Autofill i18n: Set postal code and state field labels based on the selected country.

chrome/browser/autofill/autofill_country_unittest.cc

Index: chrome/browser/autofill/autofill_country_unittest.cc
diff --git a/chrome/browser/autofill/autofill_country_unittest.cc b/chrome/browser/autofill/autofill_country_unittest.cc
new file mode 100644
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+++ b/chrome/browser/autofill/autofill_country_unittest.cc
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+// 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 <string>
+
+#include "base/string16.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/autofill/autofill_country.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Test the constructor and accessors
+TEST(AutoFillCountryTest, AutoFillCountry) {
+  AutoFillCountry united_states_en("US", "en_US");
+  EXPECT_EQ("US", united_states_en.country_code());
+  EXPECT_EQ(ASCIIToUTF16("United States"), united_states_en.name());
+  EXPECT_EQ(ASCIIToUTF16("Zip code"), united_states_en.postal_code_label());
+  EXPECT_EQ(ASCIIToUTF16("State"), united_states_en.state_label());
+
+  AutoFillCountry united_states_es("US", "es");
+  EXPECT_EQ("US", united_states_es.country_code());
+  EXPECT_EQ(ASCIIToUTF16("Estados Unidos"), united_states_es.name());
+
+  AutoFillCountry canada_en("CA", "en_US");
+  EXPECT_EQ("CA", canada_en.country_code());
+  EXPECT_EQ(ASCIIToUTF16("Canada"), canada_en.name());
+  EXPECT_EQ(ASCIIToUTF16("Postal code"), canada_en.postal_code_label());
+  EXPECT_EQ(ASCIIToUTF16("Province"), canada_en.state_label());
+
+  AutoFillCountry canada_hu("CA", "hu");
+  EXPECT_EQ("CA", canada_hu.country_code());
+  EXPECT_EQ(ASCIIToUTF16("Kanada"), canada_hu.name());
+}
+
+// Test locale to country code mapping.
+TEST(AutoFillCountryTest, CountryCodeForLocale) {
+  EXPECT_EQ("US", AutoFillCountry::CountryCodeForLocale("en_US"));
+  EXPECT_EQ("CA", AutoFillCountry::CountryCodeForLocale("fr_CA"));
+  EXPECT_EQ("FR", AutoFillCountry::CountryCodeForLocale("fr"));
+  EXPECT_EQ("US", AutoFillCountry::CountryCodeForLocale("Unknown"));
+}
+
+// Test mapping of localized country names to country codes.
+TEST(AutoFillCountryTest, GetCountryCode) {
+  // Basic mapping
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("United States"),
+                                                  "en_US"));
+  EXPECT_EQ("CA", AutoFillCountry::GetCountryCode(ASCIIToUTF16("Canada"),
+                                                  "en_US"));
+
+  // Case-insensitive mapping
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("united states"),
+                                                  "en_US"));
+
+  // Country codes should map to themselves, independent of locale.
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("US"), "en_US"));
+  EXPECT_EQ("HU", AutoFillCountry::GetCountryCode(ASCIIToUTF16("hu"), "en_US"));
+  EXPECT_EQ("CA", AutoFillCountry::GetCountryCode(ASCIIToUTF16("CA"), "fr_CA"));
+  EXPECT_EQ("MX", AutoFillCountry::GetCountryCode(ASCIIToUTF16("mx"), "fr_CA"));
+
+  // Basic synonyms
+  EXPECT_EQ("US",
+            AutoFillCountry::GetCountryCode(
+                ASCIIToUTF16("United States of America"), "en_US"));
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("USA"),
+                                                  "en_US"));
+
+  // Other locales
+  EXPECT_EQ("US",
+            AutoFillCountry::GetCountryCode(ASCIIToUTF16("Estados Unidos"),
+                                            "es"));
+  EXPECT_EQ("IT", AutoFillCountry::GetCountryCode(ASCIIToUTF16("Italia"),
+                                                  "it"));
+  EXPECT_EQ("DE", AutoFillCountry::GetCountryCode(ASCIIToUTF16("duitsland"),
+                                                  "nl"));
+
+  // Should fall back to "en_US" locale if all else fails.
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("United States"),
+                                                  "es"));
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("united states"),
+                                                  "es"));
+  EXPECT_EQ("US", AutoFillCountry::GetCountryCode(ASCIIToUTF16("USA"), "es"));
+}