diff --git a/test-cases.js b/test-cases.js
new file mode 100644
index 0000000..eee7dd5
--- /dev/null
+++ b/test-cases.js
@@ -0,0 +1,2155 @@
+var chai;
+var Papa;
+if (typeof module !== 'undefined' && module.exports) {
+	chai = require('chai');
+	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([""], ""); // eslint-disable-line no-new
+	FILES_ENABLED = true;
+} catch (e) {} // safari, ie
+
+var XHR_ENABLED = false;
+try {
+	new XMLHttpRequest(); // eslint-disable-line no-new
+	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: "Quoted field has invalid trailing quote after delimiter with a valid closer",
+		input: '"a,"b,c"\nd,e,f',
+		notes: "The input is malformed, opening quotes identified, trailing quote is malformed. Trailing quote should be escaped or followed by valid new line or delimiter to be valid",
+		expected: {
+			data: [['a,"b,c'], ['d', 'e', 'f']],
+			errors: [{
+				"type": "Quotes",
+				"code": "InvalidQuotes",
+				"message": "Trailing quote on quoted field is malformed",
+				"row": 0,
+				"index": 1
+			}]
+		}
+	},
+	{
+		description: "Quoted field has invalid trailing quote after delimiter",
+		input: 'a,"b,"c\nd,e,f',
+		notes: "The input is malformed, opening quotes identified, trailing quote is malformed. Trailing quote should be escaped or followed by valid new line or delimiter to be valid",
+		expected: {
+			data: [['a', 'b,"c\nd,e,f']],
+			errors: [{
+				"type": "Quotes",
+				"code": "InvalidQuotes",
+				"message": "Trailing quote on quoted field is malformed",
+				"row": 0,
+				"index": 3
+			},
+            {
+                "type": "Quotes",
+                "code": "MissingQuotes",
+                "message": "Quoted field unterminated",
+                "row": 0,
+                "index": 3
+            }]
+		}
+	},
+	{
+		description: "Quoted field has invalid trailing quote before delimiter",
+		input: 'a,"b"c,d\ne,f,g',
+		notes: "The input is malformed, opening quotes identified, trailing quote is malformed. Trailing quote should be escaped or followed by valid new line or delimiter to be valid",
+		expected: {
+			data: [['a', 'b"c,d\ne,f,g']],
+			errors: [{
+				"type": "Quotes",
+				"code": "InvalidQuotes",
+				"message": "Trailing quote on quoted field is malformed",
+				"row": 0,
+				"index": 3
+			},
+            {
+                "type": "Quotes",
+                "code": "MissingQuotes",
+                "message": "Quoted field unterminated",
+                "row": 0,
+                "index": 3
+            }]
+		}
+	},
+	{
+		description: "Quoted field has invalid trailing quote after new line",
+		input: 'a,"b,c\nd"e,f,g',
+		notes: "The input is malformed, opening quotes identified, trailing quote is malformed. Trailing quote should be escaped or followed by valid new line or delimiter to be valid",
+		expected: {
+			data: [['a', 'b,c\nd"e,f,g']],
+			errors: [{
+				"type": "Quotes",
+				"code": "InvalidQuotes",
+				"message": "Trailing quote on quoted field is malformed",
+				"row": 0,
+				"index": 3
+			},
+            {
+                "type": "Quotes",
+                "code": "MissingQuotes",
+                "message": "Quoted field unterminated",
+                "row": 0,
+                "index": 3
+            }]
+		}
+	},
+	{
+		description: "Quoted field has valid trailing quote via delimiter",
+		input: 'a,"b",c\nd,e,f',
+		notes: "Trailing quote is valid due to trailing delimiter",
+		expected: {
+			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted field has valid trailing quote via \\n",
+		input: 'a,b,"c"\nd,e,f',
+		notes: "Trailing quote is valid due to trailing new line delimiter",
+		expected: {
+			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted field has valid trailing quote via EOF",
+		input: 'a,b,c\nd,e,"f"',
+		notes: "Trailing quote is valid due to EOF",
+		expected: {
+			data: [['a', 'b', 'c'], ['d', 'e', 'f']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted field contains delimiters and \\n with valid trailing quote",
+		input: 'a,"b,c\nd,e,f"',
+		notes: "Trailing quote is valid due to trailing delimiter",
+		expected: {
+			data: [['a', 'b,c\nd,e,f']],
+			errors: []
+		}
+	},
+	{
+		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: "Line ends with quoted field, first field of next line is empty, \\n",
+		input: 'a,b,c\n,e,f\n,"h","i"\n,"k","l"',
+		config: {
+			newline: '\n',
+		},
+		expected: {
+			data: [['a', 'b', 'c'], ['', 'e', 'f'], ['', 'h', 'i'], ['', '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: "Quoted fields with spaces between closing quote and next delimiter",
+		input: 'A,"B" ,C,D\r\nE,F,"G"  ,H',
+		expected: {
+			data: [['A', 'B', 'C','D'],['E', 'F', 'G','H']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted fields with spaces between closing quote and next new line",
+		input: 'A,B,C,"D" \r\nE,F,G,"H"  \r\nQ,W,E,R',
+		expected: {
+			data: [['A', 'B', 'C','D'],['E', 'F', 'G','H'],['Q', 'W', 'E','R']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted fields with spaces after closing quote",
+		input: 'A,"B" ,C,"D" \r\nE,F,"G"  ,"H"  \r\nQ,W,"E" ,R',
+		expected: {
+			data: [['A', 'B', 'C','D'],['E', 'F', 'G','H'],['Q', 'W', 'E','R']],
+			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: "Header rows are trimmed when trimHeaders is set",
+		input: '  A , B  ,  C  \r\na,b ,c',
+		config: { header: true, trimHeaders: true },
+		expected: {
+			data: [{"A": "a", "B": "b ", "C": "c"}],
+			errors: []
+		}
+	},
+	{
+		description: "Line ends with quoted field, first field of next line is empty using headers",
+		input: 'a,b,"c"\r\nd,e,"f"\r\n,"h","i"\r\n,"k","l"',
+		config: {
+			header: true,
+			newline: '\r\n',
+		},
+		expected: {
+			data: [
+				{a: 'd', b: 'e', c: 'f'},
+				{a: '', b: 'h', c: 'i'},
+				{a: '', b: 'k', c: 'l'}
+			],
+			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: "Dynamic typing by indices can be determined by function",
+		input: '001,002,003',
+		config: { dynamicTyping: function(field) { return (field % 2) === 0; } },
+		expected: {
+			data: [[1, "002", 3]],
+			errors: []
+		}
+	},
+	{
+		description: "Dynamic typing by headers can be determined by function",
+		input: 'A_as_int,B,C_as_int\r\n001,002,003',
+		config: { header: true, dynamicTyping: function(field) { return /_as_int$/.test(field); } },
+		expected: {
+			data: [{"A_as_int": 1, "B": "002", "C_as_int": 3}],
+			errors: []
+		}
+	},
+	{
+		description: "Dynamic typing converts empty values into NULL",
+		input: '1,2.2,1e3\r\n,NULL,\r\n-,5a,null',
+		config: { dynamicTyping: true },
+		expected: {
+			data: [[1, 2.2, 1000], [null, "NULL", null], ["-", "5a", "null"]],
+			errors: []
+		}
+	},
+	{
+		description: "Custom transform function is applied to values",
+		input: 'A,B,C\r\nd,e,f',
+		config: {
+			transform: function(value) {
+				return value.toLowerCase();
+			}
+		},
+		expected: {
+			data: [["a","b","c"], ["d","e","f"]],
+			errors: []
+		}
+	},
+	{
+		description: "Dynamic typing converts ISO date strings to Dates",
+		input: 'ISO date,long date\r\n2018-05-04T21:08:03.269Z,Fri May 04 2018 14:08:03 GMT-0700 (PDT)\r\n2018-05-08T15:20:22.642Z,Tue May 08 2018 08:20:22 GMT-0700 (PDT)',
+		config: { dynamicTyping: true },
+		expected: {
+			data: [["ISO date", "long date"], [new Date("2018-05-04T21:08:03.269Z"), "Fri May 04 2018 14:08:03 GMT-0700 (PDT)"], [new Date("2018-05-08T15:20:22.642Z"), "Tue May 08 2018 08:20:22 GMT-0700 (PDT)"]],
+			errors: []
+		}
+	},
+	{
+		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: "Skip empty lines while detecting delimiter",
+		notes: "Parsing correctly newline-terminated short data with delimiter:auto and skipEmptyLines:true",
+		input: 'a,b\n1,2\n3,4\n',
+		config: { header: true, skipEmptyLines: true },
+		expected: {
+			data: [{'a': '1', 'b': '2'}, {'a': '3', 'b': '4'}],
+			errors: []
+		}
+	},
+	{
+		description: "Lines with comments are not used when guessing the delimiter in an escaped file",
+		notes: "Guessing the delimiter should work even if there are many lines of comments at the start of the file",
+		input: '#1\n#2\n#3\n#4\n#5\n#6\n#7\n#8\n#9\n#10\none,"t,w,o",three\nfour,five,six',
+		config: { comments: '#' },
+		expected: {
+			data: [['one','t,w,o','three'],['four','five','six']],
+			errors: []
+		}
+	},
+	{
+		description: "Lines with comments are not used when guessing the delimiter in a non-escaped file",
+		notes: "Guessing the delimiter should work even if there are many lines of comments at the start of the file",
+		input: '#1\n#2\n#3\n#4\n#5\n#6\n#7\n#8\n#9\n#10\n#11\none,two,three\nfour,five,six',
+		config: { comments: '#' },
+		expected: {
+			data: [['one','two','three'],['four','five','six']],
+			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: []
+		}
+	},
+	{
+		description: "Custom escape character in the middle",
+		notes: "Must parse correctly if the backslash sign (\\) is configured as a custom escape character",
+		input: 'a,b,"c\\"d\\"f"',
+		config: { escapeChar: '\\' },
+		expected: {
+			data: [['a', 'b', 'c"d"f']],
+			errors: []
+		}
+	},
+	{
+		description: "Custom escape character at the end",
+		notes: "Must parse correctly if the backslash sign (\\) is configured as a custom escape character and the escaped quote character appears at the end of the column",
+		input: 'a,b,"c\\"d\\""',
+		config: { escapeChar: '\\' },
+		expected: {
+			data: [['a', 'b', 'c"d"']],
+			errors: []
+		}
+	},
+	{
+		description: "Custom escape character not used for escaping",
+		notes: "Must parse correctly if the backslash sign (\\) is configured as a custom escape character and appears as regular character in the text",
+		input: 'a,b,"c\\d"',
+		config: { escapeChar: '\\' },
+		expected: {
+			data: [['a', 'b', 'c\\d']],
+			errors: []
+		}
+	},
+	{
+		description: "Header row with preceding comment",
+		notes: "Must parse correctly headers if they are preceded by comments",
+		input: '#Comment\na,b\nc,d\n',
+		config: { header: true, comments: '#', skipEmptyLines: true, delimiter: ',' },
+		expected: {
+			data: [{'a': 'c', 'b': 'd'}],
+			errors: []
+		}
+	},
+	{
+		description: "Carriage return in header inside quotes, with line feed endings",
+		input: '"a\r\na","b"\n"c","d"\n"e","f"\n"g","h"\n"i","j"',
+		config: {},
+		expected: {
+			data: [['a\r\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: []
+		}
+	},
+	{
+		description: "Line feed in header inside quotes, with carriage return + line feed endings",
+		input: '"a\na","b"\r\n"c","d"\r\n"e","f"\r\n"g","h"\r\n"i","j"',
+		config: {},
+		expected: {
+			data: [['a\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: []
+		}
+	},
+	{
+		description: "Using \\r\\n endings uses \\r\\n linebreak",
+		input: 'a,b\r\nc,d\r\ne,f\r\ng,h\r\ni,j',
+		config: {},
+		expected: {
+			data: [['a', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\r\n',
+				delimiter: ',',
+				cursor: 23,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using \\n endings uses \\n linebreak",
+		input: 'a,b\nc,d\ne,f\ng,h\ni,j',
+		config: {},
+		expected: {
+			data: [['a', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\n',
+				delimiter: ',',
+				cursor: 19,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using \\r\\n endings with \\r\\n in header field uses \\r\\n linebreak",
+		input: '"a\r\na",b\r\nc,d\r\ne,f\r\ng,h\r\ni,j',
+		config: {},
+		expected: {
+			data: [['a\r\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\r\n',
+				delimiter: ',',
+				cursor: 28,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using \\r\\n endings with \\n in header field uses \\r\\n linebreak",
+		input: '"a\na",b\r\nc,d\r\ne,f\r\ng,h\r\ni,j',
+		config: {},
+		expected: {
+			data: [['a\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\r\n',
+				delimiter: ',',
+				cursor: 27,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using \\r\\n endings with \\n in header field with skip empty lines uses \\r\\n linebreak",
+		input: '"a\na",b\r\nc,d\r\ne,f\r\ng,h\r\ni,j\r\n',
+		config: {skipEmptyLines: true},
+		expected: {
+			data: [['a\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\r\n',
+				delimiter: ',',
+				cursor: 29,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using \\n endings with \\r\\n in header field uses \\n linebreak",
+		input: '"a\r\na",b\nc,d\ne,f\ng,h\ni,j',
+		config: {},
+		expected: {
+			data: [['a\r\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\n',
+				delimiter: ',',
+				cursor: 24,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Using reserved regex characters as quote characters",
+		input: '.a\na.,b\r\nc,d\r\ne,f\r\ng,h\r\ni,j',
+		config: { quoteChar: '.' },
+		expected: {
+			data: [['a\na', 'b'], ['c', 'd'], ['e', 'f'], ['g', 'h'], ['i', 'j']],
+			errors: [],
+			meta: {
+				linebreak: '\r\n',
+				delimiter: ',',
+				cursor: 27,
+				aborted: false,
+				truncated: false
+			}
+		}
+	},
+	{
+		description: "Parsing with skipEmptyLines set to 'greedy'",
+		notes: "Must parse correctly without lines with no content",
+		input: 'a,b\n\n,\nc,d\n , \n""," "\n	,	\n,,,,\n',
+		config: { skipEmptyLines: 'greedy' },
+		expected: {
+			data: [['a', 'b'], ['c', 'd']],
+			errors: []
+		}
+	},
+	{
+		description: "Parsing with skipEmptyLines set to 'greedy' with quotes and delimiters as content",
+		notes: "Must include lines with escaped delimiters and quotes",
+		input: 'a,b\n\n,\nc,d\n" , ",","\n""" """,""""""\n\n\n',
+		config: { skipEmptyLines: 'greedy' },
+		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);
+			// allows for testing the meta object if present in the test
+			if (test.expected.meta) {
+				assert.deepEqual(actual.meta, test.expected.meta);
+			}
+			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: "Custom delimiter (Multi-character)",
+		input: [['A', 'b', 'c'], ['d', 'e', 'f']],
+		config: { delimiter: ', ' },
+		expected: 'A, b, c\r\nd, e, 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: "Pipes with decimal numbers and comma as decimal separator",
+		input: 'a|3,4|b\r\nc|3,4|d',
+		expected: {
+			data: [['a','3,4','b'],['c','3,4','d']],
+			errors: []
+		}
+	},
+	{
+		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'
+	},
+	{
+		description: "Date objects are exported in its ISO representation",
+		input: [{date: new Date("2018-05-04T21:08:03.269Z"), "not a date": 16}, {date: new Date("Tue May 08 2018 08:20:22 GMT-0700 (PDT)"), "not a date": 32}],
+		expected: 'date,not a date\r\n2018-05-04T21:08:03.269Z,16\r\n2018-05-08T15:20:22.000Z,32'
+	},
+	{
+		description: "Returns empty rows when empty rows are passed and skipEmptyLines is false",
+		input: [[null, ' '], [], ['1', '2']],
+		config: {skipEmptyLines: false},
+		expected: '," "\r\n\r\n1,2'
+	},
+	{
+		description: "Returns without empty rows when skipEmptyLines is true",
+		input: [[null, ' '], [], ['1', '2']],
+		config: {skipEmptyLines: true},
+		expected: '," "\r\n1,2'
+	},
+	{
+		description: "Returns without rows with no content when skipEmptyLines is 'greedy'",
+		input: [[null, ' '], [], ['1', '2']],
+		config: {skipEmptyLines: 'greedy'},
+		expected: '1,2'
+	},
+	{
+		description: "Returns empty rows when empty rows are passed and skipEmptyLines is false with headers",
+		input: [{a: null, b: ' '}, {}, {a: '1', b: '2'}],
+		config: {skipEmptyLines: false, header: true},
+		expected: 'a,b\r\n," "\r\n\r\n1,2'
+	},
+	{
+		description: "Returns without empty rows when skipEmptyLines is true with headers",
+		input: [{a: null, b: ' '}, {}, {a: '1', b: '2'}],
+		config: {skipEmptyLines: true, header: true},
+		expected: 'a,b\r\n," "\r\n1,2'
+	},
+	{
+		description: "Returns without rows with no content when skipEmptyLines is 'greedy' with headers",
+		input: [{a: null, b: ' '}, {}, {a: '1', b: '2'}],
+		config: {skipEmptyLines: 'greedy', header: true},
+		expected: 'a,b\r\n1,2'
+	}
+];
+
+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: "Chunk functions can pause parsing",
+		expected: [
+			[['A', 'b', 'c']]
+		],
+		run: function(callback) {
+			var updates = [];
+			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
+				chunkSize: 10,
+				chunk: function(response, handle) {
+					updates.push(response.data);
+					handle.pause();
+					callback(updates);
+				},
+				complete: function() {
+					callback(new Error('incorrect complete callback'));
+				}
+			});
+		}
+	},
+	{
+		description: "Chunk 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', {
+				chunkSize: 10,
+				chunk: function(response, h) {
+					updates.push(response.data);
+					if (!first) return;
+					handle = h;
+					handle.pause();
+					first = false;
+				},
+				complete: function() {
+					callback(updates);
+				}
+			});
+			setTimeout(function() {
+				handle.resume();
+			}, 500);
+		}
+	},
+	{
+		description: "Chunk functions can abort parsing",
+		expected: [
+			[['A', 'b', 'c']]
+		],
+		run: function(callback) {
+			var updates = [];
+			Papa.parse('A,b,c\nd,E,f\nG,h,i', {
+				chunkSize: 1,
+				chunk: function(response, handle) {
+					if (response.data.length) {
+						updates.push(response.data);
+						handle.abort();
+					}
+				},
+				complete: function(response) {
+					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) {
+			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]);
+	}
+});