IBAN: Difference between revisions

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Inline

@@ Line 548: / Line 548: @@
             var countryCode = value.Substring(0, 2).ToUpper();
-            var lengthForCountryCode = _lengths[countryCode];
+            int lengthForCountryCode;
+            var countryCodeKnown = _lengths.TryGetValue(countryCode, out lengthForCountryCode);
+            if (!countryCodeKnown)
+            {
+                return IbanValidationResult.CountryCodeNotKnown;
+            }
             // Check length.
             if (value.Length < lengthForCountryCode)
@@ Line 568: / Line 576: @@
             return ValidationResult.IsValid;
+        }
+        public enum ValidationResult
+        {
+            IsValid,
+            ValueMissing,
+            ValueTooSmall,
+            ValueTooBig,
+            ValueFailsModule97Check,
+            CountryCodeNotKnown
         }
@@ Line 696: / Line 714: @@
             // Assert
             Assert.Equal(ValidationResult.ValueFailsModule97Check, result);
+        }
+        [Fact]
+        public void It_should_return_an_error_when_an_unkown_country_prefix_used()
+        {
+            // Assert
+            const string value = "XX82WEST12345698765432";
+            var validator = new IbanValidator();
+            // Act
+            var result = validator.Validate(value);
+            // Assert
+            Assert.Equal(ValidationResult.CountryCodeNotKnown, result);
         }