Add a couple of CipherTransformFactory unit-tests for blank passwords, and move the isDict unit-tests to the correct file

test/unit/crypto_spec.js

@@ -481,6 +481,19 @@ describe('CipherTransformFactory', function() {
     done();
   }
 
+  function ensurePasswordNeeded(done, dict, fileId, password) {
+    try {
+      new CipherTransformFactory(dict, fileId, password);
+    } catch (ex) {
+      expect(ex instanceof PasswordException).toEqual(true);
+      expect(ex.code).toEqual(PasswordResponses.NEED_PASSWORD);
+
+      done();
+      return;
+    }
+    done.fail('Password should be rejected.');
+  }
+
   function ensurePasswordIncorrect(done, dict, fileId, password) {
     try {
       new CipherTransformFactory(dict, fileId, password);
@@ -609,6 +622,9 @@ describe('CipherTransformFactory', function() {
       it('should accept owner password', function (done) {
         ensurePasswordCorrect(done, aes256Dict, fileId1, 'owner');
       });
+      it('should not accept blank password', function (done) {
+        ensurePasswordNeeded(done, aes256Dict, fileId1);
+      });
       it('should not accept wrong password', function (done) {
         ensurePasswordIncorrect(done, aes256Dict, fileId1, 'wrong');
       });
@@ -624,6 +640,9 @@ describe('CipherTransformFactory', function() {
       it('should accept owner password', function (done) {
         ensurePasswordCorrect(done, aes256IsoDict, fileId1, 'owner');
       });
+      it('should not accept blank password', function (done) {
+        ensurePasswordNeeded(done, aes256IsoDict, fileId1);
+      });
       it('should not accept wrong password', function (done) {
         ensurePasswordIncorrect(done, aes256IsoDict, fileId1, 'wrong');
       });
@@ -638,10 +657,13 @@ describe('CipherTransformFactory', function() {
     it('should accept owner password', function (done) {
       ensurePasswordCorrect(done, dict1, fileId1, '654321');
     });
+    it('should not accept blank password', function (done) {
+      ensurePasswordNeeded(done, dict1, fileId1);
+    });
     it('should not accept wrong password', function (done) {
       ensurePasswordIncorrect(done, dict1, fileId1, 'wrong');
     });
-    it('should accept no password', function (done) {
+    it('should accept blank password', function (done) {
       ensurePasswordCorrect(done, dict2, fileId2);
     });
   });

test/unit/primitives_spec.js

@@ -1,10 +1,9 @@
 /* globals expect, it, describe, beforeEach, Name, Dict, Ref, RefSet, Cmd,
-           jasmine */
+           jasmine, isDict */
 
 'use strict';
 
 describe('primitives', function() {
-
   describe('Name', function() {
     it('should retain the given name', function() {
       var givenName = 'Font';
@@ -146,4 +145,17 @@ describe('primitives', function() {
       expect(refset.has(anotherRef)).toBeFalsy();
     });
   });
+
+  describe('isDict', function() {
+    it('handles empty dictionaries with type check', function() {
+      var dict = new Dict();
+      expect(isDict(dict, 'Page')).toEqual(false);
+    });
+
+    it('handles dictionaries with type check', function() {
+      var dict = new Dict();
+      dict.set('Type', Name.get('Page'));
+      expect(isDict(dict, 'Page')).toEqual(true);
+    });
+  });
 });

test/unit/util_spec.js

@@ -1,22 +1,8 @@
-/* globals expect, it, describe, Dict, isDict, Name, PDFJS,
-           stringToPDFString, removeNullCharacters */
+/* globals describe, it, expect, stringToPDFString, removeNullCharacters */
 
 'use strict';
 
 describe('util', function() {
-  describe('isDict', function() {
-    it('handles empty dictionaries with type check', function() {
-      var dict = new Dict();
-      expect(isDict(dict, 'Page')).toEqual(false);
-    });
-
-    it('handles dictionaries with type check', function() {
-      var dict = new Dict();
-      dict.set('Type', Name.get('Page'));
-      expect(isDict(dict, 'Page')).toEqual(true);
-    });
-  });
-
   describe('stringToPDFString', function() {
     it('handles ISO Latin 1 strings', function() {
       var str = '\x8Dstring\x8E';