[Autofill] Do not show Autocomplete suggestions for credit card fields.

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 "components/autofill/core/browser/autofill_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 676 matching lines @@
   void CheckSuggestions(int expected_page_id,
                         const Suggestion& suggestion0,
                         const Suggestion& suggestion1,
                         const Suggestion& suggestion2) {
     std::vector<Suggestion> suggestion_vector;
     suggestion_vector.push_back(suggestion0);
     suggestion_vector.push_back(suggestion1);
     suggestion_vector.push_back(suggestion2);
     CheckSuggestions(expected_page_id, 3, &suggestion_vector[0]);
   }
-
+  void CheckNoSuggestions(int expected_page_id) {
+    EXPECT_TRUE(on_suggestions_returned_seen());
+    CheckSuggestions(expected_page_id, 0, nullptr);
+  }
 
   bool on_query_seen() const {
     return on_query_seen_;
   }
 
   bool on_suggestions_returned_seen() const {
     return on_suggestions_returned_seen_;
   }
 
  private:
@@ skipping 795 matching lines @@
   // Test that we sent the right values to the external delegate.
   external_delegate_->CheckSuggestions(
       kDefaultPageID,
       Suggestion(
           l10n_util::GetStringUTF8(IDS_AUTOFILL_WARNING_INSECURE_CONNECTION),
           "", "", -1));
 
   // Clear the test credit cards and try again -- we shouldn't return a warning.
   personal_data_.ClearCreditCards();
   GetAutofillSuggestions(form, field);
-  EXPECT_FALSE(external_delegate_->on_suggestions_returned_seen());
+  external_delegate_->CheckNoSuggestions(kDefaultPageID);
 }
 
 // Test that we return all credit card suggestions in the case that two cards
 // have the same obfuscated number.
 TEST_F(AutofillManagerTest, GetCreditCardSuggestionsRepeatedObfuscatedNumber) {
   // Add a credit card with the same obfuscated number as Elvis's.
   // |credit_card| will be owned by the mock PersonalDataManager.
   CreditCard* credit_card = new CreditCard;
   test::SetCreditCardInfo(credit_card, "Elvis Presley",
                           "5231567890123456",  // Mastercard
@@ skipping 87 matching lines @@
   // Test that we sent the right values to the external delegate.
   external_delegate_->CheckSuggestions(
       kPageID2,
       Suggestion(
           l10n_util::GetStringUTF8(IDS_AUTOFILL_WARNING_INSECURE_CONNECTION),
           "", "", -1));
 
   // Clear the test credit cards and try again -- we shouldn't return a warning.
   personal_data_.ClearCreditCards();
   GetAutofillSuggestions(form, field);
-  EXPECT_FALSE(external_delegate_->on_suggestions_returned_seen());
+  external_delegate_->CheckNoSuggestions(kDefaultPageID);
 }
 
 // Test that we return autocomplete-like suggestions when trying to autofill
 // already filled forms.
 TEST_F(AutofillManagerTest, GetFieldSuggestionsWhenFormIsAutofilled) {
   // Set up our form data.
   FormData form;
   test::CreateTestAddressFormData(&form);
   std::vector<FormData> forms(1, form);
   FormsSeen(forms);
@@ skipping 1432 matching lines @@
           autofill_manager_->client()));
   MockAutocompleteHistoryManager* m = static_cast<
       MockAutocompleteHistoryManager*>(
           autofill_manager_->autocomplete_history_manager_.get());
   EXPECT_CALL(*m,
       OnGetAutocompleteSuggestions(_, _, _, _));
 
   GetAutofillSuggestions(form, field);
 }
 
+// Test that when Autofill is disabled and the field is a credit card field,
+// autocomplete is not queried for suggestions.
+TEST_F(AutofillManagerTest,
+       AutocompleteSuggestions_CreditCardFieldShouldNotAutocomplete) {
+  TestAutofillClient client;
+  autofill_manager_.reset(
+      new TestAutofillManager(autofill_driver_.get(), &client, NULL));
+  autofill_manager_->set_autofill_enabled(false);
+  autofill_manager_->SetExternalDelegate(external_delegate_.get());
+
+  // Set up our form data.
+  FormData form;
+  CreateTestCreditCardFormData(&form, false, false);
+  std::vector<FormData> forms(1, form);
+  FormsSeen(forms);
+  FormFieldData field = form.fields[0];
+  field.should_autocomplete = true;
+
+  // Autocomplete manager is not called for suggestions.
+  autofill_manager_->autocomplete_history_manager_.reset(
+      new MockAutocompleteHistoryManager(autofill_driver_.get(), &client));
+  MockAutocompleteHistoryManager* m =
+      static_cast<MockAutocompleteHistoryManager*>(
+          autofill_manager_->autocomplete_history_manager_.get());
+  EXPECT_CALL(*m, OnGetAutocompleteSuggestions(_, _, _, _)).Times(0);
+
+  GetAutofillSuggestions(form, field);
+}
+
 // Test that we do not query for Autocomplete suggestions when there are no
 // Autofill suggestions available, and that the field should not autocomplete.
 TEST_F(
     AutofillManagerTest,
     AutocompleteSuggestions_NoneWhenAutofillEmptyFieldShouldNotAutocomplete) {
   // Set up our form data.
   FormData form;
   test::CreateTestAddressFormData(&form);
   std::vector<FormData> forms(1, form);
   FormsSeen(forms);
@@ skipping 1700 matching lines @@
   // Set up our form data.
   FormData form;
   CreateTestCreditCardFormData(&form, true, false);
   std::vector<FormData> forms(1, form);
   FormsSeen(forms);
 
   FormFieldData field;
   test::CreateTestFormField("Name on Card", "nameoncard", "lvis", "text",
                             &field);
   GetAutofillSuggestions(form, field);
-  EXPECT_FALSE(external_delegate_->on_suggestions_returned_seen());
+  external_delegate_->CheckNoSuggestions(kDefaultPageID);
 }
 
 // Verify that typing "S" into the middle name field will match and order middle
 // names "Shawn Smith" followed by "Adam Smith" i.e. prefix matched followed by
 // substring matched.
 TEST_F(AutofillManagerTest,
        DisplaySuggestionsWithPrefixesPrecedeSubstringMatched) {
   // Token matching is currently behind a flag.
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableSuggestionsWithSubstringMatch);
@@ skipping 158 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