+ YAZ_CHECK_EQ(icu_chain_token_number(chain), 3);
+
+ icu_chain_destroy(chain);
+}
+
+
+
+void test_chain_empty_token(void)
+{
+ UErrorCode status = U_ZERO_ERROR;
+ struct icu_chain * chain = 0;
+
+ const char * xml_str = "<icu>"
+ "<tokenize rule=\"w\"/>"
+ "<normalize rule=\"[[:WhiteSpace:][:Punctuation:]] Remove\"/>"
+ "</icu>";
+
+ xmlDoc *doc = xmlParseMemory(xml_str, strlen(xml_str));
+ xmlNode *xml_node = xmlDocGetRootElement(doc);
+ YAZ_CHECK(xml_node);
+
+ chain = icu_chain_xml_config(xml_node, (uint8_t *) "en", 0, &status);
+
+ xmlFreeDoc(doc);
+ YAZ_CHECK(chain);
+
+ YAZ_CHECK(icu_chain_assign_cstr(
+ chain, "a string with 15 tokenss and 8 displays",
+ &status));
+
+ while (icu_chain_next_token(chain, &status)){
+ ;
+ /* printf("%d '%s' '%s'\n",
+ icu_chain_token_number(chain),
+ icu_chain_token_norm(chain),
+ icu_chain_token_display(chain)); */
+ }
+
+ YAZ_CHECK_EQ(icu_chain_token_number(chain), 15);
+
+ icu_chain_destroy(chain);
+}
+
+void test_chain_empty_chain(void)
+{
+ UErrorCode status = U_ZERO_ERROR;
+ struct icu_chain * chain = 0;
+
+ const char * xml_str = "<icu>"
+ "</icu>";
+
+ const char * src8 = "some 5487 weired !ยค%&(/& sTuFf";
+ char * dest8 = 0;
+
+ xmlDoc *doc = xmlParseMemory(xml_str, strlen(xml_str));
+ xmlNode *xml_node = xmlDocGetRootElement(doc);
+ YAZ_CHECK(xml_node);
+
+ chain = icu_chain_xml_config(xml_node, (uint8_t *) "en", 0, &status);
+
+ xmlFreeDoc(doc);
+ YAZ_CHECK(chain);
+
+ YAZ_CHECK(icu_chain_assign_cstr(
+ chain, src8,
+ &status));
+
+ while (icu_chain_next_token(chain, &status)){
+ ;
+ /* printf("%d '%s' '%s'\n",
+ icu_chain_token_number(chain),
+ icu_chain_token_norm(chain),
+ icu_chain_token_display(chain)); */
+ }
+
+ YAZ_CHECK_EQ(icu_chain_token_number(chain), 1);
+
+ dest8 = (char *) icu_chain_token_norm(chain);
+ YAZ_CHECK_EQ(strcmp(src8, dest8), 0);
+