22    TEST_REGEX_SEARCH("a|b", perl, "a", match_default, make_array(0, 1, -2, -2));  in test_alt()
23    TEST_REGEX_SEARCH("a|b", perl, "b", match_default, make_array(0, 1, -2, -2));  in test_alt()
24    TEST_REGEX_SEARCH("a|b|c", perl, "c", match_default, make_array(0, 1, -2, -2));  in test_alt()
25    TEST_REGEX_SEARCH("a|(b)|.", perl, "b", match_default, make_array(0, 1, 0, 1, -2, -2));  in test_alt()
26    TEST_REGEX_SEARCH("(a)|b|.", perl, "a", match_default, make_array(0, 1, 0, 1, -2, -2));  in test_alt()
27    TEST_REGEX_SEARCH("a(b|c)", perl, "ab", match_default, make_array(0, 2, 1, 2, -2, -2));  in test_alt()
28    TEST_REGEX_SEARCH("a(b|c)", perl, "ac", match_default, make_array(0, 2, 1, 2, -2, -2));  in test_alt()
29    TEST_REGEX_SEARCH("a(b|c)", perl, "ad", match_default, make_array(-2, -2));  in test_alt()
30    TEST_REGEX_SEARCH("(a|b|c)", perl, "c", match_default, make_array(0, 1, 0, 1, -2, -2));  in test_alt()
31    TEST_REGEX_SEARCH("(a|(b)|.)", perl, "b", match_default, make_array(0, 1, 0, 1, 0, 1, -2, -2));  in test_alt()
32    TEST_INVALID_REGEX("|c", perl|no_empty_expressions);  in test_alt()
33 …TEST_REGEX_SEARCH("|c", perl, " c", match_default, make_array(0, 0, -2, 1, 1, -2, 1, 2, -2, 2, 2, …  in test_alt()
34    TEST_INVALID_REGEX("c|", perl|no_empty_expressions);  in test_alt()
35    TEST_REGEX_SEARCH("c|", perl, " c", match_default, make_array(0, 0, -2, 1, 2, -2, 2, 2, -2, -2));  in test_alt()
36    TEST_INVALID_REGEX("(|)", perl|no_empty_expressions);  in test_alt()
37 …TEST_REGEX_SEARCH("(|)", perl, " c", match_default, make_array(0, 0, 0, 0, -2, 1, 1, 1, 1, -2, 2, …  in test_alt()
38    TEST_INVALID_REGEX("(a|)", perl|no_empty_expressions);  in test_alt()
39 …TEST_REGEX_SEARCH("(a|)", perl, " a", match_default, make_array(0, 0, 0, 0, -2, 1, 2, 1, 2, -2, 2,…  in test_alt()
40    TEST_INVALID_REGEX("(|a)", perl|no_empty_expressions);  in test_alt()
41 …TEST_REGEX_SEARCH("(|a)", perl, " a", match_default, make_array(0, 0, 0, 0, -2, 1, 1, 1, 1, -2, 1,…  in test_alt()
42    TEST_REGEX_SEARCH("a\\|", perl, "a|", match_default, make_array(0, 2, -2, -2));  in test_alt()