Reland of "Use address_data.h from upstream libaddressinput".

third_party/libaddressinput/chromium/cpp/test/address_metadata_test.cc

+// Copyright (C) 2014 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <libaddressinput/address_metadata.h>
+
+#include <libaddressinput/address_field.h>
+
+#include <gtest/gtest.h>
+
+namespace {
+
+using i18n::addressinput::COUNTRY;
+using i18n::addressinput::ADMIN_AREA;
+using i18n::addressinput::DEPENDENT_LOCALITY;
+
+using i18n::addressinput::IsFieldRequired;
+using i18n::addressinput::IsFieldUsed;
+
+TEST(AddressMetadataTest, IsFieldRequiredCountry) {
+  EXPECT_TRUE(IsFieldRequired(COUNTRY, "US"));
+  EXPECT_TRUE(IsFieldRequired(COUNTRY, "CH"));
+  EXPECT_TRUE(IsFieldRequired(COUNTRY, "rrr"));
+}
+
+TEST(AddressMetadataTest, IsUsedRequiredCountry) {
+  EXPECT_TRUE(IsFieldUsed(COUNTRY, "US"));
+  EXPECT_TRUE(IsFieldUsed(COUNTRY, "CH"));
+  EXPECT_TRUE(IsFieldUsed(COUNTRY, "rrr"));
+}
+
+TEST(AddressMetadataTest, IsFieldRequiredAdminAreaUS) {
+  EXPECT_TRUE(IsFieldRequired(ADMIN_AREA, "US"));
+}
+
+TEST(AddressMetadataTest, IsFieldRequiredAdminAreaAT) {
+  EXPECT_FALSE(IsFieldRequired(ADMIN_AREA, "AT"));
+}
+
+TEST(AddressMetadataTest, IsFieldRequiredAdminAreaSU) {
+  // Unsupported region.
+  EXPECT_FALSE(IsFieldRequired(ADMIN_AREA, "SU"));
+}
+
+TEST(AddressMetadataTest, IsFieldUsedDependentLocalityUS) {
+  EXPECT_FALSE(IsFieldUsed(DEPENDENT_LOCALITY, "US"));
+}
+
+TEST(AddressMetadataTest, IsFieldUsedDependentLocalityCN) {
+  EXPECT_TRUE(IsFieldUsed(DEPENDENT_LOCALITY, "CN"));
+}
+
+TEST(AddressMetadataTest, IsFieldUsedDependentLocalitySU) {
+  // Unsupported region.
+  EXPECT_FALSE(IsFieldUsed(DEPENDENT_LOCALITY, "SU"));
+}
+
+}  // namespace