text: if (typeof module !== 'undefined' && module.exports) {
  	var chai = require('chai');
  	var Papa = require('../papaparse.js');
  }
  
  var assert = chai.assert;
  
  var RECORD_SEP = String.fromCharCode(30);
  var UNIT_SEP = String.fromCharCode(31);
  var FILES_ENABLED = false;
  try {
  	new File([""], "");
  	FILES_ENABLED = true;
  } catch (e) {} // safari, ie
  
  var XHR_ENABLED = false;
  try {
  	new XMLHttpRequest();
  	XHR_ENABLED = true;
  } catch (e) {} // safari, ie
  
  // Tests for the core parser using new Papa.Parser().parse() (CSV to JSON)
  var CORE_PARSER_TESTS = [
  	{
  		description: "One row",
  		input: 'A,b,c',
  		expected: {
  			data: [['A', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Two rows",
  		input: 'A,b,c\nd,E,f',
  		expected: {
  			data: [['A', 'b', 'c'], ['d', 'E', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Three rows",
  		input: 'A,b,c\nd,E,f\nG,h,i',
  		expected: {
  			data: [['A', 'b', 'c'], ['d', 'E', 'f'], ['G', 'h', 'i']],
  			errors: []
  		}
  	},
  	{
  		description: "Whitespace at edges of unquoted field",
  		input: 'a,  b ,c',
  		notes: "Extra whitespace should graciously be preserved",
  		expected: {
  			data: [['a', '  b ', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field",
  		input: 'A,"B",C',
  		expected: {
  			data: [['A', 'B', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with extra whitespace on edges",
  		input: 'A," B  ",C',
  		expected: {
  			data: [['A', ' B  ', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with delimiter",
  		input: 'A,"B,B",C',
  		expected: {
  			data: [['A', 'B,B', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with line break",
  		input: 'A,"B\nB",C',
  		expected: {
  			data: [['A', 'B\nB', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted fields with line breaks",
  		input: 'A,"B\nB","C\nC\nC"',
  		expected: {
  			data: [['A', 'B\nB', 'C\nC\nC']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted fields at end of row with delimiter and line break",
  		input: 'a,b,"c,c\nc"\nd,e,f',
  		expected: {
  			data: [['a', 'b', 'c,c\nc'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with escaped quotes",
  		input: 'A,"B""B""B",C',
  		expected: {
  			data: [['A', 'B"B"B', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with escaped quotes at boundaries",
  		input: 'A,"""B""",C',
  		expected: {
  			data: [['A', '"B"', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Unquoted field with quotes at end of field",
  		notes: "The quotes character is misplaced, but shouldn't generate an error or break the parser",
  		input: 'A,B",C',
  		expected: {
  			data: [['A', 'B"', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with quotes around delimiter",
  		input: 'A,""",""",C',
  		notes: "For a boundary to exist immediately before the quotes, we must not already be in quotes",
  		expected: {
  			data: [['A', '","', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with quotes on right side of delimiter",
  		input: 'A,",""",C',
  		notes: "Similar to the test above but with quotes only after the comma",
  		expected: {
  			data: [['A', ',"', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with quotes on left side of delimiter",
  		input: 'A,""",",C',
  		notes: "Similar to the test above but with quotes only before the comma",
  		expected: {
  			data: [['A', '",', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with 5 quotes in a row and a delimiter in there, too",
  		input: '"1","cnonce="""",nc=""""","2"',
  		notes: "Actual input reported in issue #121",
  		expected: {
  			data: [['1', 'cnonce="",nc=""', '2']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with whitespace around quotes",
  		input: 'A, "B" ,C',
  		notes: "The quotes must be immediately adjacent to the delimiter to indicate a quoted field",
  		expected: {
  			data: [['A', ' "B" ', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Misplaced quotes in data, not as opening quotes",
  		input: 'A,B "B",C',
  		notes: "The input is technically malformed, but this syntax should not cause an error",
  		expected: {
  			data: [['A', 'B "B"', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field has no closing quote",
  		input: 'a,"b,c\nd,e,f',
  		expected: {
  			data: [['a', 'b,c\nd,e,f']],
  			errors: [{
  				"type": "Quotes",
  				"code": "MissingQuotes",
  				"message": "Quoted field unterminated",
  				"row": 0,
  				"index": 3
  			}]
  		}
  	},
  	{
  		description: "Line starts with quoted field",
  		input: 'a,b,c\n"d",e,f',
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Line ends with quoted field",
  		input: 'a,b,c\nd,e,f\n"g","h","i"\n"j","k","l"',
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i'], ['j', 'k', 'l']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field at end of row (but not at EOF) has quotes",
  		input: 'a,b,"c""c"""\nd,e,f',
  		expected: {
  			data: [['a', 'b', 'c"c"'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
    {
      description: "Empty quoted field at EOF is empty",
      input: 'a,b,""\na,b,""',
      expected: {
        data: [['a', 'b', ''], ['a', 'b', '']],
        errors: []
      }
    },
  	{
  		description: "Multiple consecutive empty fields",
  		input: 'a,b,,,c,d\n,,e,,,f',
  		expected: {
  			data: [['a', 'b', '', '', 'c', 'd'], ['', '', 'e', '', '', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Empty input string",
  		input: '',
  		expected: {
  			data: [],
  			errors: []
  		}
  	},
  	{
  		description: "Input is just the delimiter (2 empty fields)",
  		input: ',',
  		expected: {
  			data: [['', '']],
  			errors: []
  		}
  	},
  	{
  		description: "Input is just empty fields",
  		input: ',,\n,,,',
  		expected: {
  			data: [['', '', ''], ['', '', '', '']],
  			errors: []
  		}
  	},
  	{
  		description: "Input is just a string (a single field)",
  		input: 'Abc def',
  		expected: {
  			data: [['Abc def']],
  			errors: []
  		}
  	},
  	{
  		description: "Commented line at beginning",
  		input: '# Comment!\na,b,c',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Commented line in middle",
  		input: 'a,b,c\n# Comment\nd,e,f',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Commented line at end",
  		input: 'a,true,false\n# Comment',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'true', 'false']],
  			errors: []
  		}
  	},
  	{
  		description: "Two comment lines consecutively",
  		input: 'a,b,c\n#comment1\n#comment2\nd,e,f',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Two comment lines consecutively at end of file",
  		input: 'a,b,c\n#comment1\n#comment2',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Three comment lines consecutively at beginning of file",
  		input: '#comment1\n#comment2\n#comment3\na,b,c',
  		config: { comments: true },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Entire file is comment lines",
  		input: '#comment1\n#comment2\n#comment3',
  		config: { comments: true },
  		expected: {
  			data: [],
  			errors: []
  		}
  	},
  	{
  		description: "Comment with non-default character",
  		input: 'a,b,c\n!Comment goes here\nd,e,f',
  		config: { comments: '!' },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Bad comments value specified",
  		notes: "Should silently disable comment parsing",
  		input: 'a,b,c\n5comment\nd,e,f',
  		config: { comments: 5 },
  		expected: {
  			data: [['a', 'b', 'c'], ['5comment'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Multi-character comment string",
  		input: 'a,b,c\n=N(Comment)\nd,e,f',
  		config: { comments: "=N(" },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Input with only a commented line",
  		input: '#commented line',
  		config: { comments: true, delimiter: ',' },
  		expected: {
  			data: [],
  			errors: []
  		}
  	},
  	{
  		description: "Input with only a commented line and blank line after",
  		input: '#commented line\n',
  		config: { comments: true, delimiter: ',' },
  		expected: {
  			data: [['']],
  			errors: []
  		}
  	},
  	{
  		description: "Input with only a commented line, without comments enabled",
  		input: '#commented line',
  		config: { delimiter: ',' },
  		expected: {
  			data: [['#commented line']],
  			errors: []
  		}
  	},
  	{
  		description: "Input without comments with line starting with whitespace",
  		input: 'a\n b\nc',
  		config: { delimiter: ',' },
  		notes: "\" \" == false, but \" \" !== false, so === comparison is required",
  		expected: {
  			data: [['a'], [' b'], ['c']],
  			errors: []
  		}
  	},
  	{
  		description: "Multiple rows, one column (no delimiter found)",
  		input: 'a\nb\nc\nd\ne',
  		expected: {
  			data: [['a'], ['b'], ['c'], ['d'], ['e']],
  			errors: []
  		}
  	},
  	{
  		description: "One column input with empty fields",
  		input: 'a\nb\n\n\nc\nd\ne\n',
  		expected: {
  			data: [['a'], ['b'], [''], [''], ['c'], ['d'], ['e'], ['']],
  			errors: []
  		}
  	},
  	{
  		description: "Fast mode, basic",
  		input: 'a,b,c\nd,e,f',
  		config: { fastMode: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Fast mode with comments",
  		input: '// Commented line\na,b,c',
  		config: { fastMode: true, comments: "//" },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Fast mode with preview",
  		input: 'a,b,c\nd,e,f\nh,j,i\n',
  		config: { fastMode: true, preview: 2 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Fast mode with blank line at end",
  		input: 'a,b,c\n',
  		config: { fastMode: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['']],
  			errors: []
  		}
  	}
  ];
  
  describe('Core Parser Tests', function() {
  	function generateTest(test) {
  		(test.disabled ? it.skip : it)(test.description, function() {
  			var actual = new Papa.Parser(test.config).parse(test.input);
  			assert.deepEqual(JSON.stringify(actual.errors), JSON.stringify(test.expected.errors));
  			assert.deepEqual(actual.data, test.expected.data);
  		});
  	}
  
  	for (var i = 0; i < CORE_PARSER_TESTS.length; i++) {
  		generateTest(CORE_PARSER_TESTS[i]);
  	}
  });
  
  
  
  // Tests for Papa.parse() function -- high-level wrapped parser (CSV to JSON)
  var PARSE_TESTS = [
  	{
  		description: "Two rows, just \\r",
  		input: 'A,b,c\rd,E,f',
  		expected: {
  			data: [['A', 'b', 'c'], ['d', 'E', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Two rows, \\r\\n",
  		input: 'A,b,c\r\nd,E,f',
  		expected: {
  			data: [['A', 'b', 'c'], ['d', 'E', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with \\r\\n",
  		input: 'A,"B\r\nB",C',
  		expected: {
  			data: [['A', 'B\r\nB', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with \\r",
  		input: 'A,"B\rB",C',
  		expected: {
  			data: [['A', 'B\rB', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Quoted field with \\n",
  		input: 'A,"B\nB",C',
  		expected: {
  			data: [['A', 'B\nB', 'C']],
  			errors: []
  		}
  	},
  	{
  		description: "Mixed slash n and slash r should choose first as precident",
  		input: 'a,b,c\nd,e,f\rg,h,i\n',
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f\rg', 'h', 'i'], ['']],
  			errors: []
  		}
  	},
  	{
  		description: "Header row with one row of data",
  		input: 'A,B,C\r\na,b,c',
  		config: { header: true },
  		expected: {
  			data: [{"A": "a", "B": "b", "C": "c"}],
  			errors: []
  		}
  	},
  	{
  		description: "Header row only",
  		input: 'A,B,C',
  		config: { header: true },
  		expected: {
  			data: [],
  			errors: []
  		}
  	},
  	{
  		description: "Row with too few fields",
  		input: 'A,B,C\r\na,b',
  		config: { header: true },
  		expected: {
  			data: [{"A": "a", "B": "b"}],
  			errors: [{
  				"type": "FieldMismatch",
  				"code": "TooFewFields",
  				"message": "Too few fields: expected 3 fields but parsed 2",
  				"row": 0
  			}]
  		}
  	},
  	{
  		description: "Row with too many fields",
  		input: 'A,B,C\r\na,b,c,d,e\r\nf,g,h',
  		config: { header: true },
  		expected: {
  			data: [{"A": "a", "B": "b", "C": "c", "__parsed_extra": ["d", "e"]}, {"A": "f", "B": "g", "C": "h"}],
  			errors: [{
  				"type": "FieldMismatch",
  				"code": "TooManyFields",
  				"message": "Too many fields: expected 3 fields but parsed 5",
  				"row": 0
  			}]
  		}
  	},
  	{
  		description: "Row with enough fields but blank field at end",
  		input: 'A,B,C\r\na,b,',
  		config: { header: true },
  		expected: {
  			data: [{"A": "a", "B": "b", "C": ""}],
  			errors: []
  		}
  	},
  	{
  		description: "Tab delimiter",
  		input: 'a\tb\tc\r\nd\te\tf',
  		config: { delimiter: "\t" },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Pipe delimiter",
  		input: 'a|b|c\r\nd|e|f',
  		config: { delimiter: "|" },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "ASCII 30 delimiter",
  		input: 'a'+RECORD_SEP+'b'+RECORD_SEP+'c\r\nd'+RECORD_SEP+'e'+RECORD_SEP+'f',
  		config: { delimiter: RECORD_SEP },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "ASCII 31 delimiter",
  		input: 'a'+UNIT_SEP+'b'+UNIT_SEP+'c\r\nd'+UNIT_SEP+'e'+UNIT_SEP+'f',
  		config: { delimiter: UNIT_SEP },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Bad delimiter (\\n)",
  		input: 'a,b,c',
  		config: { delimiter: "\n" },
  		notes: "Should silently default to comma",
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Multi-character delimiter",
  		input: 'a, b, c',
  		config: { delimiter: ", " },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Callback delimiter",
  		input: 'a$ b$ c',
  		config: { delimiter: function(input) { return input[1] + ' '; } },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing converts numeric literals",
  		input: '1,2.2,1e3\r\n-4,-4.5,-4e-5\r\n-,5a,5-2',
  		config: { dynamicTyping: true },
  		expected: {
  			data: [[1, 2.2, 1000], [-4, -4.5, -0.00004], ["-", "5a", "5-2"]],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing converts boolean literals",
  		input: 'true,false,T,F,TRUE,FALSE,True,False',
  		config: { dynamicTyping: true },
  		expected: {
  			data: [[true, false, "T", "F", true, false, "True", "False"]],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing doesn't convert other types",
  		input: 'A,B,C\r\nundefined,null,[\r\nvar,float,if',
  		config: { dynamicTyping: true },
  		expected: {
  			data: [["A", "B", "C"], ["undefined", "null", "["], ["var", "float", "if"]],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing applies to specific columns",
  		input: 'A,B,C\r\n1,2.2,1e3\r\n-4,-4.5,-4e-5',
  		config: { header: true, dynamicTyping: { A: true, C: true } },
  		expected: {
  			data: [{"A": 1, "B": "2.2", "C": 1000}, {"A": -4, "B": "-4.5", "C": -0.00004}],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing applies to specific columns by index",
  		input: '1,2.2,1e3\r\n-4,-4.5,-4e-5\r\n-,5a,5-2',
  		config: { dynamicTyping: { 1: true } },
  		expected: {
  			data: [["1", 2.2, "1e3"], ["-4", -4.5, "-4e-5"], ["-", "5a", "5-2"]],
  			errors: []
  		}
  	},
  	{
  		description: "Dynamic typing can be applied to `__parsed_extra`",
  		input: 'A,B,C\r\n1,2.2,1e3,5.5\r\n-4,-4.5,-4e-5',
  		config: { header: true, dynamicTyping: { A: true, C: true, __parsed_extra: true } },
  		expected: {
  			data: [{"A": 1, "B": "2.2", "C": 1000, "__parsed_extra": [ 5.5 ]}, {"A": -4, "B": "-4.5", "C": -0.00004}],
  			errors: [{
  				"type": "FieldMismatch",
  				"code": "TooManyFields",
  				"message": "Too many fields: expected 3 fields but parsed 4",
  				"row": 0
  			}]
  		}
  	},
  	{
  		description: "Blank line at beginning",
  		input: '\r\na,b,c\r\nd,e,f',
  		config: { newline: '\r\n' },
  		expected: {
  			data: [[''], ['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Blank line in middle",
  		input: 'a,b,c\r\n\r\nd,e,f',
  		config: { newline: '\r\n' },
  		expected: {
  			data: [['a', 'b', 'c'], [''], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Blank lines at end",
  		input: 'a,b,c\nd,e,f\n\n',
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f'], [''], ['']],
  			errors: []
  		}
  	},
  	{
  		description: "Blank line in middle with whitespace",
  		input: 'a,b,c\r\n \r\nd,e,f',
  		expected: {
  			data: [['a', 'b', 'c'], [" "], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "First field of a line is empty",
  		input: 'a,b,c\r\n,e,f',
  		expected: {
  			data: [['a', 'b', 'c'], ['', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Last field of a line is empty",
  		input: 'a,b,\r\nd,e,f',
  		expected: {
  			data: [['a', 'b', ''], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Other fields are empty",
  		input: 'a,,c\r\n,,',
  		expected: {
  			data: [['a', '', 'c'], ['', '', '']],
  			errors: []
  		}
  	},
  	{
  		description: "Empty input string",
  		input: '',
  		expected: {
  			data: [],
  			errors: [{
  				"type": "Delimiter",
  				"code": "UndetectableDelimiter",
  				"message": "Unable to auto-detect delimiting character; defaulted to ','"
  			}]
  		}
  	},
  	{
  		description: "Input is just the delimiter (2 empty fields)",
  		input: ',',
  		expected: {
  			data: [['', '']],
  			errors: []
  		}
  	},
  	{
  		description: "Input is just a string (a single field)",
  		input: 'Abc def',
  		expected: {
  			data: [['Abc def']],
  			errors: [
  				{
  					"type": "Delimiter",
  					"code": "UndetectableDelimiter",
  					"message": "Unable to auto-detect delimiting character; defaulted to ','"
  				}
  			]
  		}
  	},
  	{
  		description: "Preview 0 rows should default to parsing all",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i',
  		config: { preview: 0 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview 1 row",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i',
  		config: { preview: 1 },
  		expected: {
  			data: [['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview 2 rows",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i',
  		config: { preview: 2 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview all (3) rows",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i',
  		config: { preview: 3 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview more rows than input has",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i',
  		config: { preview: 4 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview should count rows, not lines",
  		input: 'a,b,c\r\nd,e,"f\r\nf",g,h,i',
  		config: { preview: 2 },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f\r\nf', 'g', 'h', 'i']],
  			errors: []
  		}
  	},
  	{
  		description: "Preview with header row",
  		notes: "Preview is defined to be number of rows of input not including header row",
  		input: 'a,b,c\r\nd,e,f\r\ng,h,i\r\nj,k,l',
  		config: { header: true, preview: 2 },
  		expected: {
  			data: [{"a": "d", "b": "e", "c": "f"}, {"a": "g", "b": "h", "c": "i"}],
  			errors: []
  		}
  	},
  	{
  		description: "Empty lines",
  		input: '\na,b,c\n\nd,e,f\n\n',
  		config: { delimiter: ',' },
  		expected: {
  			data: [[''], ['a', 'b', 'c'], [''], ['d', 'e', 'f'], [''], ['']],
  			errors: []
  		}
  	},
  	{
  		description: "Skip empty lines",
  		input: 'a,b,c\n\nd,e,f',
  		config: { skipEmptyLines: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Skip empty lines, with newline at end of input",
  		input: 'a,b,c\r\n\r\nd,e,f\r\n',
  		config: { skipEmptyLines: true },
  		expected: {
  			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
  			errors: []
  		}
  	},
  	{
  		description: "Skip empty lines, with empty input",
  		input: '',
  		config: { skipEmptyLines: true },
  		expected: {
  			data: [],
  			errors: [
  				{
  					"type": "Delimiter",
  					"code": "UndetectableDelimiter",
  					"message": "Unable to auto-detect delimiting character; defaulted to ','"
  				}
  			]
  		}
  	},
  	{
  		description: "Skip empty lines, with first line only whitespace",
  		notes: "A line must be absolutely empty to be considered empty",
  		input: ' \na,b,c',
  		config: { skipEmptyLines: true, delimiter: ',' },
  		expected: {
  			data: [[" "], ['a', 'b', 'c']],
  			errors: []
  		}
  	},
  	{
  		description: "Single quote as quote character",
  		notes: "Must parse correctly when single quote is specified as a quote character",
  		input: "a,b,'c,d'",
  		config: { quoteChar: "'"},
  		expected: {
  			data: [['a', 'b', 'c,d']],
  			errors: []
  		}
  	}
  ];
  
  describe('Parse Tests', function() {
  	function generateTest(test) {
  		(test.disabled ? it.skip : it)(test.description, function() {
  			var actual = Papa.parse(test.input, test.config);
  			assert.deepEqual(JSON.stringify(actual.errors), JSON.stringify(test.expected.errors));
  			assert.deepEqual(actual.data, test.expected.data);
  		});
  	}
  
  	for (var i = 0; i < PARSE_TESTS.length; i++) {
  		generateTest(PARSE_TESTS[i]);
  	}
  });
  
  
  
  // Tests for Papa.parse() that involve asynchronous operation
  var PARSE_ASYNC_TESTS = [
  	{
  		description: "Simple worker",
  		input: "A,B,C\nX,Y,Z",
  		config: {
  			worker: true,
  		},
  		expected: {
  			data: [['A','B','C'],['X','Y','Z']],
  			errors: []
  		}
  	},
  	{
  		description: "Simple download",
  		input: "sample.csv",
  		config: {
  			download: true
  		},
  		disabled: !XHR_ENABLED,
  		expected: {
  			data: [['A','B','C'],['X','Y','Z']],
  			errors: []
  		}
  	},
  	{
  		description: "Simple download + worker",
  		input: "tests/sample.csv",
  		config: {
  			worker: true,
  			download: true
  		},
  		disabled: !XHR_ENABLED,
  		expected: {
  			data: [['A','B','C'],['X','Y','Z']],
  			errors: []
  		}
  	},
  	{
  		description: "Simple file",
  		disabled: !FILES_ENABLED,
  		input: FILES_ENABLED ? new File(["A,B,C\nX,Y,Z"], "sample.csv") : false,
  		config: {
  		},
  		expected: {
  			data: [['A','B','C'],['X','Y','Z']],
  			errors: []
  		}
  	},
  	{
  		description: "Simple file + worker",
  		disabled: !FILES_ENABLED,
  		input: FILES_ENABLED ? new File(["A,B,C\nX,Y,Z"], "sample.csv") : false,
  		config: {
  			worker: true,
  		},
  		expected: {
  			data: [['A','B','C'],['X','Y','Z']],
  			errors: []
  		}
  	}
  ];
  
  describe('Parse Async Tests', function() {
  	function generateTest(test) {
  		(test.disabled ? it.skip : it)(test.description, function(done) {
  			var config = test.config;
  
  			config.complete = function(actual) {
  				assert.deepEqual(JSON.stringify(actual.errors), JSON.stringify(test.expected.errors));
  				assert.deepEqual(actual.data, test.expected.data);
  				done();
  			};
  
  			config.error = function(err) {
  				throw err;
  			};
  
  			Papa.parse(test.input, config);
  		});
  	}
  
  	for (var i = 0; i < PARSE_ASYNC_TESTS.length; i++) {
  		generateTest(PARSE_ASYNC_TESTS[i]);
  	}
  });
  
  
  
  // Tests for Papa.unparse() function (JSON to CSV)
  var UNPARSE_TESTS = [
  	{
  		description: "A simple row",
  		notes: "Comma should be default delimiter",
  		input: [['A', 'b', 'c']],
  		expected: 'A,b,c'
  	},
  	{
  		description: "Two rows",
  		input: [['A', 'b', 'c'], ['d', 'E', 'f']],
  		expected: 'A,b,c\r\nd,E,f'
  	},
  	{
  		description: "Data with quotes",
  		input: [['a', '"b"', 'c'], ['"d"', 'e', 'f']],
  		expected: 'a,"""b""",c\r\n"""d""",e,f'
  	},
  	{
  		description: "Data with newlines",
  		input: [['a', 'b\nb', 'c'], ['d', 'e', 'f\r\nf']],
  		expected: 'a,"b\nb",c\r\nd,e,"f\r\nf"'
  	},
  	{
  		description: "Array of objects (header row)",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col2": "e", "Col3": "f" }],
  		expected: 'Col1,Col2,Col3\r\na,b,c\r\nd,e,f'
  	},
  	{
  		description: "With header row, missing a field in a row",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col3": "f" }],
  		expected: 'Col1,Col2,Col3\r\na,b,c\r\nd,,f'
  	},
  	{
  		description: "With header row, with extra field in a row",
  		notes: "Extra field should be ignored; first object in array dictates header row",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col2": "e", "Extra": "g", "Col3": "f" }],
  		expected: 'Col1,Col2,Col3\r\na,b,c\r\nd,e,f'
  	},
  	{
  		description: "Specifying column names and data separately",
  		input: { fields: ["Col1", "Col2", "Col3"], data: [["a", "b", "c"], ["d", "e", "f"]] },
  		expected: 'Col1,Col2,Col3\r\na,b,c\r\nd,e,f'
  	},
  	{
  		description: "Specifying column names only (no data)",
  		notes: "Papa should add a data property that is an empty array to prevent errors (no copy is made)",
  		input: { fields: ["Col1", "Col2", "Col3"] },
  		expected: 'Col1,Col2,Col3'
  	},
  	{
  		description: "Specifying data only (no field names), improperly",
  		notes: "A single array for a single row is wrong, but it can be compensated.<br>Papa should add empty fields property to prevent errors.",
  		input: { data: ["abc", "d", "ef"] },
  		expected: 'abc,d,ef'
  	},
  	{
  		description: "Specifying data only (no field names), properly",
  		notes: "An array of arrays, even if just a single row.<br>Papa should add empty fields property to prevent errors.",
  		input: { data: [["a", "b", "c"]] },
  		expected: 'a,b,c'
  	},
  	{
  		description: "Custom delimiter (semicolon)",
  		input: [['A', 'b', 'c'], ['d', 'e', 'f']],
  		config: { delimiter: ';' },
  		expected: 'A;b;c\r\nd;e;f'
  	},
  	{
  		description: "Custom delimiter (tab)",
  		input: [['Ab', 'cd', 'ef'], ['g', 'h', 'ij']],
  		config: { delimiter: '\t' },
  		expected: 'Ab\tcd\tef\r\ng\th\tij'
  	},
  	{
  		description: "Custom delimiter (ASCII 30)",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { delimiter: RECORD_SEP },
  		expected: 'a'+RECORD_SEP+'b'+RECORD_SEP+'c\r\nd'+RECORD_SEP+'e'+RECORD_SEP+'f'
  	},
  	{
  		description: "Bad delimiter (\\n)",
  		notes: "Should default to comma",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { delimiter: '\n' },
  		expected: 'a,b,c\r\nd,e,f'
  	},
  	{
  		description: "Custom line ending (\\r)",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { newline: '\r' },
  		expected: 'a,b,c\rd,e,f'
  	},
  	{
  		description: "Custom line ending (\\n)",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { newline: '\n' },
  		expected: 'a,b,c\nd,e,f'
  	},
  	{
  		description: "Custom, but strange, line ending ($)",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { newline: '$' },
  		expected: 'a,b,c$d,e,f'
  	},
  	{
  		description: "Force quotes around all fields",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { quotes: true },
  		expected: '"a","b","c"\r\n"d","e","f"'
  	},
  	{
  		description: "Force quotes around all fields (with header row)",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col2": "e", "Col3": "f" }],
  		config: { quotes: true },
  		expected: '"Col1","Col2","Col3"\r\n"a","b","c"\r\n"d","e","f"'
  	},
  	{
  		description: "Force quotes around certain fields only",
  		input: [['a', 'b', 'c'], ['d', 'e', 'f']],
  		config: { quotes: [true, false, true] },
  		expected: '"a",b,"c"\r\n"d",e,"f"'
  	},
  	{
  		description: "Force quotes around certain fields only (with header row)",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col2": "e", "Col3": "f" }],
  		config: { quotes: [true, false, true] },
  		expected: '"Col1",Col2,"Col3"\r\n"a",b,"c"\r\n"d",e,"f"'
  	},
  	{
  		description: "Empty input",
  		input: [],
  		expected: ''
  	},
  	{
  		description: "Mismatched field counts in rows",
  		input: [['a', 'b', 'c'], ['d', 'e'], ['f']],
  		expected: 'a,b,c\r\nd,e\r\nf'
  	},
  	{
  		description: "JSON null is treated as empty value",
  		input: [{ "Col1": "a", "Col2": null, "Col3": "c" }],
  		expected: 'Col1,Col2,Col3\r\na,,c'
  	},
  	{
  		description: "Custom quote character (single quote)",
  		input: [['a,d','b','c']],
  		config: { quoteChar: "'"},
  		expected: "'a,d',b,c"
    },
    {
  		description: "Don't print header if header:false option specified",
  		input: [{ "Col1": "a", "Col2": "b", "Col3": "c" }, { "Col1": "d", "Col2": "e", "Col3": "f" }],
  		config: { header: false },
  		expected: 'a,b,c\r\nd,e,f'
  	}
  ];
  
  describe('Unparse Tests', function() {
  	function generateTest(test) {
  		(test.disabled ? it.skip : it)(test.description, function() {
  			var actual;
  
  			try {
  				actual = Papa.unparse(test.input, test.config);
  			} catch (e) {
  				if (e instanceof Error) {
  					throw e;
  				}
  				actual = e;
  			}
  
  			assert.strictEqual(actual, test.expected);
  		});
  	}
  
  	for (var i = 0; i < UNPARSE_TESTS.length; i++) {
  		generateTest(UNPARSE_TESTS[i]);
  	}
  });
  
  
  
  var CUSTOM_TESTS = [
  	{
  		description: "Complete is called with all results if neither step nor chunk is defined",
  		expected: [['A', 'b', 'c'], ['d', 'E', 'f'], ['G', 'h', 'i']],
  		disabled: !FILES_ENABLED,
  		run: function(callback) {
  			Papa.parse(new File(['A,b,c\nd,E,f\nG,h,i'], 'sample.csv'), {
  				chunkSize: 3,
  				complete: function(response) {
  					callback(response.data);
  				}
  			});
  		}
  	},
  	{
  		description: "Step is called for each row",
  		expected: 2,
  		run: function(callback) {
  			var callCount = 0;
  			Papa.parse('A,b,c\nd,E,f', {
  				step: function() {
  					callCount++;
  				},
  				complete: function() {
  					callback(callCount);
  				}
  			});
  		}
  	},
  	{
  		description: "Step is called with the contents of the row",
  		expected: ['A', 'b', 'c'],
  		run: function(callback) {
  			Papa.parse('A,b,c', {
  				step: function(response) {
  					callback(response.data[0]);
  				}
  			});
  		}
  	},
  	{
  		description: "Step is called with the last cursor position",
  		expected: [6, 12, 17],
  		run: function(callback) {
  			var updates = [];
  			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step exposes cursor for downloads",
  		expected: [129,	287, 452, 595, 727, 865, 1031, 1209],
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step exposes cursor for chunked downloads",
  		expected: [129,	287, 452, 595, 727, 865, 1031, 1209],
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step exposes cursor for workers",
  		expected: [452, 452, 452, 865, 865, 865, 1209, 1209],
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				worker: true,
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Chunk is called for each chunk",
  		expected: [3, 3, 2],
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				chunk: function(response) {
  					updates.push(response.data.length);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Chunk is called with cursor position",
  		expected: [452, 865, 1209],
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				chunk: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step exposes indexes for files",
  		expected: [6, 12, 17],
  		disabled: !FILES_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse(new File(['A,b,c\nd,E,f\nG,h,i'], 'sample.csv'), {
  				download: true,
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step exposes indexes for chunked files",
  		expected: [6, 12, 17],
  		disabled: !FILES_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse(new File(['A,b,c\nd,E,f\nG,h,i'], 'sample.csv'), {
  				chunkSize: 3,
  				step: function(response) {
  					updates.push(response.meta.cursor);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Quoted line breaks near chunk boundaries are handled",
  		expected: [['A', 'B', 'C'], ['X', 'Y\n1\n2\n3', 'Z']],
  		disabled: !FILES_ENABLED,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse(new File(['A,B,C\nX,"Y\n1\n2\n3",Z'], 'sample.csv'), {
  				chunkSize: 3,
  				step: function(response) {
  					updates.push(response.data[0]);
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Step functions can abort parsing",
  		expected: [['A', 'b', 'c']],
  		run: function(callback) {
  			var updates = [];
  			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
  				step: function(response, handle) {
  					updates.push(response.data[0]);
  					handle.abort();
  					callback(updates);
  				},
  				chunkSize: 6
  			});
  		}
  	},
  	{
  		description: "Complete is called after aborting",
  		expected: true,
  		run: function(callback) {
  			var updates = [];
  			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
  				step: function(response, handle) {
  					handle.abort();
  				},
  				chunkSize: 6,
  				complete: function (response) {
  					callback(response.meta.aborted);
  				}
  			});
  		}
  	},
  	{
  		description: "Step functions can pause parsing",
  		expected: [['A', 'b', 'c']],
  		run: function(callback) {
  			var updates = [];
  			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
  				step: function(response, handle) {
  					updates.push(response.data[0]);
  					handle.pause();
  					callback(updates);
  				},
  				complete: function() {
  					callback('incorrect complete callback');
  				}
  			});
  		}
  	},
  	{
  		description: "Step functions can resume parsing",
  		expected: [['A', 'b', 'c'], ['d', 'E', 'f'], ['G', 'h', 'i']],
  		run: function(callback) {
  			var updates = [];
  			var handle = null;
  			var first = true;
  			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
  				step: function(response, h) {
  					updates.push(response.data[0]);
  					if (!first) return;
  					handle = h;
  					handle.pause();
  					first = false;
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  			setTimeout(function() {
  				handle.resume();
  			}, 500);
  		}
  	},
  	{
  		description: "Step functions can abort workers",
  		expected: 1,
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = 0;
  			Papa.parse("/tests/long-sample.csv", {
  				worker: true,
  				download: true,
  				chunkSize: 500,
  				step: function(response, handle) {
  					updates++;
  					handle.abort();
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "beforeFirstChunk manipulates only first chunk",
  		expected: 7,
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = 0;
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				beforeFirstChunk: function(chunk) {
  					return chunk.replace(/.*?\n/, '');
  				},
  				step: function(response) {
  					updates++;
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "First chunk not modified if beforeFirstChunk returns nothing",
  		expected: 8,
  		disabled: !XHR_ENABLED,
  		run: function(callback) {
  			var updates = 0;
  			Papa.parse("/tests/long-sample.csv", {
  				download: true,
  				chunkSize: 500,
  				beforeFirstChunk: function(chunk) {
  				},
  				step: function(response) {
  					updates++;
  				},
  				complete: function() {
  					callback(updates);
  				}
  			});
  		}
  	},
  	{
  		description: "Should not assume we own the worker unless papaworker is in the search string",
  		disabled: typeof Worker === 'undefined',
  		expected: [false, true, true, true, true],
  		run: function(callback) {
  			var searchStrings = [
  				'',
  				'?papaworker',
  				'?x=1&papaworker',
  				'?x=1&papaworker&y=1',
  				'?x=1&papaworker=1'
  			];
  			var results = searchStrings.map(function () { return false; });
  			var workers = [];
  
  			// Give it .5s to do something
  			setTimeout(function () {
  				workers.forEach(function (w) { w.terminate(); });
  				callback(results);
  			}, 500);
  
  			searchStrings.forEach(function (searchString, idx) {
  				var w = new Worker('../papaparse.js' + searchString);
  				workers.push(w);
  				w.addEventListener('message', function () {
  					results[idx] = true;
  				});
  				w.postMessage({input: 'a,b,c\n1,2,3'});
  			});
  		}
  	}
  
  ];
  
  describe('Custom Tests', function() {
  	function generateTest(test) {
  		(test.disabled ? it.skip : it)(test.description, function(done) {
  			test.run(function (actual) {
  				assert.deepEqual(JSON.stringify(actual), JSON.stringify(test.expected));
  				done();
  			});
  		});
  	}
  
  	for (var i = 0; i < CUSTOM_TESTS.length; i++) {
  		generateTest(CUSTOM_TESTS[i]);
  	}
  });
  