Add a unit-test for annotations where the `URI` action has an incorrect encoding (bug 1122280, PR 5999)

test/unit/annotation_layer_spec.js

@@ -1,7 +1,8 @@
 /* globals expect, it, describe, Dict, Name, Annotation, AnnotationBorderStyle,
            AnnotationBorderStyleType, AnnotationType, AnnotationFlag, PDFJS,
            beforeEach, afterEach, stringToBytes, AnnotationFactory, Ref, isRef,
-           beforeAll, afterAll, AnnotationFieldFlag */
+           beforeAll, afterAll, AnnotationFieldFlag, stringToUTF8String,
+           StringStream, Lexer, Parser */
 
 'use strict';
 
@@ -302,6 +303,38 @@ describe('Annotation layer', function() {
       expect(data.dest).toBeUndefined();
     });
 
+    it('should correctly parse a URI action, where the URI entry ' +
+       'has an incorrect encoding (bug 1122280)', function () {
+      var actionStream = new StringStream(
+        '<<\n' +
+        '/Type /Action\n' +
+        '/S /URI\n' +
+        '/URI (http://www.example.com/\\303\\274\\303\\266\\303\\244)\n' +
+        '>>\n'
+      );
+      var lexer = new Lexer(actionStream);
+      var parser = new Parser(lexer);
+      var actionDict = parser.getObj();
+
+      var annotationDict = new Dict();
+      annotationDict.set('Type', Name.get('Annot'));
+      annotationDict.set('Subtype', Name.get('Link'));
+      annotationDict.set('A', actionDict);
+
+      var annotationRef = new Ref(8, 0);
+      var xref = new XRefMock([
+        { ref: annotationRef, data: annotationDict, }
+      ]);
+
+      var annotation = annotationFactory.create(xref, annotationRef);
+      var data = annotation.data;
+      expect(data.annotationType).toEqual(AnnotationType.LINK);
+
+      expect(data.url).toEqual(
+        stringToUTF8String('http://www.example.com/üöä'));
+      expect(data.dest).toBeUndefined();
+    });
+
     it('should correctly parse a GoTo action', function() {
       var actionDict = new Dict();
       actionDict.set('Type', Name.get('Action'));