diff --git a/test/unit/cff_parser_spec.js b/test/unit/cff_parser_spec.js new file mode 100644 index 000000000..a0e8cf2be --- /dev/null +++ b/test/unit/cff_parser_spec.js @@ -0,0 +1,301 @@ +/* globals describe, it, expect, beforeAll, afterAll, Stream, CFFParser, + SEAC_ANALYSIS_ENABLED, CFFIndex, CFFStrings, CFFCompiler */ + +'use strict'; + +describe('CFFParser', function() { + function createWithNullProto(obj) { + var result = Object.create(null); + for (var i in obj) { + result[i] = obj[i]; + } + return result; + } + + var fontData, parser, cff; + + beforeAll(function (done) { + // This example font comes from the CFF spec: + // http://www.adobe.com/content/dam/Adobe/en/devnet/font/pdfs/5176.CFF.pdf + var exampleFont = '0100040100010101134142434445462b' + + '54696d65732d526f6d616e000101011f' + + 'f81b00f81c02f81d03f819041c6f000d' + + 'fb3cfb6efa7cfa1605e911b8f1120003' + + '01010813183030312e30303754696d65' + + '7320526f6d616e54696d657300000002' + + '010102030e0e7d99f92a99fb7695f773' + + '8b06f79a93fc7c8c077d99f85695f75e' + + '9908fb6e8cf87393f7108b09a70adf0b' + + 'f78e14'; + var fontArr = []; + for (var i = 0, ii = exampleFont.length; i < ii; i += 2) { + var hex = exampleFont.substr(i, 2); + fontArr.push(parseInt(hex, 16)); + } + fontData = new Stream(fontArr); + + parser = new CFFParser(fontData, {}, SEAC_ANALYSIS_ENABLED); + cff = parser.parse(); + done(); + }); + + afterAll(function () { + fontData = parser = cff = null; + }); + + it('parses header', function() { + var header = cff.header; + expect(header.major).toEqual(1); + expect(header.minor).toEqual(0); + expect(header.hdrSize).toEqual(4); + expect(header.offSize).toEqual(1); + }); + + it('parses name index', function() { + var names = cff.names; + expect(names.length).toEqual(1); + expect(names[0]).toEqual('ABCDEF+Times-Roman'); + }); + + it('sanitizes name index', function() { + var index = new CFFIndex(); + index.add(['['.charCodeAt(0), 'a'.charCodeAt(0)]); + + var names = parser.parseNameIndex(index); + expect(names).toEqual(['_a']); + + index = new CFFIndex(); + var longName = []; + for (var i = 0; i < 129; i++) { + longName.push(0); + } + index.add(longName); + names = parser.parseNameIndex(index); + expect(names[0].length).toEqual(127); + }); + + it('parses string index', function() { + var strings = cff.strings; + expect(strings.count).toEqual(3); + expect(strings.get(0)).toEqual('.notdef'); + expect(strings.get(391)).toEqual('001.007'); + }); + + it('parses top dict', function() { + var topDict = cff.topDict; + // 391 version 392 FullName 393 FamilyName 389 Weight 28416 UniqueID + // -168 -218 1000 898 FontBBox 94 CharStrings 45 102 Private + expect(topDict.getByName('version')).toEqual(391); + expect(topDict.getByName('FullName')).toEqual(392); + expect(topDict.getByName('FamilyName')).toEqual(393); + expect(topDict.getByName('Weight')).toEqual(389); + expect(topDict.getByName('UniqueID')).toEqual(28416); + expect(topDict.getByName('FontBBox')).toEqual([-168, -218, 1000, 898]); + expect(topDict.getByName('CharStrings')).toEqual(94); + expect(topDict.getByName('Private')).toEqual([45, 102]); + }); + + it('parses a CharString having cntrmask', function() { + var bytes = new Uint8Array([0, 1, // count + 1, // offsetSize + 0, // offset[0] + 38, // end + 149, 149, 149, 149, 149, 149, 149, 149, + 149, 149, 149, 149, 149, 149, 149, 149, + 1, // hstem + 149, 149, 149, 149, 149, 149, 149, 149, + 149, 149, 149, 149, 149, 149, 149, 149, + 3, // vstem + 20, // cntrmask + 22, 22, // fail if misparsed as hmoveto + 14 // endchar + ]); + parser.bytes = bytes; + var charStringsIndex = parser.parseIndex(0).obj; + var charStrings = parser.parseCharStrings(charStringsIndex).charStrings; + expect(charStrings.count).toEqual(1); + // shoudn't be sanitized + expect(charStrings.get(0).length).toEqual(38); + }); + + it('parses a CharString endchar with 4 args w/seac enabled', function() { + var parser = new CFFParser(fontData, {}, + /* seacAnalysisEnabled = */ true); + var cff = parser.parse(); + + var bytes = new Uint8Array([0, 1, // count + 1, // offsetSize + 0, // offset[0] + 237, 247, 22, 247, 72, 204, 247, 86, 14]); + parser.bytes = bytes; + var charStringsIndex = parser.parseIndex(0).obj; + var result = parser.parseCharStrings(charStringsIndex); + expect(result.charStrings.count).toEqual(1); + expect(result.charStrings.get(0).length).toEqual(1); + expect(result.seacs.length).toEqual(1); + expect(result.seacs[0].length).toEqual(4); + expect(result.seacs[0][0]).toEqual(130); + expect(result.seacs[0][1]).toEqual(180); + expect(result.seacs[0][2]).toEqual(65); + expect(result.seacs[0][3]).toEqual(194); + }); + + it('parses a CharString endchar with 4 args w/seac disabled', function() { + var parser = new CFFParser(fontData, {}, + /* seacAnalysisEnabled = */ false); + var cff = parser.parse(); + + var bytes = new Uint8Array([0, 1, // count + 1, // offsetSize + 0, // offset[0] + 237, 247, 22, 247, 72, 204, 247, 86, 14]); + parser.bytes = bytes; + var charStringsIndex = parser.parseIndex(0).obj; + var result = parser.parseCharStrings(charStringsIndex); + expect(result.charStrings.count).toEqual(1); + expect(result.charStrings.get(0).length).toEqual(9); + expect(result.seacs.length).toEqual(0); + }); + + it('parses a CharString endchar no args', function() { + var bytes = new Uint8Array([0, 1, // count + 1, // offsetSize + 0, // offset[0] + 14]); + parser.bytes = bytes; + var charStringsIndex = parser.parseIndex(0).obj; + var result = parser.parseCharStrings(charStringsIndex); + expect(result.charStrings.count).toEqual(1); + expect(result.charStrings.get(0)[0]).toEqual(14); + expect(result.seacs.length).toEqual(0); + }); + + it('parses predefined charsets', function() { + var charset = parser.parseCharsets(0, 0, null, true); + expect(charset.predefined).toEqual(true); + }); + + it('parses charset format 0', function() { + // The first three bytes make the offset large enough to skip predefined. + var bytes = new Uint8Array([0x00, 0x00, 0x00, + 0x00, // format + 0x00, 0x02 // sid/cid + ]); + parser.bytes = bytes; + var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); + expect(charset.charset[1]).toEqual('exclam'); + + // CID font + charset = parser.parseCharsets(3, 2, new CFFStrings(), true); + expect(charset.charset[1]).toEqual(2); + }); + + it('parses charset format 1', function() { + // The first three bytes make the offset large enough to skip predefined. + var bytes = new Uint8Array([0x00, 0x00, 0x00, + 0x01, // format + 0x00, 0x08, // sid/cid start + 0x01 // sid/cid left + ]); + parser.bytes = bytes; + var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); + expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); + + // CID font + charset = parser.parseCharsets(3, 2, new CFFStrings(), true); + expect(charset.charset).toEqual(['.notdef', 8, 9]); + }); + + it('parses charset format 2', function() { + // format 2 is the same as format 1 but the left is card16 + // The first three bytes make the offset large enough to skip predefined. + var bytes = new Uint8Array([0x00, 0x00, 0x00, + 0x02, // format + 0x00, 0x08, // sid/cid start + 0x00, 0x01 // sid/cid left + ]); + parser.bytes = bytes; + var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); + expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); + + // CID font + charset = parser.parseCharsets(3, 2, new CFFStrings(), true); + expect(charset.charset).toEqual(['.notdef', 8, 9]); + }); + + it('parses encoding format 0', function() { + // The first two bytes make the offset large enough to skip predefined. + var bytes = new Uint8Array([0x00, 0x00, + 0x00, // format + 0x01, // count + 0x08 // start + ]); + parser.bytes = bytes; + var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); + expect(encoding.encoding).toEqual(createWithNullProto({0x8: 1})); + }); + + it('parses encoding format 1', function() { + // The first two bytes make the offset large enough to skip predefined. + var bytes = new Uint8Array([0x00, 0x00, + 0x01, // format + 0x01, // num ranges + 0x07, // range1 start + 0x01 // range2 left + ]); + parser.bytes = bytes; + var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); + expect(encoding.encoding).toEqual( + createWithNullProto({0x7: 0x01, 0x08: 0x02})); + }); + + it('parses fdselect format 0', function() { + var bytes = new Uint8Array([0x00, // format + 0x00, // gid: 0 fd: 0 + 0x01 // gid: 1 fd: 1 + ]); + parser.bytes = bytes; + var fdSelect = parser.parseFDSelect(0, 2); + expect(fdSelect.fdSelect).toEqual([0, 1]); + }); + + it('parses fdselect format 3', function() { + var bytes = new Uint8Array([0x03, // format + 0x00, 0x02, // range count + 0x00, 0x00, // first gid + 0x09, // font dict 1 id + 0x00, 0x02, // nex gid + 0x0a, // font dict 2 gid + 0x00, 0x04 // sentinel (last gid) + ]); + parser.bytes = bytes; + var fdSelect = parser.parseFDSelect(0, 2); + expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]); + }); + + // TODO fdArray +}); + +describe('CFFCompiler', function() { + it('encodes integers', function() { + var c = new CFFCompiler(); + // all the examples from the spec + expect(c.encodeInteger(0)).toEqual([0x8b]); + expect(c.encodeInteger(100)).toEqual([0xef]); + expect(c.encodeInteger(-100)).toEqual([0x27]); + expect(c.encodeInteger(1000)).toEqual([0xfa, 0x7c]); + expect(c.encodeInteger(-1000)).toEqual([0xfe, 0x7c]); + expect(c.encodeInteger(10000)).toEqual([0x1c, 0x27, 0x10]); + expect(c.encodeInteger(-10000)).toEqual([0x1c, 0xd8, 0xf0]); + expect(c.encodeInteger(100000)).toEqual([0x1d, 0x00, 0x01, 0x86, 0xa0]); + expect(c.encodeInteger(-100000)).toEqual([0x1d, 0xff, 0xfe, 0x79, 0x60]); + }); + + it('encodes floats', function() { + var c = new CFFCompiler(); + expect(c.encodeFloat(-2.25)).toEqual([0x1e, 0xe2, 0xa2, 0x5f]); + expect(c.encodeFloat(5e-11)).toEqual([0x1e, 0x5c, 0x11, 0xff]); + }); + + // TODO a lot more compiler tests +}); diff --git a/test/unit/font_spec.js b/test/unit/font_spec.js deleted file mode 100644 index 5f28458cb..000000000 --- a/test/unit/font_spec.js +++ /dev/null @@ -1,401 +0,0 @@ -/* globals expect, it, describe, CFFCompiler, CFFParser, CFFIndex, CFFStrings, - Type1Parser, StringStream, SEAC_ANALYSIS_ENABLED, Stream, beforeAll, - afterAll */ - -'use strict'; - -describe('font', function() { - function createWithNullProto(obj) { - var result = Object.create(null); - for (var i in obj) { - result[i] = obj[i]; - } - return result; - } - - var fontData; - - beforeAll(function (done) { - // This example font comes from the CFF spec: - // http://www.adobe.com/content/dam/Adobe/en/devnet/font/pdfs/5176.CFF.pdf - var exampleFont = '0100040100010101134142434445462b' + - '54696d65732d526f6d616e000101011f' + - 'f81b00f81c02f81d03f819041c6f000d' + - 'fb3cfb6efa7cfa1605e911b8f1120003' + - '01010813183030312e30303754696d65' + - '7320526f6d616e54696d657300000002' + - '010102030e0e7d99f92a99fb7695f773' + - '8b06f79a93fc7c8c077d99f85695f75e' + - '9908fb6e8cf87393f7108b09a70adf0b' + - 'f78e14'; - var fontArr = []; - for (var i = 0, ii = exampleFont.length; i < ii; i += 2) { - var hex = exampleFont.substr(i, 2); - fontArr.push(parseInt(hex, 16)); - } - fontData = new Stream(fontArr); - done(); - }); - - afterAll(function () { - fontData = null; - }); - - describe('CFFParser', function() { - var parser, cff; - - beforeAll(function (done) { - parser = new CFFParser(fontData, {}, SEAC_ANALYSIS_ENABLED); - cff = parser.parse(); - done(); - }); - - afterAll(function () { - parser = cff = null; - }); - - it('parses header', function() { - var header = cff.header; - expect(header.major).toEqual(1); - expect(header.minor).toEqual(0); - expect(header.hdrSize).toEqual(4); - expect(header.offSize).toEqual(1); - }); - - it('parses name index', function() { - var names = cff.names; - expect(names.length).toEqual(1); - expect(names[0]).toEqual('ABCDEF+Times-Roman'); - }); - - it('sanitizes name index', function() { - var index = new CFFIndex(); - index.add(['['.charCodeAt(0), 'a'.charCodeAt(0)]); - - var names = parser.parseNameIndex(index); - expect(names).toEqual(['_a']); - - index = new CFFIndex(); - var longName = []; - for (var i = 0; i < 129; i++) { - longName.push(0); - } - index.add(longName); - names = parser.parseNameIndex(index); - expect(names[0].length).toEqual(127); - }); - - it('parses string index', function() { - var strings = cff.strings; - expect(strings.count).toEqual(3); - expect(strings.get(0)).toEqual('.notdef'); - expect(strings.get(391)).toEqual('001.007'); - }); - - it('parses top dict', function() { - var topDict = cff.topDict; - // 391 version 392 FullName 393 FamilyName 389 Weight 28416 UniqueID - // -168 -218 1000 898 FontBBox 94 CharStrings 45 102 Private - expect(topDict.getByName('version')).toEqual(391); - expect(topDict.getByName('FullName')).toEqual(392); - expect(topDict.getByName('FamilyName')).toEqual(393); - expect(topDict.getByName('Weight')).toEqual(389); - expect(topDict.getByName('UniqueID')).toEqual(28416); - expect(topDict.getByName('FontBBox')).toEqual([-168, -218, 1000, 898]); - expect(topDict.getByName('CharStrings')).toEqual(94); - expect(topDict.getByName('Private')).toEqual([45, 102]); - }); - - it('parses a CharString having cntrmask', function() { - var bytes = new Uint8Array([0, 1, // count - 1, // offsetSize - 0, // offset[0] - 38, // end - 149, 149, 149, 149, 149, 149, 149, 149, - 149, 149, 149, 149, 149, 149, 149, 149, - 1, // hstem - 149, 149, 149, 149, 149, 149, 149, 149, - 149, 149, 149, 149, 149, 149, 149, 149, - 3, // vstem - 20, // cntrmask - 22, 22, // fail if misparsed as hmoveto - 14 // endchar - ]); - parser.bytes = bytes; - var charStringsIndex = parser.parseIndex(0).obj; - var charStrings = parser.parseCharStrings(charStringsIndex).charStrings; - expect(charStrings.count).toEqual(1); - // shoudn't be sanitized - expect(charStrings.get(0).length).toEqual(38); - }); - - it('parses a CharString endchar with 4 args w/seac enabled', function() { - var parser = new CFFParser(fontData, {}, - /* seacAnalysisEnabled = */ true); - var cff = parser.parse(); - - var bytes = new Uint8Array([0, 1, // count - 1, // offsetSize - 0, // offset[0] - 237, 247, 22, 247, 72, 204, 247, 86, 14]); - parser.bytes = bytes; - var charStringsIndex = parser.parseIndex(0).obj; - var result = parser.parseCharStrings(charStringsIndex); - expect(result.charStrings.count).toEqual(1); - expect(result.charStrings.get(0).length).toEqual(1); - expect(result.seacs.length).toEqual(1); - expect(result.seacs[0].length).toEqual(4); - expect(result.seacs[0][0]).toEqual(130); - expect(result.seacs[0][1]).toEqual(180); - expect(result.seacs[0][2]).toEqual(65); - expect(result.seacs[0][3]).toEqual(194); - }); - - it('parses a CharString endchar with 4 args w/seac disabled', function() { - var parser = new CFFParser(fontData, {}, - /* seacAnalysisEnabled = */ false); - var cff = parser.parse(); - - var bytes = new Uint8Array([0, 1, // count - 1, // offsetSize - 0, // offset[0] - 237, 247, 22, 247, 72, 204, 247, 86, 14]); - parser.bytes = bytes; - var charStringsIndex = parser.parseIndex(0).obj; - var result = parser.parseCharStrings(charStringsIndex); - expect(result.charStrings.count).toEqual(1); - expect(result.charStrings.get(0).length).toEqual(9); - expect(result.seacs.length).toEqual(0); - }); - - it('parses a CharString endchar no args', function() { - var bytes = new Uint8Array([0, 1, // count - 1, // offsetSize - 0, // offset[0] - 14]); - parser.bytes = bytes; - var charStringsIndex = parser.parseIndex(0).obj; - var result = parser.parseCharStrings(charStringsIndex); - expect(result.charStrings.count).toEqual(1); - expect(result.charStrings.get(0)[0]).toEqual(14); - expect(result.seacs.length).toEqual(0); - }); - - it('parses predefined charsets', function() { - var charset = parser.parseCharsets(0, 0, null, true); - expect(charset.predefined).toEqual(true); - }); - - it('parses charset format 0', function() { - // The first three bytes make the offset large enough to skip predefined. - var bytes = new Uint8Array([0x00, 0x00, 0x00, - 0x00, // format - 0x00, 0x02 // sid/cid - ]); - parser.bytes = bytes; - var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); - expect(charset.charset[1]).toEqual('exclam'); - - // CID font - charset = parser.parseCharsets(3, 2, new CFFStrings(), true); - expect(charset.charset[1]).toEqual(2); - }); - - it('parses charset format 1', function() { - // The first three bytes make the offset large enough to skip predefined. - var bytes = new Uint8Array([0x00, 0x00, 0x00, - 0x01, // format - 0x00, 0x08, // sid/cid start - 0x01 // sid/cid left - ]); - parser.bytes = bytes; - var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); - expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); - - // CID font - charset = parser.parseCharsets(3, 2, new CFFStrings(), true); - expect(charset.charset).toEqual(['.notdef', 8, 9]); - }); - - it('parses charset format 2', function() { - // format 2 is the same as format 1 but the left is card16 - // The first three bytes make the offset large enough to skip predefined. - var bytes = new Uint8Array([0x00, 0x00, 0x00, - 0x02, // format - 0x00, 0x08, // sid/cid start - 0x00, 0x01 // sid/cid left - ]); - parser.bytes = bytes; - var charset = parser.parseCharsets(3, 2, new CFFStrings(), false); - expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']); - - // CID font - charset = parser.parseCharsets(3, 2, new CFFStrings(), true); - expect(charset.charset).toEqual(['.notdef', 8, 9]); - }); - - it('parses encoding format 0', function() { - // The first two bytes make the offset large enough to skip predefined. - var bytes = new Uint8Array([0x00, 0x00, - 0x00, // format - 0x01, // count - 0x08 // start - ]); - parser.bytes = bytes; - var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); - expect(encoding.encoding).toEqual(createWithNullProto({0x8: 1})); - }); - - it('parses encoding format 1', function() { - // The first two bytes make the offset large enough to skip predefined. - var bytes = new Uint8Array([0x00, 0x00, - 0x01, // format - 0x01, // num ranges - 0x07, // range1 start - 0x01 // range2 left - ]); - parser.bytes = bytes; - var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null); - expect(encoding.encoding).toEqual( - createWithNullProto({0x7: 0x01, 0x08: 0x02})); - }); - - it('parses fdselect format 0', function() { - var bytes = new Uint8Array([0x00, // format - 0x00, // gid: 0 fd: 0 - 0x01 // gid: 1 fd: 1 - ]); - parser.bytes = bytes; - var fdSelect = parser.parseFDSelect(0, 2); - expect(fdSelect.fdSelect).toEqual([0, 1]); - }); - - it('parses fdselect format 3', function() { - var bytes = new Uint8Array([0x03, // format - 0x00, 0x02, // range count - 0x00, 0x00, // first gid - 0x09, // font dict 1 id - 0x00, 0x02, // nex gid - 0x0a, // font dict 2 gid - 0x00, 0x04 // sentinel (last gid) - ]); - parser.bytes = bytes; - var fdSelect = parser.parseFDSelect(0, 2); - expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]); - }); - // TODO fdArray - }); - describe('CFFCompiler', function() { - it('encodes integers', function() { - var c = new CFFCompiler(); - // all the examples from the spec - expect(c.encodeInteger(0)).toEqual([0x8b]); - expect(c.encodeInteger(100)).toEqual([0xef]); - expect(c.encodeInteger(-100)).toEqual([0x27]); - expect(c.encodeInteger(1000)).toEqual([0xfa, 0x7c]); - expect(c.encodeInteger(-1000)).toEqual([0xfe, 0x7c]); - expect(c.encodeInteger(10000)).toEqual([0x1c, 0x27, 0x10]); - expect(c.encodeInteger(-10000)).toEqual([0x1c, 0xd8, 0xf0]); - expect(c.encodeInteger(100000)).toEqual([0x1d, 0x00, 0x01, 0x86, 0xa0]); - expect(c.encodeInteger(-100000)).toEqual([0x1d, 0xff, 0xfe, 0x79, 0x60]); - }); - it('encodes floats', function() { - var c = new CFFCompiler(); - expect(c.encodeFloat(-2.25)).toEqual([0x1e, 0xe2, 0xa2, 0x5f]); - expect(c.encodeFloat(5e-11)).toEqual([0x1e, 0x5c, 0x11, 0xff]); - }); - // TODO a lot more compiler tests - }); - - describe('Type1Parser', function() { - - it('splits tokens', function() { - var stream = new StringStream('/BlueValues[-17 0]noaccess def'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.getToken()).toEqual('/'); - expect(parser.getToken()).toEqual('BlueValues'); - expect(parser.getToken()).toEqual('['); - expect(parser.getToken()).toEqual('-17'); - expect(parser.getToken()).toEqual('0'); - expect(parser.getToken()).toEqual(']'); - expect(parser.getToken()).toEqual('noaccess'); - expect(parser.getToken()).toEqual('def'); - expect(parser.getToken()).toEqual(null); - }); - it('handles glued tokens', function() { - var stream = new StringStream('dup/CharStrings'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.getToken()).toEqual('dup'); - expect(parser.getToken()).toEqual('/'); - expect(parser.getToken()).toEqual('CharStrings'); - }); - it('ignores whitespace', function() { - var stream = new StringStream('\nab c\t'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.getToken()).toEqual('ab'); - expect(parser.getToken()).toEqual('c'); - }); - it('parses numbers', function() { - var stream = new StringStream('123'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.readNumber()).toEqual(123); - }); - it('parses booleans', function() { - var stream = new StringStream('true false'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.readBoolean()).toEqual(1); - expect(parser.readBoolean()).toEqual(0); - }); - it('parses number arrays', function() { - var stream = new StringStream('[1 2]'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.readNumberArray()).toEqual([1, 2]); - // Variation on spacing. - stream = new StringStream('[ 1 2 ]'); - parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.readNumberArray()).toEqual([1, 2]); - }); - it('skips comments', function() { - var stream = new StringStream( - '%!PS-AdobeFont-1.0: CMSY10 003.002\n' + - '%%Title: CMSY10\n' + - '%Version: 003.002\n' + - 'FontDirectory'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - expect(parser.getToken()).toEqual('FontDirectory'); - }); - it('parses font program', function() { - var stream = new StringStream( - '/ExpansionFactor 99\n' + - '/Subrs 1 array\n' + - 'dup 0 1 RD x noaccess put\n'+ - 'end\n' + - '/CharStrings 46 dict dup begin\n' + - '/.notdef 1 RD x ND' + '\n' + - 'end'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - var program = parser.extractFontProgram(); - expect(program.charstrings.length).toEqual(1); - expect(program.properties.privateData.ExpansionFactor).toEqual(99); - }); - it('parses font header font matrix', function() { - var stream = new StringStream( - '/FontMatrix [0.001 0 0 0.001 0 0 ]readonly def\n'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - var props = {}; - parser.extractFontHeader(props); - expect(props.fontMatrix).toEqual([0.001, 0, 0, 0.001, 0, 0]); - }); - it('parses font header encoding', function() { - var stream = new StringStream( - '/Encoding 256 array\n' + - '0 1 255 {1 index exch /.notdef put} for\n' + - 'dup 33 /arrowright put\n' + - 'readonly def\n'); - var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); - var props = { overridableEncoding: true }; - parser.extractFontHeader(props); - expect(props.builtInEncoding[33]).toEqual('arrowright'); - }); - }); -}); diff --git a/test/unit/type1_parser_spec.js b/test/unit/type1_parser_spec.js new file mode 100644 index 000000000..3d9a4424a --- /dev/null +++ b/test/unit/type1_parser_spec.js @@ -0,0 +1,104 @@ +/* globals describe, it, expect, StringStream, Type1Parser, + SEAC_ANALYSIS_ENABLED */ + +'use strict'; + +describe('Type1Parser', function() { + it('splits tokens', function() { + var stream = new StringStream('/BlueValues[-17 0]noaccess def'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.getToken()).toEqual('/'); + expect(parser.getToken()).toEqual('BlueValues'); + expect(parser.getToken()).toEqual('['); + expect(parser.getToken()).toEqual('-17'); + expect(parser.getToken()).toEqual('0'); + expect(parser.getToken()).toEqual(']'); + expect(parser.getToken()).toEqual('noaccess'); + expect(parser.getToken()).toEqual('def'); + expect(parser.getToken()).toEqual(null); + }); + + it('handles glued tokens', function() { + var stream = new StringStream('dup/CharStrings'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.getToken()).toEqual('dup'); + expect(parser.getToken()).toEqual('/'); + expect(parser.getToken()).toEqual('CharStrings'); + }); + + it('ignores whitespace', function() { + var stream = new StringStream('\nab c\t'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.getToken()).toEqual('ab'); + expect(parser.getToken()).toEqual('c'); + }); + + it('parses numbers', function() { + var stream = new StringStream('123'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.readNumber()).toEqual(123); + }); + + it('parses booleans', function() { + var stream = new StringStream('true false'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.readBoolean()).toEqual(1); + expect(parser.readBoolean()).toEqual(0); + }); + + it('parses number arrays', function() { + var stream = new StringStream('[1 2]'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.readNumberArray()).toEqual([1, 2]); + // Variation on spacing. + stream = new StringStream('[ 1 2 ]'); + parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.readNumberArray()).toEqual([1, 2]); + }); + + it('skips comments', function() { + var stream = new StringStream( + '%!PS-AdobeFont-1.0: CMSY10 003.002\n' + + '%%Title: CMSY10\n' + + '%Version: 003.002\n' + + 'FontDirectory'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + expect(parser.getToken()).toEqual('FontDirectory'); + }); + + it('parses font program', function() { + var stream = new StringStream( + '/ExpansionFactor 99\n' + + '/Subrs 1 array\n' + + 'dup 0 1 RD x noaccess put\n'+ + 'end\n' + + '/CharStrings 46 dict dup begin\n' + + '/.notdef 1 RD x ND' + '\n' + + 'end'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + var program = parser.extractFontProgram(); + expect(program.charstrings.length).toEqual(1); + expect(program.properties.privateData.ExpansionFactor).toEqual(99); + }); + + it('parses font header font matrix', function() { + var stream = new StringStream( + '/FontMatrix [0.001 0 0 0.001 0 0 ]readonly def\n'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + var props = {}; + parser.extractFontHeader(props); + expect(props.fontMatrix).toEqual([0.001, 0, 0, 0.001, 0, 0]); + }); + + it('parses font header encoding', function() { + var stream = new StringStream( + '/Encoding 256 array\n' + + '0 1 255 {1 index exch /.notdef put} for\n' + + 'dup 33 /arrowright put\n' + + 'readonly def\n'); + var parser = new Type1Parser(stream, false, SEAC_ANALYSIS_ENABLED); + var props = { overridableEncoding: true }; + parser.extractFontHeader(props); + expect(props.builtInEncoding[33]).toEqual('arrowright'); + }); +}); diff --git a/test/unit/unit_test.html b/test/unit/unit_test.html index 720f63612..99218b5e7 100644 --- a/test/unit/unit_test.html +++ b/test/unit/unit_test.html @@ -13,7 +13,8 @@ - + +