+
+/* Last args are format string and parameters for xbt_test_add */
+#define mytest_diff(s1, s2, diff, ...) \
+ do { \
+ char *mytest_diff_res; \
+ xbt_test_add(__VA_ARGS__); \
+ mytest_diff_res = xbt_str_diff(s1, s2); \
+ xbt_test_assert(!strcmp(mytest_diff_res, diff), \
+ "Wrong output:\n--- got:\n%s\n--- expected:\n%s\n---", \
+ mytest_diff_res, diff); \
+ free(mytest_diff_res); \
+ } while (0)
+
+XBT_TEST_UNIT("xbt_str_diff", test_diff, "test the function xbt_str_diff")
+{
+ unsigned i;
+
+ /* Trivial cases */
+ mytest_diff("a", "a", " a", "1 word, no difference");
+ mytest_diff("a", "A", "- a\n+ A", "1 word, different");
+ mytest_diff("a\n", "a\n", " a", "1 line, no difference");
+ mytest_diff("a\n", "A\n", "- a\n+ A", "1 line, different");
+
+ /* Empty strings */
+ mytest_diff("", "", "", "empty strings");
+ mytest_diff("", "a", "+ a", "1 word, added");
+ mytest_diff("a", "", "- a", "1 word, removed");
+ mytest_diff("", "a\n", "+ a", "1 line, added");
+ mytest_diff("a\n", "", "- a", "1 line, removed");
+ mytest_diff("", "a\nb\nc\n", "+ a\n+ b\n+ c", "4 lines, all added");
+ mytest_diff("a\nb\nc\n", "", "- a\n- b\n- c", "4 lines, all removed");
+
+ /* Empty lines */
+ mytest_diff("\n", "\n", " ", "empty lines");
+ mytest_diff("", "\n", "+ ", "empty line, added");
+ mytest_diff("\n", "", "- ", "empty line, removed");
+
+ mytest_diff("a", "\na", "+ \n a", "empty line added before word");
+ mytest_diff("a", "a\n\n", " a\n+ ", "empty line added after word");
+ mytest_diff("\na", "a", "- \n a", "empty line removed before word");
+ mytest_diff("a\n\n", "a", " a\n- ", "empty line removed after word");
+
+ mytest_diff("a\n", "\na\n", "+ \n a", "empty line added before line");
+ mytest_diff("a\n", "a\n\n", " a\n+ ", "empty line added after line");
+ mytest_diff("\na\n", "a\n", "- \n a", "empty line removed before line");
+ mytest_diff("a\n\n", "a\n", " a\n- ", "empty line removed after line");
+
+ mytest_diff("a\nb\nc\nd\n", "\na\nb\nc\nd\n", "+ \n a\n b\n c\n d",
+ "empty line added before 4 lines");
+ mytest_diff("a\nb\nc\nd\n", "a\nb\nc\nd\n\n", " a\n b\n c\n d\n+ ",
+ "empty line added after 4 lines");
+ mytest_diff("\na\nb\nc\nd\n", "a\nb\nc\nd\n", "- \n a\n b\n c\n d",
+ "empty line removed before 4 lines");
+ mytest_diff("a\nb\nc\nd\n\n", "a\nb\nc\nd\n", " a\n b\n c\n d\n- ",
+ "empty line removed after 4 lines");
+
+ /* Missing newline at the end of one of the strings */
+ mytest_diff("a\n", "a", " a", "1 line, 1 word, no difference");
+ mytest_diff("a", "a\n", " a", "1 word, 1 line, no difference");
+ mytest_diff("a\n", "A", "- a\n+ A", "1 line, 1 word, different");
+ mytest_diff("a", "A\n", "- a\n+ A", "1 word, 1 line, different");
+
+ mytest_diff("a\nb\nc\nd", "a\nb\nc\nd\n", " a\n b\n c\n d",
+ "4 lines, no newline on first");
+ mytest_diff("a\nb\nc\nd\n", "a\nb\nc\nd", " a\n b\n c\n d",
+ "4 lines, no newline on second");
+
+ /* Four lines, all combinations of differences */
+ for (i = 0 ; i < (1U << 4) ; i++) {
+ char d2[4 + 1];
+ char s2[4 * 2 + 1];
+ char res[4 * 8 + 1];
+ char *pd = d2;
+ char *ps = s2;
+ char *pr = res;
+ unsigned j = 0;
+ while (j < 4) {
+ unsigned k;
+ for (/* j */ ; j < 4 && !(i & (1U << j)) ; j++) {
+ *pd++ = "abcd"[j];
+ ps += sprintf(ps, "%c\n", "abcd"[j]);
+ pr += sprintf(pr, " %c\n", "abcd"[j]);
+ }
+ for (k = j ; k < 4 && (i & (1U << k)) ; k++) {
+ *pd++ = "ABCD"[k];
+ ps += sprintf(ps, "%c\n", "ABCD"[k]);
+ pr += sprintf(pr, "- %c\n", "abcd"[k]);
+ }
+ for (/* j */ ; j < k ; j++) {
+ pr += sprintf(pr, "+ %c\n", "ABCD"[j]);
+ }
+ }
+ *pd = '\0';
+ *--pr = '\0'; /* strip last '\n' from expected result */
+ mytest_diff("a\nb\nc\nd\n", s2, res,
+ "compare (abcd) with changed (%s)", d2);
+ }
+
+ /* Subsets of four lines, do not test for empty subset */
+ for (i = 1 ; i < (1U << 4) ; i++) {
+ char d2[4 + 1];
+ char s2[4 * 2 + 1];
+ char res[4 * 8 + 1];
+ char *pd = d2;
+ char *ps = s2;
+ char *pr = res;
+ unsigned j = 0;
+ while (j < 4) {
+ for (/* j */ ; j < 4 && (i & (1U << j)) ; j++) {
+ *pd++ = "abcd"[j];
+ ps += sprintf(ps, "%c\n", "abcd"[j]);
+ pr += sprintf(pr, " %c\n", "abcd"[j]);
+ }
+ for (/* j */; j < 4 && !(i & (1U << j)) ; j++) {
+ pr += sprintf(pr, "- %c\n", "abcd"[j]);
+ }
+ }
+ *pd = '\0';
+ *--pr = '\0'; /* strip last '\n' from expected result */
+ mytest_diff("a\nb\nc\nd\n", s2, res,
+ "compare (abcd) with subset (%s)", d2);
+
+ for (pr = res ; *pr != '\0' ; pr++)
+ if (*pr == '-')
+ *pr = '+';
+ mytest_diff(s2, "a\nb\nc\nd\n", res,
+ "compare subset (%s) with (abcd)", d2);
+ }
+}
+
+#define test_parse_error(function, name, variable, str) \
+ do { \
+ xbt_test_add(name); \
+ TRY { \
+ variable = function(str, "Parse error"); \
+ xbt_test_fail("The test '%s' did not detect the problem",name ); \
+ } CATCH(e) { \
+ if (e.category != arg_error) { \
+ xbt_test_exception(e); \
+ } else { \
+ xbt_ex_free(e); \
+ } \
+ } \
+ } while (0)
+#define test_parse_ok(function, name, variable, str, value) \
+ do { \
+ xbt_test_add(name); \
+ TRY { \
+ variable = function(str, "Parse error"); \
+ } CATCH(e) { \
+ xbt_test_exception(e); \
+ } \
+ xbt_test_assert(variable == value, "Fail to parse '%s'", str); \
+ } while (0)
+
+XBT_TEST_UNIT("xbt_str_parse", test_parse, "Test the parsing functions")
+{
+ xbt_ex_t e;
+ int rint = -9999;
+ test_parse_ok(xbt_str_parse_int, "Parse int", rint, "42", 42);
+ test_parse_ok(xbt_str_parse_int, "Parse 0 as an int", rint, "0", 0);
+ test_parse_ok(xbt_str_parse_int, "Parse -1 as an int", rint, "-1", -1);
+
+ test_parse_error(xbt_str_parse_int, "Parse int + noise", rint, "342 cruft");
+ test_parse_error(xbt_str_parse_int, "Parse NULL as an int", rint, NULL);
+ test_parse_error(xbt_str_parse_int, "Parse '' as an int", rint, "");
+ test_parse_error(xbt_str_parse_int, "Parse cruft as an int", rint, "cruft");
+
+ double rdouble = -9999;
+ test_parse_ok(xbt_str_parse_double, "Parse 42 as a double", rdouble, "42", 42);
+ test_parse_ok(xbt_str_parse_double, "Parse 42.5 as a double", rdouble, "42.5", 42.5);
+ test_parse_ok(xbt_str_parse_double, "Parse 0 as a double", rdouble, "0", 0);
+ test_parse_ok(xbt_str_parse_double, "Parse -1 as a double", rdouble, "-1", -1);
+
+ test_parse_error(xbt_str_parse_double, "Parse double + noise", rdouble, "342 cruft");
+ test_parse_error(xbt_str_parse_double, "Parse NULL as a double", rdouble, NULL);
+ test_parse_error(xbt_str_parse_double, "Parse '' as a double", rdouble, "");
+ test_parse_error(xbt_str_parse_double, "Parse cruft as a double", rdouble, "cruft");
+}
+