Get user preferred languages on 1st startup and use them for text dislpaying

@TODO windows implementation

1 files changed, 36 insertions, 0 deletions

diff --git a/platform/platform_tests/language_test.cpp b/platform/platform_tests/language_test.cpp
new file mode 100644
index 0000000000..012f12cb98
--- /dev/null
+++ b/platform/platform_tests/language_test.cpp
@@ -0,0 +1,36 @@
+#include "../../testing/testing.hpp"
+
+#include "../../std/string.hpp"
+#include "../../std/vector.hpp"
+
+namespace languages
+{
+  void FilterLanguages(vector<string> & langs);
+}
+
+UNIT_TEST(LangFilter)
+{
+  vector<string> v;
+  v.push_back("en");
+  v.push_back("en-GB");
+  v.push_back("zh");
+  v.push_back("es-SP");
+  v.push_back("zh-penyn");
+  v.push_back("en-US");
+  v.push_back("ru_RU");
+  v.push_back("es");
+
+  languages::FilterLanguages(v);
+
+  vector<string> c;
+  c.push_back("en");
+  c.push_back("zh");
+  c.push_back("es");
+  c.push_back("ru");
+
+  TEST_EQUAL(v.size(), c.size(), (v, c));
+  for (size_t i = 0; i < c.size(); ++i)
+  {
+    TEST_EQUAL(c[i], v[i], (v, c));
+  }
+}