[Autofill] Credit Card validation for rAc.

chrome/browser/autofill/validation_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/validation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
@@ skipping 16 matching lines @@
   "4222-2222-2222-2",
   "5019717010103742",
   "6331101999990016",
 };
 const char* const kInvalidNumbers[] = {
   "4111 1111 112", /* too short */
   "41111111111111111115", /* too long */
   "4111-1111-1111-1110", /* wrong Luhn checksum */
   "3056 9309 0259 04aa", /* non-digit characters */
 };
-
+const char* const kValidCreditCardSecurityCode[] = {
+  "323",  // 3-digit CSC.
+  "3234",  // 4-digit CSC.
+};
+const char* const kInvalidCreditCardSecurityCode[] = {
+  "32",  // CSC too short.
+  "12345",  // CSC too long.
+  "asd",  // non-numeric CSC.
+};
 }  // namespace
 
 TEST(AutofillValidation, IsValidCreditCardNumber) {
   for (size_t i = 0; i < arraysize(kValidNumbers); ++i) {
     SCOPED_TRACE(kValidNumbers[i]);
     EXPECT_TRUE(
         autofill::IsValidCreditCardNumber(ASCIIToUTF16(kValidNumbers[i])));
   }
   for (size_t i = 0; i < arraysize(kInvalidNumbers); ++i) {
     SCOPED_TRACE(kInvalidNumbers[i]);
     EXPECT_FALSE(
         autofill::IsValidCreditCardNumber(ASCIIToUTF16(kInvalidNumbers[i])));
   }
 }
+
+TEST(AutofillValidation, IsValidCreditCardSecurityCode) {
+  for (size_t i = 0; i < arraysize(kValidCreditCardSecurityCode); ++i) {
+    SCOPED_TRACE(kValidCreditCardSecurityCode[i]);
+    EXPECT_TRUE(
+        autofill::IsValidCreditCardSecurityCode(
+            ASCIIToUTF16(kValidCreditCardSecurityCode[i])));
+  }
+  for (size_t i = 0; i < arraysize(kInvalidCreditCardSecurityCode); ++i) {
+    SCOPED_TRACE(kInvalidCreditCardSecurityCode[i]);
+    EXPECT_FALSE(
+        autofill::IsValidCreditCardSecurityCode(
+            ASCIIToUTF16(kInvalidCreditCardSecurityCode[i])));
+  }
+}
+