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Fix string-convert tests for Windows and hopefully macOS/OS X

Tests requires a locale installed on the host that uses a comma as the decimal
mark/point.
This commit is contained in:
Tim Mayberry 2017-04-17 13:16:12 +10:00
parent c6747c9325
commit 272e02b6c8
2 changed files with 125 additions and 40 deletions

View File

@ -17,29 +17,6 @@ using namespace std;
CPPUNIT_TEST_SUITE_REGISTRATION (StringConvertTest);
static std::vector<std::string> get_test_locales ()
{
std::vector<std::string> locales;
#ifdef PLATFORM_WINDOWS
locales.push_back("French_France.1252"); // must be first
locales.push_back("Dutch_Netherlands.1252");
locales.push_back("Italian_Italy.1252");
locales.push_back("Farsi_Iran.1256");
locales.push_back("Chinese_China.936");
locales.push_back("Czech_Czech Republic.1250");
#else
locales.push_back("fr_FR"); // French France // must be first
locales.push_back("nl_NL"); // Dutch - Netherlands
locales.push_back("it_IT"); // Italian
locales.push_back("fa_IR"); // Farsi Iran
locales.push_back("zh_CN"); // Chinese
locales.push_back("cs_CZ"); // Czech
#endif
return locales;
}
namespace {
class LocaleGuard {
@ -54,9 +31,11 @@ public:
const char* new_locale = setlocale (LC_ALL, locale.c_str ());
CPPUNIT_ASSERT (new_locale != NULL);
if (new_locale == NULL) {
std::cerr << "Failed to set locale to : " << locale << std::endl;
}
CPPUNIT_ASSERT (locale == new_locale);
CPPUNIT_ASSERT (new_locale != NULL);
}
~LocaleGuard ()
@ -68,8 +47,117 @@ private:
const char* m_previous_locale;
};
static
bool
check_decimal_mark_is_comma ()
{
char buf[32];
double const dnum = 12345.67890;
snprintf (buf, sizeof(buf), "%.12g", dnum);
bool found = (strchr (buf, ',') != NULL);
return found;
}
static std::vector<std::string> get_locale_list ()
{
std::vector<std::string> locales;
locales.push_back(""); // User preferred locale
#ifdef PLATFORM_WINDOWS
locales.push_back("French_France.1252"); // must be first
locales.push_back("Dutch_Netherlands.1252");
locales.push_back("Italian_Italy.1252");
locales.push_back("Farsi_Iran.1256");
locales.push_back("Chinese_China.936");
locales.push_back("Czech_Czech Republic.1250");
#else
locales.push_back("fr_FR"); // French France
locales.push_back("fr_FR.UTF-8");
locales.push_back("de_DE"); // German Germany
locales.push_back("de_DE.UTF-8");
locales.push_back("nl_NL"); // Dutch - Netherlands
locales.push_back("nl_NL.UTF-8");
locales.push_back("it_IT"); // Italian
locales.push_back("fa_IR"); // Farsi Iran
locales.push_back("zh_CN"); // Chinese
locales.push_back("cs_CZ"); // Czech
#endif
return locales;
}
static std::vector<std::string> get_supported_locales ()
{
std::vector<std::string> locales = get_locale_list ();
std::vector<std::string> supported_locales;
const char * m_orig_locale = setlocale (LC_ALL, NULL);
CPPUNIT_ASSERT (m_orig_locale != NULL);
std::cerr << std::endl << "Original locale: " << m_orig_locale << std::endl;
for (std::vector<std::string>::const_iterator it = locales.begin(); it != locales.end(); ++it) {
const char* locale = it->c_str();
const char* new_locale = setlocale (LC_ALL, locale);
if (new_locale == NULL) {
std::cerr << "Unable to set locale : " << locale << ", may not be installed." << std::endl;
continue;
}
if (*it != new_locale) {
// Setting the locale may be successful but locale has a different
// (or longer) name.
if (it->empty()) {
std::cerr << "User preferred locale is : " << new_locale << std::endl;
} else {
std::cerr << "locale : " << locale << ", has name : " << new_locale << std::endl;
}
}
std::cerr << "Adding locale : " << new_locale << " to test locales" << std::endl;
supported_locales.push_back (*it);
}
if (setlocale (LC_ALL, m_orig_locale) == NULL) {
std::cerr << "ERROR: Unable to restore original locale " << m_orig_locale
<< ", further tests may be invalid." << std::endl;
}
return supported_locales;
}
static std::vector<std::string> get_test_locales ()
{
static std::vector<std::string> locales = get_supported_locales ();
return locales;
}
static bool get_locale_with_comma_decimal_mark (std::string& locale_str) {
std::vector<std::string> locales = get_test_locales ();
for (std::vector<std::string>::const_iterator it = locales.begin(); it != locales.end(); ++it) {
LocaleGuard guard (*it);
if (check_decimal_mark_is_comma ()) {
locale_str = *it;
return true;
}
}
return false;
}
} // anon namespace
void
StringConvertTest::test_required_locales ()
{
std::string locale_str;
CPPUNIT_ASSERT(get_locale_with_comma_decimal_mark(locale_str));
}
static const std::string MAX_INT16_STR ("32767");
static const std::string MIN_INT16_STR ("-32768");
@ -558,7 +646,7 @@ check_double_convert ()
return (num == string_to<double>(to_string<double> (num)));
}
static const int s_iter_count = 500000;
static const int s_iter_count = 1000000;
void*
check_int_convert_thread(void*)
@ -589,20 +677,11 @@ check_double_convert_thread(void*)
static const double s_test_double = 31459.265359;
bool
check_fr_printf ()
{
char buf[32];
snprintf (buf, sizeof(buf), "%.12g", s_test_double);
bool found = (strchr (buf, ',') != NULL);
return found;
}
void*
check_fr_printf_thread (void*)
check_decimal_mark_is_comma_thread (void*)
{
for (int n = 0; n < s_iter_count; n++) {
assert (check_fr_printf ());
assert (check_decimal_mark_is_comma ());
}
return NULL;
@ -617,12 +696,16 @@ check_fr_printf_thread (void*)
void
StringConvertTest::test_convert_thread_safety ()
{
LocaleGuard guard (get_test_locales().front());
std::string locale_str;
CPPUNIT_ASSERT(get_locale_with_comma_decimal_mark(locale_str));
LocaleGuard guard (locale_str);
CPPUNIT_ASSERT (check_int_convert ());
CPPUNIT_ASSERT (check_float_convert ());
CPPUNIT_ASSERT (check_double_convert ());
CPPUNIT_ASSERT (check_fr_printf ());
CPPUNIT_ASSERT (check_decimal_mark_is_comma ());
pthread_t convert_int_thread;
pthread_t convert_float_thread;
@ -639,7 +722,7 @@ StringConvertTest::test_convert_thread_safety ()
pthread_create (
&convert_double_thread, NULL, check_double_convert_thread, NULL) == 0);
CPPUNIT_ASSERT (
pthread_create (&fr_printf_thread, NULL, check_fr_printf_thread, NULL) ==
pthread_create (&fr_printf_thread, NULL, check_decimal_mark_is_comma_thread, NULL) ==
0);
void* return_value;

View File

@ -4,6 +4,7 @@
class StringConvertTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE (StringConvertTest);
CPPUNIT_TEST (test_required_locales);
CPPUNIT_TEST (test_int16_conversion);
CPPUNIT_TEST (test_uint16_conversion);
CPPUNIT_TEST (test_int32_conversion);
@ -17,6 +18,7 @@ class StringConvertTest : public CppUnit::TestFixture
CPPUNIT_TEST_SUITE_END ();
public:
void test_required_locales ();
void test_int16_conversion ();
void test_uint16_conversion ();
void test_int32_conversion ();