345 lines
21 KiB
JavaScript
345 lines
21 KiB
JavaScript
define(function (require) {
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var tdd = require('intern!tdd');
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// Not really Chai but a Chai-compatible "assert" library for old IE.
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var assert = require('intern/chai!assert');
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// parse-srcset is an AMD module.
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var parseSrcset = require('../../src/parse-srcset');
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var he = require('tests/he');
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tdd.suite('Parse Srcset', function() {
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// Adapted from the W3C srcset conformance checker at:
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// http://w3c-test.org/html/semantics/embedded-content/the-img-element/srcset/parse-a-srcset-attribute.html
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var w3Ctests = [
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{
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groupName: "Splitting Loop",
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testArray: [
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{srcset: '', expect: '', desc: 'empty string'},
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{srcset: ',' , expect: '', desc: 'single comma'},
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{srcset: ',,,', expect: '', desc: 'three commas'},
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{srcset: '		data:,a		1x		', expect: 'data:,a', desc: 'tabs'},
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{srcset: '

data:,a

1x

', expect: 'data:,a', desc: 'line feeds'},
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{srcset: 'data:,a1x', expect: 'data:,a1x', desc: 'line tab'},
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{srcset: 'data:,a1x', expect: 'data:,a', desc: 'form feed U+000C'},
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{srcset: '

data:,a

1x

', expect: 'data:,a', desc: 'carriage return U+000D'},
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{srcset: 'data:,a1x', expect: 'data:,a1x', desc: 'shift out U+000E'},
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{srcset: 'data:,a1x', expect: 'data:,a1x', desc: 'shift in U+000F' },
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{srcset: 'data:,a1x', expect: 'data:,a1x', desc: 'data link escape U+0010' },
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{srcset: 'data:,a', expect: 'data:,a', desc:'plain url'},
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{srcset: 'data:,a ', expect: 'data:,a', desc:'trailing space'},
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{srcset: 'data:,a ,', expect: 'data:,a', desc:'trailing space and comma'},
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{srcset: 'data:,a,', expect: 'data:,a', desc:'trailing comma'},
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{srcset: 'data:,a, ', expect: 'data:,a', desc:'trailing comma and space'},
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{srcset: 'data:,a,,,', expect: 'data:,a', desc:'trailing three commas'},
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{srcset: 'data:,a,, , ', expect: 'data:,a', desc:'trailing two commas space comma space'},
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{srcset: ' data:,a', expect: 'data:,a', desc:'leading space'},
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{srcset: ',,,data:,a', expect: 'data:,a', desc:'leading three commas'},
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{srcset: ' , ,,data:,a', expect: 'data:,a', desc:'leading space comma space comma comma'},
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{srcset: ' data:,a', expect: ' data:,a', desc:'leading non-breaking space'},
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{srcset: 'data:,a ', expect: 'data:,a ', desc:'trailing non-breaking space'}
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]
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},
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{
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groupName: "Descriptor Tokenizer",
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testArray: [
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{srcset: 'data:,a 1x', expect: 'data:,a', desc: 'plain url with descriptor'},
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{srcset: 'data:,a 1x ', expect: 'data:,a', desc: 'trailing space'},
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{srcset: 'data:,a 1x,', expect: 'data:,a', desc: 'trailing comma'},
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{srcset: 'data:,a ( , data:,b 1x, ), data:,c', expect: 'data:,c', desc: 'irregular parens 1'},
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{srcset: 'data:,a ((( , data:,b 1x, ), data:,c', expect: 'data:,c', desc: 'irregular parens 2'},
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{srcset: 'data:,a [ , data:,b 1x, ], data:,c', expect: 'data:,b', desc: 'brackets'},
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{srcset: 'data:,a { , data:,b 1x, }, data:,c', expect: 'data:,b', desc: 'braces'},
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{srcset: 'data:,a " , data:,b 1x, ", data:,c', expect: 'data:,b', desc: 'double quotes'},
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{srcset: 'data:,a \\,data:;\\,b, data:,c', expect: 'data:;\\,b', desc: 'backslashes'},
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{srcset: 'data:,a, data:,b (', expect: 'data:,a', desc: 'trailing unclosed paren'},
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{srcset: 'data:,a, data:,b ( ', expect: 'data:,a', desc: 'unclosed paren space'},
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{srcset: 'data:,a, data:,b (,', expect: 'data:,a', desc: 'unclosed paren comma'},
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{srcset: 'data:,a, data:,b (x', expect: 'data:,a', desc: 'unclosed paren x'},
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{srcset: 'data:,a, data:,b ()', expect: 'data:,a', desc: 'parens, no descriptor'},
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{srcset: 'data:,a (, data:,b', expect: '', desc: 'unclosed paren'},
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{srcset: 'data:,a /*, data:,b, data:,c */', expect: 'data:,b', desc: 'block comments'},
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{srcset: 'data:,a //, data:,b', expect: 'data:,b', desc: 'double slash like a comment'}
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]
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},
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{ groupName: "Descriptor Parser",
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testArray : [
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{srcset: 'data:,a foo', expect: '', desc: 'trailing foo'},
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{srcset: 'data:,a foo foo', expect: '', desc: 'trailing foo foo'},
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{srcset: 'data:,a foo 1x', expect: '', desc: 'trailing foo 1x'},
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{srcset: 'data:,a foo 1x foo', expect: '', desc: 'trailing 1x foo'},
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{srcset: 'data:,a foo 1w', expect: '', desc: 'trailing foo 1w'},
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{srcset: 'data:,a foo 1w foo', expect: '', desc: 'trailing foo 1w foo'},
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{srcset: 'data:,a 1x 1x', expect: '', desc: 'two density descriptors'},
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{srcset: 'data:,a 1w 1w', expect: '', desc: 'two width descriptors'},
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{srcset: 'data:,a 1h 1h', expect: '', desc: 'two height descriptors'},
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{srcset: 'data:,a 1w 1x', expect: '', desc: 'width then density'},
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{srcset: 'data:,a 1x 1w', expect: '', desc: 'density then width'},
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{srcset: 'data:,a 1w 1h', expect: 'data:,a', desc: 'width then height'},
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{srcset: 'data:,a 1h 1w', expect: 'data:,a', desc: 'height then width'},
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{srcset: 'data:,a 1h 1x', expect: '', desc: 'height then density'},
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{srcset: 'data:,a 1h 1w 1x', expect: '', desc: 'height then width then density'},
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{srcset: 'data:,a 1x 1w 1h', expect: '', desc: 'density then width then height'},
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{srcset: 'data:,a 1h foo', expect: '', desc: 'trailing 1h foo'},
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{srcset: 'data:,a foo 1h', expect: '', desc: 'trailing foo 1h'},
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{srcset: 'data:,a 0w', expect: '', desc: 'zero width'},
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{srcset: 'data:,a -1w', expect: '', desc: 'negative width'},
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{srcset: 'data:,a 1w -1w', expect: '', desc: 'positive width, negative width'},
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{srcset: 'data:,a 1.0w', expect: '', desc: 'floating point width'},
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{srcset: 'data:,a 1w 1.0w', expect: '', desc: 'integer width, floating point width'},
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{srcset: 'data:,a 1e0w', expect: '', desc: 'exponent width'},
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{srcset: 'data:,a 1w 1e0w', expect: '', desc: 'integer width, exponent width'},
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{srcset: 'data:,a 1www', expect: '', desc: '1www'},
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{srcset: 'data:,a 1w 1www', expect: '', desc: '1w 1www'},
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{srcset: 'data:,a 1w +1w', expect: '', desc: '1w +1w'},
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{srcset: 'data:,a 1W', expect: '', desc: 'capital W descriptor'},
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{srcset: 'data:,a 1w 1W', expect: '', desc: 'lowercase w, capital W descriptors'},
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{srcset: 'data:,a Infinityw', expect: '', desc: 'Infinityw'},
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{srcset: 'data:,a 1w Infinityw', expect: '', desc: '1w Infinityw'},
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{srcset: 'data:,a NaNw', expect: '', desc: 'Nanw'},
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{srcset: 'data:,a 1w NaNw', expect: '', desc: '1w Nanw'},
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{srcset: 'data:,a 0x1w', expect: '', desc: 'ox1w'},
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{srcset: 'data:,a 1w', expect: '', desc: 'trailing U+0001'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+00A0'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+1680'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2000'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2001'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2002'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2003'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2004'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2005'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2006'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2007'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2008'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+2009'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+200A'},
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{srcset: 'data:,a 1‌w', expect: '', desc: 'trailing U+200C'},
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{srcset: 'data:,a 1‍w', expect: '', desc: 'trailing U+200D'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+202F'},
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{srcset: 'data:,a 1 w', expect: '', desc: 'trailing U+205F'},
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{srcset: 'data:,a 1　w', expect: '', desc: 'trailing U+3000'},
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{srcset: 'data:,a 1w', expect: '', desc: 'trailing U+FEFF'},
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{srcset: 'data:,a 1w' , expect: '', desc: 'leading U+0001'},
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// {srcset: 'data:,a 1w' , expect: '', desc: 'leading U+00A0 width'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+1680'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2000'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2001'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2002'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2003'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2004'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2005'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2006'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2007'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2008'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+2009'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+200A'},
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{srcset: 'data:,a ‌1w', expect: '', desc: 'leading U+200C'},
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{srcset: 'data:,a ‍1w', expect: '', desc: 'leading U+200D'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+202F'},
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{srcset: 'data:,a  1w', expect: '', desc: 'leading U+205F'},
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{srcset: 'data:,a 　1w', expect: '', desc: 'leading U+3000'},
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{srcset: 'data:,a 1w', expect: '', desc: 'leading U+FEFF'},
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{srcset: 'data:,a 0x', expect: 'data:,a', desc: 'zero density'},
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{srcset: 'data:,a -0x' , expect: 'data:,a', desc: 'negative zero density'},
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{srcset: 'data:,a 1x -0x', expect: '', desc: '1x -0x'},
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{srcset: 'data:,a -1x', expect: '', desc: '-1x'},
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{srcset: 'data:,a 1x -1x', expect: '', desc: '1x -1x'},
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{srcset: 'data:,a 1e0x', expect: 'data:,a', desc: '1e0x'},
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{srcset: 'data:,a 1E0x', expect: 'data:,a', desc: '1E0x'},
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{srcset: 'data:,a 1e-1x', expect: 'data:,a', desc: '1e-1x'},
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{srcset: 'data:,a 1.5e1x', expect: 'data:,a', desc: '1.5e1x'},
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{srcset: 'data:,a -x', expect: '', desc: 'negative density with no digits'},
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{srcset: 'data:,a .x', expect: '', desc: 'decimal density with no digits'},
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{srcset: 'data:,a -.x', expect: '', desc: '-.x'},
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{srcset: 'data:,a 1.x', expect: '', desc: '1.x'},
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{srcset: 'data:,a .5x', expect: 'data:,a', desc: 'floating point density descriptor'},
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{srcset: 'data:,a .5e1x', expect: 'data:,a', desc: '.5e1x'},
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{srcset: 'data:,a 1x 1.5e1x', expect: '', desc: '1x 1.5e1x'},
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{srcset: 'data:,a 1x 1e1.5x', expect: '', desc: '1x 1e1.5x'},
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{srcset: 'data:,a 1.0x', expect: 'data:,a', desc: '1.0x'},
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{srcset: 'data:,a 1x 1.0x', expect: '', desc: '1x 1.0x'},
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{srcset: 'data:,a +1x', expect: '', desc: 'no plus sign allowed on floating point number'},
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{srcset: 'data:,a 1X', expect: '', desc: 'Capital X descriptor'},
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{srcset: 'data:,a Infinityx', expect: '', desc: 'Infinityx'},
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{srcset: 'data:,a NaNx', expect: '', desc: 'NaNx'},
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{srcset: 'data:,a 0x1x', expect: '', desc: '0X1x'},
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{srcset: 'data:,a 0X1x', expect: '', desc: '1x'},
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{srcset: 'data:,a 1x', expect: '', desc: 'trailing U+0001'},
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{srcset: 'data:,a 1 x' , expect: '', desc: 'trailing U+00A0 density'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+1680'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2000'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2001'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2002'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2003'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2004'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2005'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2006'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2007'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2008'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+2009'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+200A'},
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{srcset: 'data:,a 1‌x', expect: '', desc: 'trailing U+200C'},
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{srcset: 'data:,a 1‍x', expect: '', desc: 'trailing U+200D'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+202F'},
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{srcset: 'data:,a 1 x', expect: '', desc: 'trailing U+205F'},
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{srcset: 'data:,a 1　x', expect: '', desc: 'trailing U+3000'},
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{srcset: 'data:,a 1x', expect: '', desc: 'trailing U+FEFF'},
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{srcset: 'data:,a 1x' , expect: '', desc: 'leading U+0001'},
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{srcset: 'data:,a 1x' , expect: '', desc: 'leading U+00A0 density'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+1680'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2000'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2001'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2002'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2003'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2004'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2005'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2006'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2007'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2008'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+2009'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+200A'},
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{srcset: 'data:,a ‌1x', expect: '', desc: 'leading U+200C'},
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{srcset: 'data:,a ‍1x', expect: '', desc: 'leading U+200D'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+202F'},
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{srcset: 'data:,a  1x', expect: '', desc: 'leading U+205F'},
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{srcset: 'data:,a 　1x', expect: '', desc: 'leading U+3000'},
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{srcset: 'data:,a 1x', expect: '', desc: 'leading U+FEFF'},
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{srcset: 'data:,a 1w 0h', expect: '', desc: '1w 0h'},
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{srcset: 'data:,a 1w -1h', expect: '', desc: '1w -1h'},
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{srcset: 'data:,a 1w 1.0h', expect: '', desc: '1w 1.0h'},
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{srcset: 'data:,a 1w 1e0h', expect: '', desc: '1w 1e0h'},
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{srcset: 'data:,a 1w 1hhh', expect: '', desc: '1w 1hhh'},
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{srcset: 'data:,a 1w 1H', expect: '', desc: '1w 1H'},
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{srcset: 'data:,a 1w Infinityh', expect: '', desc: '1w Infinityh'},
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{srcset: 'data:,a 1w NaNh', expect: '', desc: '1w NaNh'},
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{srcset: 'data:,a 0x1h', expect: '', desc: '0x1h'},
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{srcset: 'data:,a 0X1h', expect: '', desc: '0X1h'},
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{srcset: 'data:,a 1w 1h', expect: '', desc: 'trailing U+0001'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+00A0'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+1680'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2000'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2001'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2002'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2003'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2004'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2005'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2006'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2007'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2008'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+2009'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+200A'},
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{srcset: 'data:,a 1w 1‌h', expect: '', desc: 'trailing U+200C'},
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{srcset: 'data:,a 1w 1‍h', expect: '', desc: 'trailing U+200D'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+202F'},
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{srcset: 'data:,a 1w 1 h', expect: '', desc: 'trailing U+205F'},
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{srcset: 'data:,a 1w 1　h', expect: '', desc: 'trailing U+3000'},
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{srcset: 'data:,a 1w 1h', expect: '', desc: 'trailing U+FEFF'},
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{srcset: 'data:,a 1w 1h', expect: '', desc: 'leading U+0001'},
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{srcset: 'data:,a 1w 1h', expect: '', desc: 'leading U+00A0'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+1680'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2000'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2001'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2002'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2003'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2004'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2005'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2006'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2007'},
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{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2008'},
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|
{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+2009'},
|
|
{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+200A'},
|
|
{srcset: 'data:,a 1w ‌1h', expect: '', desc: 'leading U+200C'},
|
|
{srcset: 'data:,a 1w ‍1h', expect: '', desc: 'leading U+200D'},
|
|
{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+202F'},
|
|
{srcset: 'data:,a 1w  1h', expect: '', desc: 'leading U+205F'},
|
|
{srcset: 'data:,a 1w 　1h', expect: '', desc: 'leading U+3000'},
|
|
{srcset: 'data:,a 1w 1h', expect: '', desc: 'leading U+FEFF'}
|
|
]
|
|
}
|
|
];
|
|
|
|
// HTML Entities are much easier to troubleshoot in console.
|
|
he.encode.options.useNamedReferences = true;
|
|
|
|
function runTest(test) {
|
|
var origAttr = test.srcset;
|
|
var attrDecoded = he.decode(origAttr);
|
|
var parsed = parseSrcset(attrDecoded);
|
|
|
|
var firstCandidate = parsed[0];
|
|
|
|
var url = "";
|
|
var encodedUrl = "";
|
|
|
|
if (firstCandidate) {
|
|
url = firstCandidate.url;
|
|
}
|
|
|
|
// Must re-encode url prior to comparison with expected string.
|
|
if (url) {
|
|
encodedUrl = he.encode(url);
|
|
}
|
|
|
|
console.log("");
|
|
console.log(test.desc);
|
|
console.log("origAttr: '" + origAttr + "'");
|
|
console.log("attrDecoded: '" + attrDecoded + "'");
|
|
console.log("parsed: ", parsed);
|
|
console.log("url: '" + url + "'");
|
|
console.log("encodedUrl: '" + encodedUrl + "'");
|
|
|
|
|
|
tdd.test( test.desc , function() {
|
|
assert.strictEqual(encodedUrl, test.expect, "passed" );
|
|
});
|
|
}
|
|
|
|
function runTestGroup(testGroup) {
|
|
var j;
|
|
var testArray = testGroup.testArray;
|
|
|
|
// Group Tests
|
|
tdd.suite(testGroup.groupName, function() {
|
|
|
|
for (j = 0; j < testArray.length; j++) {
|
|
runTest(testArray[j]);
|
|
}
|
|
});
|
|
}
|
|
|
|
var i;
|
|
var w3CtestsLength = w3Ctests.length;
|
|
|
|
for (i = 0; i < w3CtestsLength; i++) {
|
|
runTestGroup(w3Ctests[i]);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// tdd.test('First Test', function () {
|
|
// var parsed = parseSrcset('data:,a 1x');
|
|
// var url = parsed[0].url;
|
|
//
|
|
// console.log("parsed: ", parsed);
|
|
// console.log("url: ", url);
|
|
//
|
|
// assert.strictEqual(parsed, parsed, 'should be');
|
|
//
|
|
// // assert.strictEqual(url, 'data:,a', 'should be');
|
|
// });
|
|
|
|
// assert.strictEqual(parseSrcset('data:,a 1x')[0], 'data:,a', 'plain url with descriptor');
|
|
|
|
// tdd.test('Second Test', function () {
|
|
// assert.strictEqual(5, 5, '5 is itself, right?');
|
|
// });
|
|
|
|
});
|
|
});
|
|
|