mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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f36e68c333
This provides the functionality for keyboard word skipping (i.e. pressing ctrl/alt + arrow key). Bug: 46794 Change-Id: Ib0861fa075df805410717a148b8a6e166d947849
103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
/*!
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* Wordbreak module tests
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*
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* @copyright 2013 UnicodeJS team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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QUnit.module( 'unicodeJS.wordbreak' );
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QUnit.test( 'isBreak', function ( assert ) {
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var i, result, context,
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text =
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/*jshint quotmark:double */
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// 0 - 10
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"\u0300xyz'd a' " +
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// 10 - 20
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"'a a-b 1a\r" +
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// 20 - 30
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"\nカタカナ3,1.2" +
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// 30 - 40
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" a_b_3_ナ_ " +
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// 40 - 50
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"汉字/漢字 c\u0300\u0327k" +
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// 50 - 60
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" c\u0300\u0327",
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/*jshint quotmark:single */
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textString = new unicodeJS.TextString( text ),
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breaks = [
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0, 1, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 19,
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21, 25, 30,
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31, 39, 40,
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41, 42, 43, 44, 45, 46, 50,
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51, 54
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];
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QUnit.expect( text.length + 1 );
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for ( i = 0; i <= text.length; i++ ) {
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result = ( breaks.indexOf( i ) !== -1 );
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context =
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text.substring( Math.max( i - 4, 0 ), i ) +
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'│' +
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text.substring( i, Math.min( i + 4, text.length ) )
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;
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assert.equal(
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unicodeJS.wordbreak.isBreak( textString, i ),
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result,
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'Position ' + i + ' is ' + ( result ? '' : 'not ' ) + 'a break: ' + context
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);
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}
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});
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QUnit.test( 'nextBreakOffset/prevBreakOffset', function ( assert ) {
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var i, offset = 0,
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text = 'The quick brown fox',
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textString = new unicodeJS.TextString( text ),
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breaks = [ 0, 0, 3, 4, 9, 10, 15, 16, 19, 19 ];
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QUnit.expect( 2*(breaks.length - 2) );
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for ( i = 2; i < breaks.length; i++ ) {
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offset = unicodeJS.wordbreak.nextBreakOffset( textString, offset );
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assert.equal( offset, breaks[i], 'Next break is at position ' + breaks[i] );
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}
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for ( i = breaks.length - 3; i >= 0; i-- ) {
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offset = unicodeJS.wordbreak.prevBreakOffset( textString, offset );
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assert.equal( offset, breaks[i], 'Previous break is at position ' + breaks[i] );
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}
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});
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QUnit.test( 'nextBreakOffset/prevBreakOffset (ignore whitespace)', function ( assert ) {
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var i, offset = 0,
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text = ' The quick brown ..fox jumps... 3.14159 すどくスドク ',
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textString = new unicodeJS.TextString( text ),
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nextBreaks = [ 6, 12, 19, 25, 31, 42, 49, 52 ],
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prevBreaks = [ 46, 35, 26, 22, 14, 7, 3, 0 ];
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QUnit.expect( nextBreaks.length + prevBreaks.length + 6 );
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for ( i = 0; i < nextBreaks.length; i++ ) {
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offset = unicodeJS.wordbreak.nextBreakOffset( textString, offset, true );
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assert.equal( offset, nextBreaks[i], 'Next break is at position ' + nextBreaks[i] );
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}
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for ( i = 0; i < prevBreaks.length; i++ ) {
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offset = unicodeJS.wordbreak.prevBreakOffset( textString, offset, true );
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assert.equal( offset, prevBreaks[i], 'Previous break is at position ' + prevBreaks[i] );
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}
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assert.equal( unicodeJS.wordbreak.nextBreakOffset( textString, 9, true ),
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12, 'Jump to end of word when starting in middle of word');
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assert.equal( unicodeJS.wordbreak.nextBreakOffset( textString, 3, true ),
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6, 'Jump to end of word when starting at start of word');
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assert.equal( unicodeJS.wordbreak.nextBreakOffset( textString, 13, true ),
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19, 'Jump to end of word when starting in double whitespace');
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assert.equal( unicodeJS.wordbreak.prevBreakOffset( textString, 17, true ),
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14, 'Jump to start of word when starting in middle of word');
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assert.equal( unicodeJS.wordbreak.prevBreakOffset( textString, 6, true ),
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3, 'Jump to start of word when starting at end of word');
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assert.equal( unicodeJS.wordbreak.prevBreakOffset( textString, 13, true ),
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7, 'Jump to start of word when starting in double whitespace');
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});
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