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Add basic unit-tests for unicode.js
Re: issue 7261.
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3 changed files with 137 additions and 3 deletions
130
test/unit/unicode_spec.js
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130
test/unit/unicode_spec.js
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/* globals describe, it, expect, beforeAll, afterAll, mapSpecialUnicodeValues,
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getUnicodeForGlyph, getGlyphsUnicode, getDingbatsGlyphsUnicode,
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getUnicodeRangeFor, getNormalizedUnicodes, reverseIfRtl */
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'use strict';
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describe('unicode', function () {
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describe('mapSpecialUnicodeValues', function () {
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it('should not re-map normal Unicode values', function () {
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// A
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expect(mapSpecialUnicodeValues(0x0041)).toEqual(0x0041);
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// fi
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expect(mapSpecialUnicodeValues(0xFB01)).toEqual(0xFB01);
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});
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it('should re-map special Unicode values', function () {
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// copyrightsans => copyright
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expect(mapSpecialUnicodeValues(0xF8E9)).toEqual(0x00A9);
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// Private Use Area characters
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expect(mapSpecialUnicodeValues(0xFFFF)).toEqual(0);
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});
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});
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describe('getUnicodeForGlyph', function () {
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var standardMap, dingbatsMap;
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beforeAll(function (done) {
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standardMap = getGlyphsUnicode();
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dingbatsMap = getDingbatsGlyphsUnicode();
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done();
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});
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afterAll(function () {
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standardMap = dingbatsMap = null;
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});
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it('should get Unicode values for valid glyph names', function () {
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expect(getUnicodeForGlyph('A', standardMap)).toEqual(0x0041);
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expect(getUnicodeForGlyph('a1', dingbatsMap)).toEqual(0x2701);
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});
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it('should recover Unicode values from uniXXXX/uXXXX{XX} glyph names',
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function () {
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expect(getUnicodeForGlyph('uni0041', standardMap)).toEqual(0x0041);
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expect(getUnicodeForGlyph('u0041', standardMap)).toEqual(0x0041);
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expect(getUnicodeForGlyph('uni2701', dingbatsMap)).toEqual(0x2701);
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expect(getUnicodeForGlyph('u2701', dingbatsMap)).toEqual(0x2701);
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});
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it('should not get Unicode values for invalid glyph names', function () {
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expect(getUnicodeForGlyph('Qwerty', standardMap)).toEqual(-1);
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expect(getUnicodeForGlyph('Qwerty', dingbatsMap)).toEqual(-1);
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});
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});
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describe('getUnicodeRangeFor', function () {
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it('should get correct Unicode range', function () {
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// A (Basic Latin)
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expect(getUnicodeRangeFor(0x0041)).toEqual(0);
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// fi (Alphabetic Presentation Forms)
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expect(getUnicodeRangeFor(0xFB01)).toEqual(62);
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});
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it('should not get a Unicode range', function () {
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expect(getUnicodeRangeFor(0x05FF)).toEqual(-1);
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});
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});
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describe('getNormalizedUnicodes', function () {
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var NormalizedUnicodes;
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beforeAll(function (done) {
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NormalizedUnicodes = getNormalizedUnicodes();
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done();
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});
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afterAll(function () {
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NormalizedUnicodes = null;
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});
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it('should get normalized Unicode values for ligatures', function () {
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// fi => f + i
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expect(NormalizedUnicodes['\uFB01']).toEqual('fi');
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// Arabic
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expect(NormalizedUnicodes['\u0675']).toEqual('\u0627\u0674');
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});
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it('should not normalize standard characters', function () {
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expect(NormalizedUnicodes['A']).toEqual(undefined);
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});
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});
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describe('reverseIfRtl', function () {
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var NormalizedUnicodes;
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function getGlyphUnicode(char) {
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if (NormalizedUnicodes[char] !== undefined) {
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return NormalizedUnicodes[char];
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}
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return char;
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}
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beforeAll(function (done) {
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NormalizedUnicodes = getNormalizedUnicodes();
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done();
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});
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afterAll(function () {
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NormalizedUnicodes = null;
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});
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it('should not reverse LTR characters', function () {
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var A = getGlyphUnicode('A');
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expect(reverseIfRtl(A)).toEqual('A');
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var fi = getGlyphUnicode('\uFB01');
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expect(reverseIfRtl(fi)).toEqual('fi');
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});
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it('should reverse RTL characters', function () {
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// Hebrew (no-op, since it's not a combined character)
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var heAlef = getGlyphUnicode('\u05D0');
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expect(reverseIfRtl(heAlef)).toEqual('\u05D0');
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// Arabic
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var arAlef = getGlyphUnicode('\u0675');
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expect(reverseIfRtl(arAlef)).toEqual('\u0674\u0627');
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});
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});
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});
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