Adding tests cases for 128/192GCM

Author: talha-API

Mastercard.Developer.ClientEncryption.Tests/NetCore2/Encryption/JWE/GcmJweObjectTest.cs

@@ -12,10 +12,34 @@ public class GcmJweObjectTest
 #if !NETCOREAPP3_1 && !NET5_0_OR_GREATER
         [ExpectedException(typeof(EncryptionException), "AES/GCM/NoPadding is unsupported on .NET Standard < 2.1")]
 #endif
-        public void TestDecrypt_ShouldReturnDecryptedPayload_WhenPayloadIsGcmEncrypted()
+        public void TestDecrypt_ShouldReturnDecryptedPayload_WhenPayloadIs256GcmEncrypted()
         {
             // GIVEN
-            JweObject jweObject = TestUtils.GetTestGcmJweObject();
+            JweObject jweObject = TestUtils.GetTest256GcmJweObject();
+
+            // WHEN
+            string decryptedPayload = jweObject.Decrypt(TestUtils.GetTestJweConfigBuilder().Build());
+
+            // THEN
+            Assert.AreEqual("{\"foo\":\"bar\"}", decryptedPayload);
+        }
+
+        public void TestDecrypt_ShouldReturnDecryptedPayload_WhenPayloadIs192GcmEncrypted()
+        {
+            // GIVEN
+            JweObject jweObject = TestUtils.GetTest192GcmJweObject();
+
+            // WHEN
+            string decryptedPayload = jweObject.Decrypt(TestUtils.GetTestJweConfigBuilder().Build());
+
+            // THEN
+            Assert.AreEqual("{\"foo\":\"bar\"}", decryptedPayload);
+        }
+
+        public void TestDecrypt_ShouldReturnDecryptedPayload_WhenPayloadIs128GcmEncrypted()
+        {
+            // GIVEN
+            JweObject jweObject = TestUtils.GetTest128GcmJweObject();
 
             // WHEN
             string decryptedPayload = jweObject.Decrypt(TestUtils.GetTestJweConfigBuilder().Build());