1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
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30
31 // Author: kenton@google.com (Kenton Varda)
32
33 #include <google/protobuf/stubs/strutil.h>
34
35 #include <google/protobuf/testing/googletest.h>
36 #include <gtest/gtest.h>
37 #include <locale.h>
38
39 namespace google {
40 namespace protobuf {
41 namespace {
42
43 // TODO(kenton): Copy strutil tests from google3?
44
TEST(StringUtilityTest,ImmuneToLocales)45 TEST(StringUtilityTest, ImmuneToLocales) {
46 // Remember the old locale.
47 char* old_locale_cstr = setlocale(LC_NUMERIC, NULL);
48 ASSERT_TRUE(old_locale_cstr != NULL);
49 string old_locale = old_locale_cstr;
50
51 // Set the locale to "C".
52 ASSERT_TRUE(setlocale(LC_NUMERIC, "C") != NULL);
53
54 EXPECT_EQ("1.5", SimpleDtoa(1.5));
55 EXPECT_EQ("1.5", SimpleFtoa(1.5));
56
57 if (setlocale(LC_NUMERIC, "es_ES") == NULL &&
58 setlocale(LC_NUMERIC, "es_ES.utf8") == NULL) {
59 // Some systems may not have the desired locale available.
60 GOOGLE_LOG(WARNING)
61 << "Couldn't set locale to es_ES. Skipping this test.";
62 } else {
63 EXPECT_EQ("1.5", SimpleDtoa(1.5));
64 EXPECT_EQ("1.5", SimpleFtoa(1.5));
65 }
66
67 // Return to original locale.
68 setlocale(LC_NUMERIC, old_locale.c_str());
69 }
70
71 } // anonymous namespace
72 } // namespace protobuf
73 } // namespace google
74