Support named months for Autofill implicit learning

chrome/browser/autofill/credit_card_unittest.cc

 // Copyright (c) 2011 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/basictypes.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/autofill_common_test.h"
 #include "chrome/browser/autofill/credit_card.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 116 matching lines @@
 
 // Verify that we preserve exactly what the user typed for credit card numbers.
 TEST(CreditCardTest, SetInfoCreditCardNumber) {
   CreditCard card;
 
   autofill_test::SetCreditCardInfo(&card, "Bob Dylan",
                                    "4321-5432-6543-xxxx", "07", "2013");
   EXPECT_EQ(ASCIIToUTF16("4321-5432-6543-xxxx"),
             card.GetInfo(CREDIT_CARD_NUMBER));
 }
+
+// Verify that we can handle both numeric and named months.
+TEST(CreditCardTest, SetInfoExpirationMonth) {
+  CreditCard card;
+
+  card.SetInfo(CREDIT_CARD_EXP_MONTH, ASCIIToUTF16("05"));
+  EXPECT_EQ(ASCIIToUTF16("05"), card.GetInfo(CREDIT_CARD_EXP_MONTH));
+
+  card.SetInfo(CREDIT_CARD_EXP_MONTH, ASCIIToUTF16("7"));
+  EXPECT_EQ(ASCIIToUTF16("07"), card.GetInfo(CREDIT_CARD_EXP_MONTH));
+
+  card.SetInfo(CREDIT_CARD_EXP_MONTH, ASCIIToUTF16("January"));
+  EXPECT_EQ(ASCIIToUTF16("01"), card.GetInfo(CREDIT_CARD_EXP_MONTH));
+
+  card.SetInfo(CREDIT_CARD_EXP_MONTH, ASCIIToUTF16("Apr"));
+  EXPECT_EQ(ASCIIToUTF16("04"), card.GetInfo(CREDIT_CARD_EXP_MONTH));
+}