Merge pull request #1052 from notmasteryet/tree-56

Replacing non-existent page content with empty one

src/core.js

@@ -196,6 +196,9 @@ var Page = (function PageClosure() {
         for (i = 0; i < n; ++i)
           content[i] = xref.fetchIfRef(content[i]);
         content = new StreamsSequenceStream(content);
+      } else if (!content) {
+        // replacing non-existent page content with empty one
+        content = new Stream(new Uint8Array(0));
       }
 
       var pe = this.pe = new PartialEvaluator(

test/driver.js

@@ -78,6 +78,14 @@ function cleanup() {
   }
 }
 
+function exceptionToString(e) {
+  if (typeof e !== 'object')
+    return String(e);
+  if (!('message' in e))
+    return JSON.stringify(e);
+  return e.message + ('stack' in e ? ' at ' + e.stack.split('\n')[0] : '');
+}
+
 function nextTask() {
   cleanup();
 
@@ -95,7 +103,7 @@ function nextTask() {
     try {
       task.pdfDoc = new PDFJS.PDFDoc(data);
     } catch (e) {
-      failure = 'load PDF doc : ' + e.toString();
+      failure = 'load PDF doc : ' + exceptionToString(e);
     }
     task.pageNum = task.firstPage || 1;
     nextPage(task, failure);
@@ -185,7 +193,7 @@ function nextPage(task, loadError) {
         textLayerBuilder
       );
     } catch (e) {
-      failure = 'page setup : ' + e.toString();
+      failure = 'page setup : ' + exceptionToString(e);
     }
   }
 

test/pdfs/liveprogramming.pdf.link

@@ -0,0 +1 @@
+http://blog.lassus.se/files/liveprogramming.pdf

test/test_manifest.json

@@ -395,5 +395,13 @@
       "rounds": 1,
       "link": true,
       "type": "eq"
+    },
+    {  "id": "liveprogramming",
+      "file": "pdfs/liveprogramming.pdf",
+      "md5": "7bd4dad1188232ef597d36fd72c33e52",
+      "rounds": 1,
+      "pageLimit": 3,
+      "link": true,
+      "type": "load"
     }
 ]