1 files changed, 23 insertions, 0 deletions
diff --git a/test/lua/unit/utf.lua b/test/lua/unit/utf.lua
new file mode 100644
index 000000000..2549c501c
--- /dev/null
+++ b/test/lua/unit/utf.lua
@@ -0,0 +1,23 @@
+-- Test utf routines
+
+context("UTF8 check functions", function()
+  local ffi = require("ffi")
+  ffi.cdef[[
+    void rspamd_str_lc_utf8 (char *str, unsigned int size);
+  ]]
+
+  test("UTF lowercase", function()
+    local cases = {
+      {"АбЫрвАлг", "абырвалг"},
+      {"АAБBвc", "аaбbвc"}
+    }
+    
+    for _,c in ipairs(cases) do
+      local buf = ffi.new("char[?]", #c[1])
+      ffi.copy(buf, c[1])
+      ffi.C.rspamd_str_lc_utf8(buf, #c[1])
+      local s = ffi.string(buf)
+      assert_equal(s, c[2])
+    end
+  end)
+end)
+\ No newline at end of file