js: add tests

--

* BrowserTestExtension/tests:

  - decryptTest.js: Check Decryption and return values of binary data
  - encryptTest.js: Return data type of armored/non-armored encryption
  - added a small encoded input png for testing

* DemoExtension/maindemo.js: Fixed unexpected usage of the Demo encrypt
  (non-armored)

1 files changed, 2 insertions, 2 deletions

diff --git a/lang/js/DemoExtension/maindemo.js b/lang/js/DemoExtension/maindemo.js
index b472bcc8..c992e7e1 100644
--- a/lang/js/DemoExtension/maindemo.js
+++ b/lang/js/DemoExtension/maindemo.js
@@ -29,8 +29,8 @@ document.addEventListener('DOMContentLoaded', function () {
             function (){
                 let data = document.getElementById('inputtext').value;
                 let keyId = document.getElementById('pubkey').value;
-                gpgmejs.encrypt({ data: data, publicKeys: keyId, armor:false }).then(
-                    function (answer){
+                gpgmejs.encrypt({ data: data, publicKeys: keyId, armor: true })
+                    .then(function (answer){
                         if (answer.data){
                             document.getElementById(
                                 'answer').value = answer.data;