comunic/3rdparty/pdf.js/test/unit/cmap_spec.js
2016-11-19 12:08:12 +01:00

130 lines
4.9 KiB
JavaScript
Executable File

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* globals expect, it, describe, StringStream, CMapFactory, Name, CMap,
IdentityCMap */
'use strict';
var cMapUrl = '../../external/bcmaps/';
var cMapPacked = true;
describe('cmap', function() {
it('parses beginbfchar', function() {
var str = '2 beginbfchar\n' +
'<03> <00>\n' +
'<04> <01>\n' +
'endbfchar\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.lookup(0x03)).toEqual(String.fromCharCode(0x00));
expect(cmap.lookup(0x04)).toEqual(String.fromCharCode(0x01));
expect(cmap.lookup(0x05)).toBeUndefined();
});
it('parses beginbfrange with range', function() {
var str = '1 beginbfrange\n' +
'<06> <0B> 0\n' +
'endbfrange\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.lookup(0x05)).toBeUndefined();
expect(cmap.lookup(0x06)).toEqual(String.fromCharCode(0x00));
expect(cmap.lookup(0x0B)).toEqual(String.fromCharCode(0x05));
expect(cmap.lookup(0x0C)).toBeUndefined();
});
it('parses beginbfrange with array', function() {
var str = '1 beginbfrange\n' +
'<0D> <12> [ 0 1 2 3 4 5 ]\n' +
'endbfrange\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.lookup(0x0C)).toBeUndefined();
expect(cmap.lookup(0x0D)).toEqual(0x00);
expect(cmap.lookup(0x12)).toEqual(0x05);
expect(cmap.lookup(0x13)).toBeUndefined();
});
it('parses begincidchar', function() {
var str = '1 begincidchar\n' +
'<14> 0\n' +
'endcidchar\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.lookup(0x14)).toEqual(0x00);
expect(cmap.lookup(0x15)).toBeUndefined();
});
it('parses begincidrange', function() {
var str = '1 begincidrange\n' +
'<0016> <001B> 0\n' +
'endcidrange\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.lookup(0x15)).toBeUndefined();
expect(cmap.lookup(0x16)).toEqual(0x00);
expect(cmap.lookup(0x1B)).toEqual(0x05);
expect(cmap.lookup(0x1C)).toBeUndefined();
});
it('decodes codespace ranges', function() {
var str = '1 begincodespacerange\n' +
'<01> <02>\n' +
'<00000003> <00000004>\n' +
'endcodespacerange\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
var c = {};
cmap.readCharCode(String.fromCharCode(1), 0, c);
expect(c.charcode).toEqual(1);
expect(c.length).toEqual(1);
cmap.readCharCode(String.fromCharCode(0, 0, 0, 3), 0, c);
expect(c.charcode).toEqual(3);
expect(c.length).toEqual(4);
});
it('decodes 4 byte codespace ranges', function() {
var str = '1 begincodespacerange\n' +
'<8EA1A1A1> <8EA1FEFE>\n' +
'endcodespacerange\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
var c = {};
cmap.readCharCode(String.fromCharCode(0x8E, 0xA1, 0xA1, 0xA1), 0, c);
expect(c.charcode).toEqual(0x8EA1A1A1);
expect(c.length).toEqual(4);
});
it('read usecmap', function() {
var str = '/Adobe-Japan1-1 usecmap\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream,
{ url: cMapUrl, packed: cMapPacked }, null);
expect(cmap instanceof CMap).toEqual(true);
expect(cmap.useCMap).not.toBeNull();
expect(cmap.builtInCMap).toBeFalsy();
expect(cmap.isIdentityCMap).toEqual(false);
});
it('parses cmapname', function() {
var str = '/CMapName /Identity-H def\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.name).toEqual('Identity-H');
});
it('parses wmode', function() {
var str = '/WMode 1 def\n';
var stream = new StringStream(str);
var cmap = CMapFactory.create(stream);
expect(cmap.vertical).toEqual(true);
});
it('loads built in cmap', function() {
var cmap = CMapFactory.create(new Name('Adobe-Japan1-1'),
{ url: cMapUrl, packed: cMapPacked }, null);
expect(cmap instanceof CMap).toEqual(true);
expect(cmap.useCMap).toBeNull();
expect(cmap.builtInCMap).toBeTruthy();
expect(cmap.isIdentityCMap).toEqual(false);
});
it('loads built in identity cmap', function() {
var cmap = CMapFactory.create(new Name('Identity-H'),
{ url: cMapUrl, packed: cMapPacked }, null);
expect(cmap instanceof IdentityCMap).toEqual(true);
expect(cmap.vertical).toEqual(false);
expect(function() { return cmap.isIdentityCMap; }).toThrow(
new Error('should not access .isIdentityCMap'));
});
});