check invalid secret

Author: Sneezry

src/models/otp.ts

@@ -62,6 +62,9 @@ class OTPEntry implements OTP {
         this.code = KeyUtilities.generate(this.type, this.secret, this.counter);
       } catch (error) {
         this.code = 'Invalid';
+        if (parent) {
+          parent.postMessage(`Invalid secret: [${this.secret}]`, '*');
+        }
       }
     }
   }

src/test/test.ts

@@ -297,3 +297,7 @@ const startBtn = document.getElementById('start');
 if (startBtn) {
   startBtn.onclick = testStart;
 }
+
+window.addEventListener('message', (event) => {
+  testRes[testCaseIndex] = {pass: false, error: event.data};
+}, false);