+static void test_utf16_to_utf8(void) {
+ char *a = NULL;
+ const uint16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
+ const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7, 0 };
+
+ a = utf16_to_utf8(utf16, 14);
+ assert_se(a);
+ assert_se(streq(a, utf8));
+
+ free(a);
+}
+