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modules/unicodejs/test/unicodejs.wordbreak.test.js * fix typo Change-Id: Ieef78b4f51054b760217c8e2f12a4510857ee88a
110 lines
4.2 KiB
JavaScript
110 lines
4.2 KiB
JavaScript
/*!
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* UnicodeJS Word Break 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, pos, result, context, breakOffsets, textString,
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broken = [
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'\u0300', 'xyz\'d', ' ', 'a', '\'', ' ',
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'\'', 'a', ' ', 'a', '-', 'b', ' ', '1a', '\r\n',
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'カタカナ', '3,1.2', ' ',
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'a_b_3_ナ_', ' ',
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'汉', '字', '/', '漢', '字', ' ',
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'c\u0300\u0327k', ' ',
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// Test ALetter characters above U+FFFF.
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// ALetter+ should be a single word
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// (ALetter Extend*)+ should be a single word
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//
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// We'll use:
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// U+10308 OLD ITALIC LETTER THE \ud800\udf08
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// U+1030A OLD ITALIC LETTER KA \ud800\udf0a
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// U+0302 COMBINING CIRCUMFLEX \u0302
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'\ud800\udf08' + '\ud800\udf08\u0302' + '\ud800\udf0a',
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' ',
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'\ud800\udf0a' + '\ud800\udf0a',
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' ', '뜨락또르', ' ', '트랙터', ' ', // hangul (composed)
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//// TODO: test the equivalent hangul decomposed into jamo
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//// '\u1104\u1173\u1105\u1161\u11a8\u1104\u1169\u1105\u1173 ' +
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//// '\u1110\u1173\u1105\u1162\u11a8\u1110\u1165' +
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' ', 'c\u0300\u0327', ' ', 'a', '.'
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];
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breakOffsets = [0];
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pos = 0;
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for ( i = 0; i < broken.length; i++ ) {
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pos += unicodeJS.graphemebreak.splitClusters( broken[i] ).length;
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breakOffsets.push( pos );
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}
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textString = new unicodeJS.TextString( broken.join( '' ) );
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QUnit.expect( textString.getLength() + 1 );
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for ( i = 0; i <= textString.getLength(); i++ ) {
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result = ( breakOffsets.indexOf( i ) !== -1 );
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context =
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textString.substring( Math.max( i - 4, 0 ), i ).getString() +
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'│' +
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textString.substring( i, Math.min( i + 4, textString.getLength() ) ).getString()
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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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'Break at position ' + i + ' (expect ' + result + '): ' + 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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