| 1 |
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| 2 | var matches = require('matches-selector')
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| 3 | , domify = require('domify');
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| 4 |
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| 5 | function assert(expr) {
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| 6 | if (!expr) throw new Error('assertion failed');
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| 7 | }
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| 8 |
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| 9 | var ul = domify('<ul><li><em>foo</em></li></ul>');
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| 10 | var li = ul.children[0];
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| 11 | var em = li.children[0];
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| 12 |
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| 13 | describe('matchesSelector(el, selector)', function(){
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| 14 | it('should work', function(){
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| 15 | assert(true === matches(em, 'ul li em'));
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| 16 | assert(true === matches(em, 'ul em'));
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| 17 | assert(true === matches(em, 'ul > li > em'));
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| 18 | assert(false === matches(em, 'ul ul em'));
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| 19 |
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| 20 | assert(true === matches(li, 'ul li'));
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| 21 | assert(true === matches(li, 'ul > li'));
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| 22 | assert(true === matches(li, 'li'));
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| 23 | assert(false === matches(li, 'div > li'));
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| 24 |
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| 25 | assert(true == matches(ul, 'ul'));
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| 26 | assert(false == matches(ul, 'div ul'));
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| 27 | assert(false == matches(ul, 'body > ul'));
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| 28 | })
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| 29 | it('should not throw an Error when given `null`', function(){
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| 30 | assert(false == matches(null, 'ul'));
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| 31 | })
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| 32 | it('should not throw an Error when given a TextNode', function(){
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| 33 | assert(false == matches(em.firstChild, 'ul'));
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| 34 | })
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| 35 | })
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