2 changed files with 229 additions and 216 deletions
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/* |
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* A Test Driver for PDF.js |
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*/ |
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var appPath, browser, canvas, currentTaskIdx, manifest, stdout; |
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function queryParams() { |
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var qs = window.location.search.substring(1); |
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var kvs = qs.split("&"); |
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var params = { }; |
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for (var i = 0; i < kvs.length; ++i) { |
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var kv = kvs[i].split("="); |
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params[unescape(kv[0])] = unescape(kv[1]); |
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} |
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return params; |
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} |
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function load() { |
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var params = queryParams(); |
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browser = params.browser; |
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manifestFile = params.manifestFile; |
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appPath = params.path; |
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canvas = document.createElement("canvas"); |
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canvas.mozOpaque = true; |
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stdout = document.getElementById("stdout"); |
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log("load...\n"); |
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log("Harness thinks this browser is '"+ browser + "' with path " + appPath + "\n"); |
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log("Fetching manifest "+ manifestFile +"..."); |
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var r = new XMLHttpRequest(); |
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r.open("GET", manifestFile, false); |
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r.onreadystatechange = function(e) { |
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if (r.readyState == 4) { |
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log("done\n"); |
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manifest = JSON.parse(r.responseText); |
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currentTaskIdx = 0, nextTask(); |
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} |
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}; |
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r.send(null); |
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} |
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window.onload = load; |
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function nextTask() { |
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if (currentTaskIdx == manifest.length) { |
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return done(); |
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} |
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var task = manifest[currentTaskIdx]; |
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task.round = 0; |
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log("Loading file "+ task.file +"\n"); |
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var r = new XMLHttpRequest(); |
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r.open("GET", task.file); |
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r.mozResponseType = r.responseType = "arraybuffer"; |
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r.onreadystatechange = function() { |
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if (r.readyState == 4) { |
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var data = r.mozResponseArrayBuffer || r.mozResponse || |
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r.responseArrayBuffer || r.response; |
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try { |
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task.pdfDoc = new PDFDoc(new Stream(data)); |
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} catch(e) { |
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failure = 'load PDF doc: '+ e.toString(); |
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} |
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task.pageNum = 1, nextPage(task); |
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} |
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}; |
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r.send(null); |
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} |
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function isLastPage(task) { |
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return (task.pdfDoc && (task.pageNum > task.pdfDoc.numPages)); |
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} |
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function nextPage(task) { |
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if (isLastPage(task)) { |
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if (++task.round < task.rounds) { |
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log(" Round "+ (1 + task.round) +"\n"); |
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task.pageNum = 1; |
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} else { |
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++currentTaskIdx, nextTask(); |
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return; |
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} |
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} |
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var failure = ''; |
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log(" loading page "+ task.pageNum +"... "); |
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var ctx = canvas.getContext("2d"); |
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var fonts = []; |
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var gfx = null; |
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var page = null; |
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try { |
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gfx = new CanvasGraphics(ctx); |
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page = task.pdfDoc.getPage(task.pageNum); |
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page.compile(gfx, fonts); |
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} catch(e) { |
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failure = 'compile: '+ e.toString(); |
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} |
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if (!failure) { |
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try { |
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var pdfToCssUnitsCoef = 96.0 / 72.0; |
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// using mediaBox for the canvas size
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var pageWidth = (page.mediaBox[2] - page.mediaBox[0]); |
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var pageHeight = (page.mediaBox[3] - page.mediaBox[1]); |
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canvas.width = pageWidth * pdfToCssUnitsCoef; |
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canvas.height = pageHeight * pdfToCssUnitsCoef; |
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clear(ctx); |
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} catch(e) { |
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failure = 'page setup: '+ e.toString(); |
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} |
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} |
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if (!failure) { |
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try { |
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FontLoader.bind(fonts, function() { |
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snapshotCurrentPage(gfx, page, task, failure); |
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}); |
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} catch(e) { |
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failure = 'fonts: '+ e.toString(); |
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} |
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} |
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if (failure) { |
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// Skip right to snapshotting if there was a failure, since the
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// fonts might be in an inconsistent state.
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snapshotCurrentPage(gfx, page, task, failure); |
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} |
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} |
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function snapshotCurrentPage(gfx, page, task, failure) { |
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log("done, snapshotting... "); |
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if (!failure) { |
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try { |
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page.display(gfx); |
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} catch(e) { |
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failure = 'render: '+ e.toString(); |
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} |
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} |
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sendTaskResult(canvas.toDataURL("image/png"), task, failure); |
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log("done"+ (failure ? " (failed!)" : "") +"\n"); |
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// Set up the next request
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backoff = (inFlightRequests > 0) ? inFlightRequests * 10 : 0; |
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setTimeout(function() { |
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++task.pageNum, nextPage(task); |
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}, |
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backoff |
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); |
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} |
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function sendQuitRequest() { |
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var r = new XMLHttpRequest(); |
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r.open("POST", "/tellMeToQuit?path=" + escape(appPath), false); |
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r.send(""); |
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} |
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function quitApp() { |
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log("Done!"); |
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document.body.innerHTML = "Tests are finished. <h1>CLOSE ME!</h1>"; |
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if (window.SpecialPowers) { |
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SpecialPowers.quitApplication(); |
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} else { |
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sendQuitRequest(); |
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window.close(); |
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} |
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} |
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function done() { |
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if (inFlightRequests > 0) { |
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document.getElementById("inFlightCount").innerHTML = inFlightRequests; |
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setTimeout(done, 100); |
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} else { |
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setTimeout(quitApp, 100); |
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} |
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} |
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var inFlightRequests = 0; |
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function sendTaskResult(snapshot, task, failure) { |
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var result = { browser: browser, |
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id: task.id, |
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numPages: task.pdfDoc.numPages, |
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failure: failure, |
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file: task.file, |
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round: task.round, |
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page: task.pageNum, |
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snapshot: snapshot }; |
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var r = new XMLHttpRequest(); |
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// (The POST URI is ignored atm.)
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r.open("POST", "/submit_task_results", true); |
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r.setRequestHeader("Content-Type", "application/json"); |
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r.onreadystatechange = function(e) { |
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if (r.readyState == 4) { |
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inFlightRequests--; |
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} |
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} |
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document.getElementById("inFlightCount").innerHTML = inFlightRequests++; |
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r.send(JSON.stringify(result)); |
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} |
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function clear(ctx) { |
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ctx.save(); |
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ctx.fillStyle = "rgb(255, 255, 255)"; |
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ctx.fillRect(0, 0, canvas.width, canvas.height); |
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ctx.restore(); |
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} |
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/* Auto-scroll if the scrollbar is near the bottom, otherwise do nothing. */ |
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function checkScrolling() { |
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if ((stdout.scrollHeight - stdout.scrollTop) <= stdout.offsetHeight) { |
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stdout.scrollTop = stdout.scrollHeight; |
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} |
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} |
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function log(str) { |
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stdout.innerHTML += str; |
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checkScrolling(); |
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} |
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