basic test for tolower function.

src/test_eressea.c

@@ -35,6 +35,7 @@ int RunAllTests(void)
   ADD_TESTS(suite, bsdstring);
   ADD_TESTS(suite, functions);
   ADD_TESTS(suite, umlaut);
+  ADD_TESTS(suite, unicode);
   ADD_TESTS(suite, strings);
   /* kernel */
   ADD_TESTS(suite, unit);

src/util/CMakeLists.txt

@@ -7,6 +7,7 @@ strings.test.c
 bsdstring.test.c
 functions.test.c
 umlaut.test.c
+unicode.test.c
 )
 
 SET(_FILES

src/util/unicode.test.c

@@ -0,0 +1,23 @@
+#include <CuTest.h>
+#include "unicode.h"
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+static void test_unicode_tolower(CuTest * tc)
+{
+    char buffer[32];
+    CuAssertIntEquals(tc, 0, unicode_utf8_tolower(buffer, sizeof(buffer), "HeLlO W0Rld"));
+    CuAssertStrEquals(tc, "hello w0rld", buffer);
+    memset(buffer, 0, sizeof(buffer));
+    buffer[5]='X';
+    CuAssertIntEquals(tc, ENOMEM, unicode_utf8_tolower(buffer, 5, "HeLlO W0Rld"));
+    CuAssertStrEquals(tc, "helloX", buffer);
+}
+
+CuSuite *get_unicode_suite(void)
+{
+  CuSuite *suite = CuSuiteNew();
+  SUITE_ADD_TEST(suite, test_unicode_tolower);
+  return suite;
+}