mirror of
https://github.com/mozilla/pdf.js.git
synced 2025-04-20 15:18:08 +02:00
Adds Promise to the getOperatorList
This commit is contained in:
Yury Delendik
parent
37a6aac972
commit
d8eb8b1de1
6 changed files with 568 additions and 488 deletions
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@ -1,6 +1,7 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* globals expect, it, describe, PartialEvaluator, StringStream, OPS */
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/* globals expect, it, describe, PartialEvaluator, StringStream, OPS,
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OperatorList, waitsFor, runs */
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'use strict';
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@ -30,17 +31,34 @@ describe('evaluator', function() {
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function PdfManagerMock() { }
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function runOperatorListCheck(evaluator, stream, resources, check) {
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var done = false;
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runs(function () {
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var result = new OperatorList();
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evaluator.getOperatorList(stream, resources, result).then(function () {
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check(result);
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done = true;
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});
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});
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waitsFor(function () {
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return done;
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});
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}
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describe('splitCombinedOperations', function() {
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it('should reject unknown operations', function() {
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var evaluator = new PartialEvaluator(new PdfManagerMock(),
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('fTT');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.argsArray[0].length).toEqual(0);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function(result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.argsArray[0].length).toEqual(0);
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});
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});
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it('should handle one operations', function() {
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@ -48,10 +66,12 @@ describe('evaluator', function() {
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('Q');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.restore);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function(result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.restore);
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});
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});
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it('should handle two glued operations', function() {
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@ -61,11 +81,12 @@ describe('evaluator', function() {
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var resources = new ResourcesMock();
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resources.Res1 = {};
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var stream = new StringStream('/Res1 DoQ');
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var result = evaluator.getOperatorList(stream, resources);
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(2);
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expect(result.fnArray[0]).toEqual(OPS.paintXObject);
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expect(result.fnArray[1]).toEqual(OPS.restore);
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runOperatorListCheck(evaluator, stream, resources, function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(2);
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expect(result.fnArray[0]).toEqual(OPS.paintXObject);
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expect(result.fnArray[1]).toEqual(OPS.restore);
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});
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});
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it('should handle tree glued operations', function() {
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@ -73,12 +94,14 @@ describe('evaluator', function() {
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('fff');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.fnArray[1]).toEqual(OPS.fill);
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expect(result.fnArray[2]).toEqual(OPS.fill);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.fnArray[1]).toEqual(OPS.fill);
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expect(result.fnArray[2]).toEqual(OPS.fill);
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});
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});
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it('should handle three glued operations #2', function() {
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@ -88,12 +111,13 @@ describe('evaluator', function() {
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var resources = new ResourcesMock();
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resources.Res1 = {};
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var stream = new StringStream('B*Bf*');
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var result = evaluator.getOperatorList(stream, resources);
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.eoFillStroke);
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expect(result.fnArray[1]).toEqual(OPS.fillStroke);
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expect(result.fnArray[2]).toEqual(OPS.eoFill);
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runOperatorListCheck(evaluator, stream, resources, function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.eoFillStroke);
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expect(result.fnArray[1]).toEqual(OPS.fillStroke);
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expect(result.fnArray[2]).toEqual(OPS.eoFill);
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});
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});
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it('should handle glued operations and operands', function() {
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@ -101,14 +125,16 @@ describe('evaluator', function() {
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('f5 Ts');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(2);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.fnArray[1]).toEqual(OPS.setTextRise);
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expect(result.argsArray.length).toEqual(2);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[1][0]).toEqual(5);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(2);
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expect(result.fnArray[0]).toEqual(OPS.fill);
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expect(result.fnArray[1]).toEqual(OPS.setTextRise);
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expect(result.argsArray.length).toEqual(2);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[1][0]).toEqual(5);
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});
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});
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it('should handle glued operations and literals', function() {
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@ -116,18 +142,20 @@ describe('evaluator', function() {
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('trueifalserinulln');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.setFlatness);
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expect(result.fnArray[1]).toEqual(OPS.setRenderingIntent);
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expect(result.fnArray[2]).toEqual(OPS.endPath);
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expect(result.argsArray.length).toEqual(3);
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expect(result.argsArray[0].length).toEqual(1);
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expect(result.argsArray[0][0]).toEqual(true);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[1][0]).toEqual(false);
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expect(result.argsArray[2].length).toEqual(0);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.setFlatness);
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expect(result.fnArray[1]).toEqual(OPS.setRenderingIntent);
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expect(result.fnArray[2]).toEqual(OPS.endPath);
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expect(result.argsArray.length).toEqual(3);
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expect(result.argsArray[0].length).toEqual(1);
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expect(result.argsArray[0][0]).toEqual(true);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[1][0]).toEqual(false);
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expect(result.argsArray[2].length).toEqual(0);
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});
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});
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});
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@ -138,57 +166,67 @@ describe('evaluator', function() {
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'prefix');
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var stream = new StringStream('5 1 d0');
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console.log('here!');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(result.argsArray[0][0]).toEqual(5);
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expect(result.argsArray[0][1]).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.setCharWidth);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(result.argsArray[0][0]).toEqual(5);
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expect(result.argsArray[0][1]).toEqual(1);
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expect(result.fnArray[0]).toEqual(OPS.setCharWidth);
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});
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});
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it('should execute if too many arguments', function() {
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var evaluator = new PartialEvaluator(new PdfManagerMock(),
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('5 1 4 d0');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(result.argsArray[0][0]).toEqual(1);
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expect(result.argsArray[0][1]).toEqual(4);
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expect(result.fnArray[0]).toEqual(OPS.setCharWidth);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(result.argsArray[0][0]).toEqual(1);
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expect(result.argsArray[0][1]).toEqual(4);
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expect(result.fnArray[0]).toEqual(OPS.setCharWidth);
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});
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});
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it('should execute if nested commands', function() {
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var evaluator = new PartialEvaluator(new PdfManagerMock(),
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('/F2 /GS2 gs 5.711 Tf');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.setGState);
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expect(result.fnArray[1]).toEqual(OPS.dependency);
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expect(result.fnArray[2]).toEqual(OPS.setFont);
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expect(result.argsArray.length).toEqual(3);
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expect(result.argsArray[0].length).toEqual(1);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[2].length).toEqual(2);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(result.fnArray.length).toEqual(3);
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expect(result.fnArray[0]).toEqual(OPS.setGState);
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expect(result.fnArray[1]).toEqual(OPS.dependency);
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expect(result.fnArray[2]).toEqual(OPS.setFont);
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expect(result.argsArray.length).toEqual(3);
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expect(result.argsArray[0].length).toEqual(1);
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expect(result.argsArray[1].length).toEqual(1);
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expect(result.argsArray[2].length).toEqual(2);
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});
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});
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it('should skip if too few arguments', function() {
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var evaluator = new PartialEvaluator(new PdfManagerMock(),
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('5 d0');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(result.argsArray).toEqual([]);
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expect(result.fnArray).toEqual([]);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(result.argsArray).toEqual([]);
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expect(result.fnArray).toEqual([]);
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});
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});
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it('should close opened saves', function() {
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var evaluator = new PartialEvaluator(new PdfManagerMock(),
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new XrefMock(), new HandlerMock(),
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'prefix');
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var stream = new StringStream('qq');
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var result = evaluator.getOperatorList(stream, new ResourcesMock());
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(4);
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expect(result.fnArray[0]).toEqual(OPS.save);
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expect(result.fnArray[1]).toEqual(OPS.save);
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expect(result.fnArray[2]).toEqual(OPS.restore);
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expect(result.fnArray[3]).toEqual(OPS.restore);
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runOperatorListCheck(evaluator, stream, new ResourcesMock(),
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function (result) {
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expect(!!result.fnArray && !!result.argsArray).toEqual(true);
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expect(result.fnArray.length).toEqual(4);
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expect(result.fnArray[0]).toEqual(OPS.save);
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expect(result.fnArray[1]).toEqual(OPS.save);
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expect(result.fnArray[2]).toEqual(OPS.restore);
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expect(result.fnArray[3]).toEqual(OPS.restore);
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});
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});
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});
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});
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