[Autofill] Credit Card validation for rAc.

chrome/browser/autofill/validation_unittest.cc

Index: chrome/browser/autofill/validation_unittest.cc
diff --git a/chrome/browser/autofill/validation_unittest.cc b/chrome/browser/autofill/validation_unittest.cc
index bb94a0fcc07796f9befdeed660c5e2eea9ccba6d..6e67b86161b4ec997a573e0d3eb7910f75f3a5a5 100644
--- a/chrome/browser/autofill/validation_unittest.cc
+++ b/chrome/browser/autofill/validation_unittest.cc
@@ -34,7 +34,15 @@ const char* const kInvalidNumbers[] = {
   "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) {
@@ -49,3 +57,19 @@ TEST(AutofillValidation, IsValidCreditCardNumber) {
         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])));
+  }
+}
+