[Autofill] Sanitize the credit card field value before matching against user data.

components/autofill/core/browser/autofill_manager_unittest.cc

 // Copyright 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 <stddef.h>
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 1294 matching lines @@
   // Disable Autofill.
   autofill_manager_->set_autofill_enabled(false);
 
   const FormFieldData& field = form.fields[0];
   GetAutofillSuggestions(form, field);
   EXPECT_FALSE(external_delegate_->on_suggestions_returned_seen());
 }
 
 // Test that we return all credit card profile suggestions when all form fields
 // are empty.
-TEST_F(AutofillManagerTest, GetCreditCardSuggestionsEmptyValue) {
+TEST_F(AutofillManagerTest, GetCreditCardSuggestions_EmptyValue) {
   // Set up our form data.
   FormData form;
   CreateTestCreditCardFormData(&form, true, false);
   std::vector<FormData> forms(1, form);
   FormsSeen(forms);
 
   FormFieldData field = form.fields[1];
   GetAutofillSuggestions(form, field);
 
   // Test that we sent the right values to the external delegate.
   external_delegate_->CheckSuggestions(
       kDefaultPageID,
       Suggestion(
           "Visa\xC2\xA0\xE2\x8B\xAF"
           "3456",
           "04/12", kVisaCard, autofill_manager_->GetPackedCreditCardID(4)),
       Suggestion(
           "MasterCard\xC2\xA0\xE2\x8B\xAF"
           "8765",
           "10/14", kMasterCard, autofill_manager_->GetPackedCreditCardID(5)));
 }
 
+// Test that we return all credit card profile suggestions when the triggering
+// field has whitespace in it.
+TEST_F(AutofillManagerTest, GetCreditCardSuggestions_Whitespace) {
+  // Set up our form data.
+  FormData form;
+  CreateTestCreditCardFormData(&form, true, false);
+  std::vector<FormData> forms(1, form);
+  FormsSeen(forms);
+
+  FormFieldData field = form.fields[1];
+  field.value = ASCIIToUTF16("       ");
+  GetAutofillSuggestions(form, field);
+
+  // Test that we sent the right values to the external delegate.
+  external_delegate_->CheckSuggestions(
+      kDefaultPageID, Suggestion("Visa\xC2\xA0\xE2\x8B\xAF"
+                                 "3456",
+                                 "04/12", kVisaCard,
+                                 autofill_manager_->GetPackedCreditCardID(4)),
+      Suggestion("MasterCard\xC2\xA0\xE2\x8B\xAF"
+                 "8765",
+                 "10/14", kMasterCard,
+                 autofill_manager_->GetPackedCreditCardID(5)));
+}
+
+// Test that we return all credit card profile suggestions when the triggering
+// field has stop characters in it, which should be removed.
+TEST_F(AutofillManagerTest, GetCreditCardSuggestions_StopCharsOnly) {
+  // Set up our form data.
+  FormData form;
+  CreateTestCreditCardFormData(&form, true, false);
+  std::vector<FormData> forms(1, form);
+  FormsSeen(forms);
+
+  FormFieldData field = form.fields[1];
+  field.value = ASCIIToUTF16("____-____-____-____");
+  GetAutofillSuggestions(form, field);
+
+  // Test that we sent the right values to the external delegate.
+  external_delegate_->CheckSuggestions(
+      kDefaultPageID, Suggestion("Visa\xC2\xA0\xE2\x8B\xAF"
+                                 "3456",
+                                 "04/12", kVisaCard,
+                                 autofill_manager_->GetPackedCreditCardID(4)),
+      Suggestion("MasterCard\xC2\xA0\xE2\x8B\xAF"
+                 "8765",
+                 "10/14", kMasterCard,
+                 autofill_manager_->GetPackedCreditCardID(5)));
+}
+
+// Test that we return all credit card profile suggestions when the triggering
+// field has stop characters in it and some input.
+TEST_F(AutofillManagerTest, GetCreditCardSuggestions_StopCharsWithInput) {
+  // Add a credit card with particular numbers that we will attempt to recall.
+  CreditCard* credit_card = new CreditCard;
+  test::SetCreditCardInfo(credit_card, "John Smith",
+                          "5255667890123123",  // Mastercard
+                          "08", "2017");
+  credit_card->set_guid("00000000-0000-0000-0000-000000000007");
+  autofill_manager_->AddCreditCard(credit_card);
+
+  // Set up our form data.
+  FormData form;
+  CreateTestCreditCardFormData(&form, true, false);
+  std::vector<FormData> forms(1, form);
+  FormsSeen(forms);
+
+  FormFieldData field = form.fields[1];
+
+  field.value = ASCIIToUTF16("5255-66__-____-____");
+  GetAutofillSuggestions(form, field);
+
+  // Test that we sent the right value to the external delegate.
+  external_delegate_->CheckSuggestions(
+      kDefaultPageID, Suggestion("MasterCard\xC2\xA0\xE2\x8B\xAF"
+                                 "3123",
+                                 "08/17", kMasterCard,
+                                 autofill_manager_->GetPackedCreditCardID(7)));
+}
+
 // Test that we return only matching credit card profile suggestions when the
 // selected form field has been partially filled out.
 TEST_F(AutofillManagerTest, GetCreditCardSuggestionsMatchCharacter) {
   // Set up our form data.
   FormData form;
   CreateTestCreditCardFormData(&form, true, false);
   std::vector<FormData> forms(1, form);
   FormsSeen(forms);
 
   FormFieldData field;
@@ skipping 2863 matching lines @@
   FormsSeen(mixed_forms);
 
   // Suggestions should always be displayed.
   for (const FormFieldData& field : mixed_form.fields) {
     GetAutofillSuggestions(mixed_form, field);
     EXPECT_TRUE(external_delegate_->on_suggestions_returned_seen());
   }
 }
 
 }  // namespace autofill