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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// 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.
// Author: kenton@google.com (Kenton Varda)
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
namespace {
// TODO(kenton): Copy strutil tests from google3?
TEST(StringUtilityTest, ImmuneToLocales) {
// Remember the old locale.
char* old_locale_cstr = setlocale(LC_NUMERIC, NULL);
ASSERT_TRUE(old_locale_cstr != NULL);
string old_locale = old_locale_cstr;
// Set the locale to "C".
ASSERT_TRUE(setlocale(LC_NUMERIC, "C") != NULL);
EXPECT_EQ(1.5, NoLocaleStrtod("1.5", NULL));
EXPECT_EQ("1.5", SimpleDtoa(1.5));
EXPECT_EQ("1.5", SimpleFtoa(1.5));
// Verify that the endptr is set correctly even if not all text was parsed.
const char* text = "1.5f";
char* endptr;
EXPECT_EQ(1.5, NoLocaleStrtod(text, &endptr));
EXPECT_EQ(3, endptr - text);
if (setlocale(LC_NUMERIC, "es_ES") == NULL &&
setlocale(LC_NUMERIC, "es_ES.utf8") == NULL) {
// Some systems may not have the desired locale available.
GOOGLE_LOG(WARNING)
<< "Couldn't set locale to es_ES. Skipping this test.";
} else {
EXPECT_EQ(1.5, NoLocaleStrtod("1.5", NULL));
EXPECT_EQ("1.5", SimpleDtoa(1.5));
EXPECT_EQ("1.5", SimpleFtoa(1.5));
EXPECT_EQ(1.5, NoLocaleStrtod(text, &endptr));
EXPECT_EQ(3, endptr - text);
}
// Return to original locale.
setlocale(LC_NUMERIC, old_locale.c_str());
}
} // anonymous namespace
} // namespace protobuf
} // namespace google
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