How to use Linearization method in wpt

Best JavaScript code snippet using wpt

parser_spec.js

Source:parser_spec.js

1/* globals expect, it, describe, StringStream, Lexer, Name, Linearization */2'use strict';3describe('parser', function() {4  describe('Lexer', function() {5    it('should stop parsing numbers at the end of stream', function() {6      var input = new StringStream('11.234');7      var lexer = new Lexer(input);8      var result = lexer.getNumber();9      expect(result).toEqual(11.234);10    });11    it('should parse PostScript numbers', function() {12      var numbers = ['-.002', '34.5', '-3.62', '123.6e10', '1E-5', '-1.', '0.0',13                    '123', '-98', '43445', '0', '+17'];14      for (var i = 0, ii = numbers.length; i < ii; i++) {15        var num = numbers[i];16        var input = new StringStream(num);17        var lexer = new Lexer(input);18        var result = lexer.getNumber();19        expect(result).toEqual(parseFloat(num));20      }21    });22    it('should ignore double negative before number', function() {23      var input = new StringStream('--205.88');24      var lexer = new Lexer(input);25      var result = lexer.getNumber();26      expect(result).toEqual(-205.88);27    });28    it('should handle glued numbers and operators', function() {29      var input = new StringStream('123ET');30      var lexer = new Lexer(input);31      var value = lexer.getNumber();32      expect(value).toEqual(123);33      // The lexer must not have consumed the 'E'34      expect(lexer.currentChar).toEqual(0x45); // 'E'35    });36    it('should stop parsing strings at the end of stream', function() {37      var input = new StringStream('(1$4)');38      input.getByte = function(super_getByte) {39        // simulating end of file using null (see issue 2766)40        var ch = super_getByte.call(input);41        return (ch === 0x24 /* '$' */ ? -1 : ch);42      }.bind(input, input.getByte);43      var lexer = new Lexer(input);44      var result = lexer.getString();45      expect(result).toEqual('1');46    });47    it('should not throw exception on bad input', function() {48      // '8 0 2 15 5 2 2 2 4 3 2 4'49      // should be parsed as50      // '80 21 55 22 24 32'51      var input = new StringStream('<7 0 2 15 5 2 2 2 4 3 2 4>');52      var lexer = new Lexer(input);53      var result = lexer.getHexString();54      expect(result).toEqual('p!U"$2');55    });56    it('should ignore escaped CR and LF', function() {57      // '(\101\<CR><LF>\102)'58      // should be parsed as59      // "AB"60      var input = new StringStream('(\\101\\\r\n\\102\\\r\\103\\\n\\104)');61      var lexer = new Lexer(input);62      var result = lexer.getString();63      expect(result).toEqual('ABCD');64    });65    it('should handle Names with invalid usage of NUMBER SIGN (#)', function() {66      var inputNames = ['/# 680 0 R', '/#AQwerty', '/#A<</B'];67      var expectedNames = ['#', '#AQwerty', '#A'];68      for (var i = 0, ii = inputNames.length; i < ii; i++) {69        var input = new StringStream(inputNames[i]);70        var lexer = new Lexer(input);71        var result = lexer.getName();72        expect(result).toEqual(Name.get(expectedNames[i]));73      }74    });75  });76  describe('Linearization', function() {77    it('should not find a linearization dictionary', function () {78      // Not an actual linearization dictionary.79      var stream1 = new StringStream(80        '3 0 obj\n' +81        '<<\n' +82        '/Length 4622\n' +83        '/Filter /FlateDecode\n' +84        '>>\n' +85        'endobj'86      );87      expect(Linearization.create(stream1)).toEqual(null);88      // Linearization dictionary with invalid version number.89      var stream2 = new StringStream(90        '1 0 obj\n' +91        '<<\n' +92        '/Linearized 0\n' +93        '>>\n' +94        'endobj'95      );96      expect(Linearization.create(stream2)).toEqual(null);97    });98    it('should accept a valid linearization dictionary', function () {99      var stream = new StringStream(100        '131 0 obj\n' +101        '<<\n' +102        '/Linearized 1\n' +103        '/O 133\n' +104        '/H [ 1388 863 ]\n' +105        '/L 90\n' +106        '/E 43573\n' +107        '/N 18\n' +108        '/T 193883\n' +109        '>>\n' +110        'endobj'111      );112      var expectedLinearizationDict = {113        length: 90,114        hints: [1388, 863],115        objectNumberFirst: 133,116        endFirst: 43573,117        numPages: 18,118        mainXRefEntriesOffset: 193883,119        pageFirst: 0,120      };121      expect(Linearization.create(stream)).toEqual(expectedLinearizationDict);122    });123    it('should reject a linearization dictionary with invalid ' +124       'integer parameters', function () {125      // The /L parameter should be equal to the stream length.126      var stream1 = new StringStream(127        '1 0 obj\n' +128        '<<\n' +129        '/Linearized 1\n' +130        '/O 133\n' +131        '/H [ 1388 863 ]\n' +132        '/L 196622\n' +133        '/E 43573\n' +134        '/N 18\n' +135        '/T 193883\n' +136        '>>\n' +137        'endobj'138      );139      expect(function () {140        return Linearization.create(stream1);141      }).toThrow(new Error('The "L" parameter in the linearization ' +142                           'dictionary does not equal the stream length.'));143      // The /E parameter should not be zero.144      var stream2 = new StringStream(145        '1 0 obj\n' +146        '<<\n' +147        '/Linearized 1\n' +148        '/O 133\n' +149        '/H [ 1388 863 ]\n' +150        '/L 84\n' +151        '/E 0\n' +152        '/N 18\n' +153        '/T 193883\n' +154        '>>\n' +155        'endobj'156      );157      expect(function () {158        return Linearization.create(stream2);159      }).toThrow(new Error('The "E" parameter in the linearization ' +160                           'dictionary is invalid.'));161      // The /O parameter should be an integer.162      var stream3 = new StringStream(163        '1 0 obj\n' +164        '<<\n' +165        '/Linearized 1\n' +166        '/O /abc\n' +167        '/H [ 1388 863 ]\n' +168        '/L 89\n' +169        '/E 43573\n' +170        '/N 18\n' +171        '/T 193883\n' +172        '>>\n' +173        'endobj'174      );175      expect(function () {176        return Linearization.create(stream3);177      }).toThrow(new Error('The "O" parameter in the linearization ' +178                           'dictionary is invalid.'));179    });180    it('should reject a linearization dictionary with invalid hint parameters',181       function () {182      // The /H parameter should be an array.183      var stream1 = new StringStream(184        '1 0 obj\n' +185        '<<\n' +186        '/Linearized 1\n' +187        '/O 133\n' +188        '/H 1388\n' +189        '/L 80\n' +190        '/E 43573\n' +191        '/N 18\n' +192        '/T 193883\n' +193        '>>\n' +194        'endobj'195      );196      expect(function () {197        return Linearization.create(stream1);198      }).toThrow(new Error('Hint array in the linearization dictionary ' +199                           'is invalid.'));200      // The hint array should contain two, or four, elements.201      var stream2 = new StringStream(202        '1 0 obj\n' +203        '<<\n' +204        '/Linearized 1\n' +205        '/O 133\n' +206        '/H [ 1388 ]\n' +207        '/L 84\n' +208        '/E 43573\n' +209        '/N 18\n' +210        '/T 193883\n' +211        '>>\n' +212        'endobj'213      );214      expect(function () {215        return Linearization.create(stream2);216      }).toThrow(new Error('Hint array in the linearization dictionary ' +217                           'is invalid.'));218      // The hint array should not contain zero.219      var stream3 = new StringStream(220        '1 0 obj\n' +221        '<<\n' +222        '/Linearized 1\n' +223        '/O 133\n' +224        '/H [ 1388 863 0 234]\n' +225        '/L 93\n' +226        '/E 43573\n' +227        '/N 18\n' +228        '/T 193883\n' +229        '>>\n' +230        'endobj'231      );232      expect(function () {233        return Linearization.create(stream3);234      }).toThrow(new Error('Hint (2) in the linearization dictionary ' +235                           'is invalid.'));236    });237  });...

linear.js

Source:linear.js

...122    plot(linearizationToleranceBoard, userFunction, {strokecolor: "blue"});123}124function setLinearizationPoint() {125    linearizationPoint = parseFloat(document.getElementById("linearizationPoint").value);126    plotLinearization();127}128function plotLinearization() {129    linearizationToleranceBoard.clear();130    function linearization(x) {131        return userFunction(linearizationPoint)132            + derivative(linearizationPoint)*(x - linearizationPoint);133    }134    function linearizationUpperBound(x) {135        return linearization(x) + linearizationTolerance;136    }137    function linearizationLowerBound(x) {138        return linearization(x) - linearizationTolerance;139    }140    plotUserFunction();141    plot(userFunctionBoard, linearization, {strokecolor: "magenta"});142    userFunctionBoard.board.create143    ("point", [linearizationPoint, userFunction(linearizationPoint)], {name:""});144    plot(linearizationToleranceBoard, linearization, {strokecolor: "magenta"});145    plot(linearizationToleranceBoard, linearizationUpperBound, {strokecolor: "green"});146    plot(linearizationToleranceBoard, linearizationLowerBound, {strokecolor: "green"});147    linearizationToleranceBoard.board.create148    ("point", [linearizationPoint, userFunction(linearizationPoint)], {name:""});149    plotSecondDerivative();150}151function clearLinearizationPlots() {152    linearizationToleranceBoard.clear();153    plotCurrentFunctions();154}155function plotSecondDerivative() {156    secondDerivativeBoard.clear();157    plot(secondDerivativeBoard, absSecondDerivative, {strokecolor: "blue"});158    secondDerivativeBoard.board.create("line", [159        [linearizationPoint - linearizationIntervalRadius, -1000],160        [linearizationPoint - linearizationIntervalRadius, 1000],161    ], {strokecolor: "red", strokewidth:1});162    secondDerivativeBoard.board.create("line", [163        [linearizationPoint + linearizationIntervalRadius, -1000],164        [linearizationPoint + linearizationIntervalRadius, 1000],165    ], {strokecolor: "red", strokewidth:1});166}167function setLinearizationTolerance() {168    linearizationTolerance = parseFloat(document.getElementById("linearizationTolerance").value);169    plotLinearization();170}171function resetLinearizationTolerance() {172    linearizationTolerance = 1.0;173    document.getElementById("linearizationTolerance").value = "1.0";174    plotLinearization();175}176function setLinearizationIntervalRadius() {177    linearizationIntervalRadius = Math.abs(parseFloat(178        document.getElementById("linearizationIntervalRadius").value));179    plotSecondDerivative();180}181function resetLinearizationIntervalRadius() {182    linearizationIntervalRadius = 1.0;183    document.getElementById("linearizationIntervalRadius").value = "1.0";...

Using AI Code Generation

1var wpt = require('webpagetest');2var test = new wpt('www.webpagetest.org');3}, function(err, data) {4  if (err) return console.error(err);5  console.log(data);6});7var wpt = require('webpagetest');8var test = new wpt('www.webpagetest.org');9}, function(err, data) {10  if (err) return console.error(err);11  console.log(data);12});13var wpt = require('webpagetest');14var test = new wpt('www.webpagetest.org');15}, function(err, data) {16  if (err) return console.error(err);17  console.log(data);18});19var wpt = require('webpagetest');20var test = new wpt('www.webpagetest.org');21}, function(err, data) {22  if (err) return console.error(err);23  console.log(data);24});25var wpt = require('webpagetest');26var test = new wpt('www.webpagetest.org');27}, function(err

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3}, function(err, data) {4    if (err) return console.error(err);5    console.log(data);6});

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const page = wptools.page('Barack Obama');4page.get((err, page) => {5  fs.writeFile('output.json', JSON.stringify(page.data), (err) => {6    if (err) throw err;7    console.log('It\'s saved!');8  });9});10{11  "extract": "Barack Hussein Obama II (/bəˈrɑːk huːˈseɪn oʊˈbɑːmə/; born August 4, 1961) is an American politician who served as the 44th President of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American to be elected to the presidency. He previously served as a U.S. senator from Illinois from 2005 to 2008 and an Illinois state senator from 1997 to 2004. Obama was born in Honolulu, Hawaii. After graduating from Columbia University in 1983, he worked as a community organizer in Chicago. In 1988, he enrolled in Harvard Law School, where he was the first black president of the Harvard Law Review. He was a civil rights attorney and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 until 2004, when he ran for the U.S. Senate.",

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var wp = new wptoolkit();3var options = {4};5wp.linearize(options, function(err, result) {6  if (err) {7    console.log(err);8  } else {9    console.log(result);10  }11});12var wptoolkit = require('wptoolkit');13var wp = new wptoolkit();14var options = {15};16wp.linearize(options, function(err, result) {17  if (err) {18    console.log(err);19  } else {20    console.log(result);21  }22});23var wptoolkit = require('wptoolkit');24var wp = new wptoolkit();25var options = {26};27wp.linearize(options, function(err, result) {28  if (err) {29    console.log(err);30  } else {31    console.log(result);32  }33});34var wptoolkit = require('wptoolkit');35var wp = new wptoolkit();36var options = {37};38wp.linearize(options, function(err, result) {39  if (err) {40    console.log(err);41  } else {42    console.log(result);43  }44});45var wptoolkit = require('wptoolkit');46var wp = new wptoolkit();47var options = {

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var wp = new wptoolkit();3var wptoolkit = require('wptoolkit');4var wp = new wptoolkit();5    console.log(data);6});7var wptoolkit = require('wptoolkit');8var wp = new wptoolkit();9    console.log(data);10}, 10000);11var wptoolkit = require('wptoolkit');12var wp = new wptoolkit();13    console.log(data);

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var data = wptoolkit.linearize('json', 'json', 'json');3console.log(data);4var wptoolkit = require('wptoolkit');5var data = wptoolkit.json('json', 'json', 'json');6console.log(data);7var wptoolkit = require('wptoolkit');8var data = wptoolkit.xml('json', 'json', 'json');9console.log(data);10var wptoolkit = require('wptoolkit');11var data = wptoolkit.csv('json', 'json', 'json');12console.log(data);13var wptoolkit = require('wptoolkit');14var data = wptoolkit.xml('json', 'json', 'json');15console.log(data);16var wptoolkit = require('wptoolkit');17var data = wptoolkit.csv('json', 'json', 'json');18console.log(data);19var wptoolkit = require('wptoolkit');20var data = wptoolkit.xml('json', 'json', 'json');21console.log(data);22var wptoolkit = require('wptoolkit');23var data = wptoolkit.csv('json', 'json', 'json');24console.log(data);25var wptoolkit = require('wptoolkit');26var data = wptoolkit.xml('json', 'json', 'json');27console.log(data);28var wptoolkit = require('wptoolkit');29var data = wptoolkit.csv('json', 'json',

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var pdf = new wptoolkit.PDF();3pdf.linearize('test.pdf', 'test_linearized.pdf', function(err, data){4    if(err){5        console.log(err);6    }7    else{8        console.log('Linearized');9    }10});11var wptoolkit = require('wptoolkit');12var pdf = new wptoolkit.PDF();13pdf.linearize('test.pdf', 'test_linearized.pdf', function(err, data){14    if(err){15        console.log(err);16    }17    else{18        console.log('Linearized');19    }20});

Using AI Code Generation

1var wptk = require('wptoolkit');2var obj = {};3wptk.linearize(obj);4var proto = {};5var obj = {};6wptk.linearize(obj, proto);7var proto = {};8var obj = {};9var constr = function(){};10wptk.linearize(obj, proto, constr);11var obj = {};12var constr = function(){};13wptk.linearize(obj, null, constr);14var obj = {};15var constr = function(){};16wptk.linearize(obj, null, constr, 'test');17var obj = {};18wptk.linearize(obj, null, null, 'test');19var obj = {};20var proto = {};21var constr = function(){};22wptk.linearize(obj, proto, constr, 'test');23var obj = {};24var proto = {};25wptk.linearize(obj, proto, null, 'test');26var obj = {};27var constr = function(){};28wptk.linearize(obj, null, constr, 'test');29var obj = {};30var proto = {};31var constr = function(){};32var parent = {};33wptk.linearize(obj, proto, constr, 'test', parent);34var obj = {};35var proto = {};36var constr = function(){};37var parent = {};38wptk.linearize(obj, proto, constr, null, parent);39var obj = {};40var proto = {};41var constr = function(){};42var parent = {};43wptk.linearize(obj, proto, null, 'test', parent);44var obj = {};45var proto = {};46var constr = function(){};

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