diff options
Diffstat (limited to 'modules/regex/tests/test_regex.h')
| -rw-r--r-- | modules/regex/tests/test_regex.h | 151 |
1 files changed, 150 insertions, 1 deletions
diff --git a/modules/regex/tests/test_regex.h b/modules/regex/tests/test_regex.h index 3e4d769377..1c305f70f7 100644 --- a/modules/regex/tests/test_regex.h +++ b/modules/regex/tests/test_regex.h @@ -133,6 +133,18 @@ TEST_CASE("[RegEx] Substitution") { RegEx re4("(a)(b){0}(c)"); REQUIRE(re4.is_valid()); CHECK(re4.sub(s4, "${1}.${3}.", true) == "a.c.a.c.a.c."); + + const String s5 = "aaaa"; + + RegEx re5("a"); + REQUIRE(re5.is_valid()); + CHECK(re5.sub(s5, "b", true, 0, 2) == "bbaa"); + CHECK(re5.sub(s5, "b", true, 1, 3) == "abba"); + CHECK(re5.sub(s5, "b", true, 0, 0) == "aaaa"); + CHECK(re5.sub(s5, "b", true, 1, 1) == "aaaa"); + CHECK(re5.sub(s5, "cc", true, 0, 2) == "ccccaa"); + CHECK(re5.sub(s5, "cc", true, 1, 3) == "acccca"); + CHECK(re5.sub(s5, "", true, 0, 2) == "aa"); } TEST_CASE("[RegEx] Substitution with empty input and/or replacement") { @@ -164,7 +176,7 @@ TEST_CASE("[RegEx] Uninitialized use") { ERR_PRINT_ON } -TEST_CASE("[RegEx] Empty Pattern") { +TEST_CASE("[RegEx] Empty pattern") { const String s = "Godot"; RegEx re; @@ -222,6 +234,143 @@ TEST_CASE("[RegEx] Match start and end positions") { CHECK(match->get_start("vowel") == 2); CHECK(match->get_end("vowel") == 3); } + +TEST_CASE("[RegEx] Asterisk search all") { + const String s = "Godot Engine"; + + RegEx re("o*"); + REQUIRE(re.is_valid()); + Ref<RegExMatch> match; + const Array all_results = re.search_all(s); + CHECK(all_results.size() == 13); + + match = all_results[0]; + CHECK(match->get_string(0) == ""); + match = all_results[1]; + CHECK(match->get_string(0) == "o"); + match = all_results[2]; + CHECK(match->get_string(0) == ""); + match = all_results[3]; + CHECK(match->get_string(0) == "o"); + + for (int i = 4; i < 13; i++) { + match = all_results[i]; + CHECK(match->get_string(0) == ""); + } +} + +TEST_CASE("[RegEx] Simple lookahead") { + const String s = "Godot Engine"; + + RegEx re("o(?=t)"); + REQUIRE(re.is_valid()); + Ref<RegExMatch> match = re.search(s); + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 3); + CHECK(match->get_end(0) == 4); +} + +TEST_CASE("[RegEx] Lookahead groups empty matches") { + const String s = "12"; + + RegEx re("(?=(\\d+))"); + REQUIRE(re.is_valid()); + Ref<RegExMatch> match = re.search(s); + CHECK(match->get_string(0) == ""); + CHECK(match->get_string(1) == "12"); + + const Array all_results = re.search_all(s); + CHECK(all_results.size() == 2); + + match = all_results[0]; + REQUIRE(match != nullptr); + CHECK(match->get_string(0) == String("")); + CHECK(match->get_string(1) == String("12")); + + match = all_results[1]; + REQUIRE(match != nullptr); + CHECK(match->get_string(0) == String("")); + CHECK(match->get_string(1) == String("2")); +} + +TEST_CASE("[RegEx] Simple lookbehind") { + const String s = "Godot Engine"; + + RegEx re("(?<=d)o"); + REQUIRE(re.is_valid()); + Ref<RegExMatch> match = re.search(s); + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 3); + CHECK(match->get_end(0) == 4); +} + +TEST_CASE("[RegEx] Simple lookbehind search all") { + const String s = "ababbaabab"; + + RegEx re("(?<=a)b"); + REQUIRE(re.is_valid()); + const Array all_results = re.search_all(s); + CHECK(all_results.size() == 4); + + Ref<RegExMatch> match = all_results[0]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 1); + CHECK(match->get_end(0) == 2); + + match = all_results[1]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 3); + CHECK(match->get_end(0) == 4); + + match = all_results[2]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 7); + CHECK(match->get_end(0) == 8); + + match = all_results[3]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 9); + CHECK(match->get_end(0) == 10); +} + +TEST_CASE("[RegEx] Lookbehind groups empty matches") { + const String s = "abaaabab"; + + RegEx re("(?<=(b))"); + REQUIRE(re.is_valid()); + Ref<RegExMatch> match; + + const Array all_results = re.search_all(s); + CHECK(all_results.size() == 3); + + match = all_results[0]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 2); + CHECK(match->get_end(0) == 2); + CHECK(match->get_start(1) == 1); + CHECK(match->get_end(1) == 2); + CHECK(match->get_string(0) == String("")); + CHECK(match->get_string(1) == String("b")); + + match = all_results[1]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 6); + CHECK(match->get_end(0) == 6); + CHECK(match->get_start(1) == 5); + CHECK(match->get_end(1) == 6); + CHECK(match->get_string(0) == String("")); + CHECK(match->get_string(1) == String("b")); + + match = all_results[2]; + REQUIRE(match != nullptr); + CHECK(match->get_start(0) == 8); + CHECK(match->get_end(0) == 8); + CHECK(match->get_start(1) == 7); + CHECK(match->get_end(1) == 8); + CHECK(match->get_string(0) == String("")); + CHECK(match->get_string(1) == String("b")); +} + } // namespace TestRegEx #endif // TEST_REGEX_H |