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- import {
- getCharUnicodeCategory,
- getNormalizedUnicodes,
- getUnicodeForGlyph,
- getUnicodeRangeFor,
- mapSpecialUnicodeValues,
- reverseIfRtl,
- } from "../../src/core/unicode.js";
- import {
- getDingbatsGlyphsUnicode,
- getGlyphsUnicode,
- } from "../../src/core/glyphlist.js";
- describe("unicode", function () {
- describe("mapSpecialUnicodeValues", function () {
- it("should not re-map normal Unicode values", function () {
-
- expect(mapSpecialUnicodeValues(0x0041)).toEqual(0x0041);
-
- expect(mapSpecialUnicodeValues(0xfb01)).toEqual(0xfb01);
- });
- it("should re-map special Unicode values", function () {
-
- expect(mapSpecialUnicodeValues(0xf8e9)).toEqual(0x00a9);
-
- expect(mapSpecialUnicodeValues(0xffff)).toEqual(0);
- });
- });
- describe("getCharUnicodeCategory", function () {
- it("should correctly determine the character category", function () {
- const tests = {
-
- " ": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: true,
- },
- "\t": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: true,
- },
- "\u2001": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: true,
- },
- "\uFEFF": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: true,
- },
-
- "\u0302": {
- isZeroWidthDiacritic: true,
- isInvisibleFormatMark: false,
- isWhitespace: false,
- },
- "\u0344": {
- isZeroWidthDiacritic: true,
- isInvisibleFormatMark: false,
- isWhitespace: false,
- },
- "\u0361": {
- isZeroWidthDiacritic: true,
- isInvisibleFormatMark: false,
- isWhitespace: false,
- },
-
- "\u200B": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: true,
- isWhitespace: false,
- },
- "\u200D": {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: true,
- isWhitespace: false,
- },
-
- a: {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: false,
- },
- 1: {
- isZeroWidthDiacritic: false,
- isInvisibleFormatMark: false,
- isWhitespace: false,
- },
- };
- for (const [character, expectation] of Object.entries(tests)) {
- expect(getCharUnicodeCategory(character)).toEqual(expectation);
- }
- });
- });
- describe("getUnicodeForGlyph", function () {
- let standardMap, dingbatsMap;
- beforeAll(function () {
- standardMap = getGlyphsUnicode();
- dingbatsMap = getDingbatsGlyphsUnicode();
- });
- afterAll(function () {
- standardMap = dingbatsMap = null;
- });
- it("should get Unicode values for valid glyph names", function () {
- expect(getUnicodeForGlyph("A", standardMap)).toEqual(0x0041);
- expect(getUnicodeForGlyph("a1", dingbatsMap)).toEqual(0x2701);
- });
- it("should recover Unicode values from uniXXXX/uXXXX{XX} glyph names", function () {
- expect(getUnicodeForGlyph("uni0041", standardMap)).toEqual(0x0041);
- expect(getUnicodeForGlyph("u0041", standardMap)).toEqual(0x0041);
- expect(getUnicodeForGlyph("uni2701", dingbatsMap)).toEqual(0x2701);
- expect(getUnicodeForGlyph("u2701", dingbatsMap)).toEqual(0x2701);
- });
- it("should not get Unicode values for invalid glyph names", function () {
- expect(getUnicodeForGlyph("Qwerty", standardMap)).toEqual(-1);
- expect(getUnicodeForGlyph("Qwerty", dingbatsMap)).toEqual(-1);
- });
- });
- describe("getUnicodeRangeFor", function () {
- it("should get correct Unicode range", function () {
-
- expect(getUnicodeRangeFor(0x0041)).toEqual(0);
-
- expect(getUnicodeRangeFor(0xfb01)).toEqual(62);
- });
- it("should not get a Unicode range", function () {
- expect(getUnicodeRangeFor(0x05ff)).toEqual(-1);
- });
- });
- describe("getNormalizedUnicodes", function () {
- let NormalizedUnicodes;
- beforeAll(function () {
- NormalizedUnicodes = getNormalizedUnicodes();
- });
- afterAll(function () {
- NormalizedUnicodes = null;
- });
- it("should get normalized Unicode values for ligatures", function () {
-
- expect(NormalizedUnicodes["\uFB01"]).toEqual("fi");
-
- expect(NormalizedUnicodes["\u0675"]).toEqual("\u0627\u0674");
- });
- it("should not normalize standard characters", function () {
- expect(NormalizedUnicodes.A).toEqual(undefined);
- });
- });
- describe("reverseIfRtl", function () {
- let NormalizedUnicodes;
- function getGlyphUnicode(char) {
- if (NormalizedUnicodes[char] !== undefined) {
- return NormalizedUnicodes[char];
- }
- return char;
- }
- beforeAll(function () {
- NormalizedUnicodes = getNormalizedUnicodes();
- });
- afterAll(function () {
- NormalizedUnicodes = null;
- });
- it("should not reverse LTR characters", function () {
- const A = getGlyphUnicode("A");
- expect(reverseIfRtl(A)).toEqual("A");
- const fi = getGlyphUnicode("\uFB01");
- expect(reverseIfRtl(fi)).toEqual("fi");
- });
- it("should reverse RTL characters", function () {
-
- const heAlef = getGlyphUnicode("\u05D0");
- expect(reverseIfRtl(heAlef)).toEqual("\u05D0");
-
- const arAlef = getGlyphUnicode("\u0675");
- expect(reverseIfRtl(arAlef)).toEqual("\u0674\u0627");
- });
- });
- });
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