂыa":"😀ꢂыa","col.5":"col.5","col6":"col6","col7":"col7"},{"":"","c`2":"",";`":"","😀ꢂыa":"","col.5":"","col6":"","col7":""}]'
  return: 'SUCCEED'
---
test case: 'CSV sample input (2)'
in:
  csv: |-
    sEp=.
    col1,.;col2,.;
    fld1,.;fld2,.;
  params: ";\n\n1"
out:
  result: '[{"col1,.":"fld1,.","col2,.":"fld2,.","":""}]'
  return: 'SUCCEED'
...