/* -*- 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, PartialEvaluator, StringStream */ 'use strict'; describe('evaluator', function() { function XrefMock(queue) { this.queue = queue; } XrefMock.prototype = { fetchIfRef: function() { return this.queue.shift(); } }; function HandlerMock() { this.inputs = []; } HandlerMock.prototype = { send: function(name, data) { this.inputs({name: name, data: data}); } }; function ResourcesMock() { } ResourcesMock.prototype = { get: function(name) { return this[name]; } }; function PdfManagerMock() { } describe('splitCombinedOperations', function() { it('should reject unknown operations', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('qTT'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(1); expect(result.fnArray[0]).toEqual('save'); expect(result.argsArray[0].length).toEqual(0); }); }); it('should handle one operations', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('Q'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(1); expect(result.fnArray[0]).toEqual('restore'); }); }); it('should handle two glued operations', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var resources = new ResourcesMock(); resources.Res1 = {}; var stream = new StringStream('/Res1 DoQ'); var promise = evaluator.getOperatorList(stream, resources); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(2); expect(result.fnArray[0]).toEqual('paintXObject'); expect(result.fnArray[1]).toEqual('restore'); }); }); it('should handle tree glued operations', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('qqq'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(3); expect(result.fnArray[0]).toEqual('save'); expect(result.fnArray[1]).toEqual('save'); expect(result.fnArray[2]).toEqual('save'); }); }); it('should handle three glued operations #2', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var resources = new ResourcesMock(); resources.Res1 = {}; var stream = new StringStream('B*Bf*'); var promise = evaluator.getOperatorList(stream, resources); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(3); expect(result.fnArray[0]).toEqual('eoFillStroke'); expect(result.fnArray[1]).toEqual('fillStroke'); expect(result.fnArray[2]).toEqual('eoFill'); }); }); it('should handle glued operations and operands', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('q5 Ts'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(2); expect(result.fnArray[0]).toEqual('save'); expect(result.fnArray[1]).toEqual('setTextRise'); expect(result.argsArray.length).toEqual(2); expect(result.argsArray[1].length).toEqual(1); expect(result.argsArray[1][0]).toEqual(5); }); }); it('should handle glued operations and literals', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('trueifalserinullq'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(!!result.fnArray && !!result.argsArray).toEqual(true); expect(result.fnArray.length).toEqual(3); expect(result.fnArray[0]).toEqual('setFlatness'); expect(result.fnArray[1]).toEqual('setRenderingIntent'); expect(result.fnArray[2]).toEqual('save'); expect(result.argsArray.length).toEqual(3); expect(result.argsArray[0].length).toEqual(1); expect(result.argsArray[0][0]).toEqual(true); expect(result.argsArray[1].length).toEqual(1); expect(result.argsArray[1][0]).toEqual(false); expect(result.argsArray[2].length).toEqual(0); }); }); }); describe('validateNumberOfArgs', function() { it('should execute if correct number of arguments', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('5 1 d0'); console.log('here!'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(result.argsArray[0][0]).toEqual(5); expect(result.argsArray[0][1]).toEqual(1); expect(result.fnArray[0]).toEqual('setCharWidth'); }); }); it('should execute if too many arguments', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('5 1 4 d0'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(result.argsArray[0][0]).toEqual(5); expect(result.argsArray[0][1]).toEqual(1); expect(result.argsArray[0][2]).toEqual(4); expect(result.fnArray[0]).toEqual('setCharWidth'); }); }); it('should skip if too few arguments', function() { var evaluator = new PartialEvaluator(new PdfManagerMock(), new XrefMock(), new HandlerMock(), 'prefix'); var stream = new StringStream('5 d0'); var promise = evaluator.getOperatorList(stream, new ResourcesMock()); promise.then(function(data) { var result = data.queue; expect(result.argsArray).toEqual([]); expect(result.fnArray).toEqual([]); }); }); }); });