/**************************************************************************/ /* test_regex.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #ifndef TEST_REGEX_H #define TEST_REGEX_H #include "../regex.h" #include "core/string/ustring.h" #include "tests/test_macros.h" namespace TestRegEx { TEST_CASE("[RegEx] Initialization") { const String pattern = "(?[aeiou])"; RegEx re1(pattern); CHECK(re1.is_valid()); CHECK(re1.get_pattern() == pattern); CHECK(re1.get_group_count() == 1); PackedStringArray names = re1.get_names(); CHECK(names.size() == 1); CHECK(names[0] == "vowel"); RegEx re2; CHECK(re2.is_valid() == false); CHECK(re2.compile(pattern) == OK); CHECK(re2.is_valid()); CHECK(re1.get_pattern() == re2.get_pattern()); CHECK(re1.get_group_count() == re2.get_group_count()); names = re2.get_names(); CHECK(names.size() == 1); CHECK(names[0] == "vowel"); } TEST_CASE("[RegEx] Clearing") { RegEx re("Godot"); REQUIRE(re.is_valid()); re.clear(); CHECK(re.is_valid() == false); } TEST_CASE("[RegEx] Searching") { const String s = "Searching"; const String vowels = "[aeiou]{1,2}"; const String numerics = "\\d"; RegEx re(vowels); REQUIRE(re.is_valid()); Ref match = re.search(s); REQUIRE(match != nullptr); CHECK(match->get_string(0) == "ea"); match = re.search(s, 1, 2); REQUIRE(match != nullptr); CHECK(match->get_string(0) == "e"); match = re.search(s, 2, 4); REQUIRE(match != nullptr); CHECK(match->get_string(0) == "a"); match = re.search(s, 3, 5); CHECK(match == nullptr); match = re.search(s, 6, 2); CHECK(match == nullptr); 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) == "ea"); match = all_results[1]; REQUIRE(match != nullptr); CHECK(match->get_string(0) == "i"); CHECK(re.compile(numerics) == OK); CHECK(re.is_valid()); CHECK(re.search(s) == nullptr); CHECK(re.search_all(s).size() == 0); } TEST_CASE("[RegEx] Substitution") { const String s1 = "Double all the vowels."; RegEx re1("(?[aeiou])"); REQUIRE(re1.is_valid()); CHECK(re1.sub(s1, "$0$vowel", true) == "Doouublee aall thee vooweels."); const String s2 = "Substitution with group."; RegEx re2("Substitution (.+)"); REQUIRE(re2.is_valid()); CHECK(re2.sub(s2, "Test ${1}") == "Test with group."); const String s3 = "Useless substitution"; RegEx re3("Anything"); REQUIRE(re3.is_valid()); CHECK(re3.sub(s3, "Something") == "Useless substitution"); const String s4 = "acacac"; RegEx re4("(a)(b){0}(c)"); REQUIRE(re4.is_valid()); CHECK(re4.sub(s4, "${1}.${3}.", true) == "a.c.a.c.a.c."); } TEST_CASE("[RegEx] Substitution with empty input and/or replacement") { const String s1 = ""; const String s2 = "gogogo"; RegEx re1(""); REQUIRE(re1.is_valid()); CHECK(re1.sub(s1, "") == ""); CHECK(re1.sub(s1, "a") == "a"); CHECK(re1.sub(s2, "") == "gogogo"); RegEx re2("go"); REQUIRE(re2.is_valid()); CHECK(re2.sub(s2, "") == "gogo"); CHECK(re2.sub(s2, "", true) == ""); } TEST_CASE("[RegEx] Uninitialized use") { const String s = "Godot"; RegEx re; ERR_PRINT_OFF; CHECK(re.search(s) == nullptr); CHECK(re.search_all(s).size() == 0); CHECK(re.sub(s, "") == ""); CHECK(re.get_group_count() == 0); CHECK(re.get_names().size() == 0); ERR_PRINT_ON } TEST_CASE("[RegEx] Empty Pattern") { const String s = "Godot"; RegEx re; CHECK(re.compile("") == OK); CHECK(re.is_valid()); } TEST_CASE("[RegEx] Invalid end position") { const String s = "Godot"; RegEx re("o"); REQUIRE(re.is_valid()); Ref match = re.search(s, 0, 10); CHECK(match->get_string(0) == "o"); const Array all_results = re.search_all(s, 0, 10); CHECK(all_results.size() == 2); match = all_results[0]; REQUIRE(match != nullptr); CHECK(match->get_string(0) == String("o")); match = all_results[1]; REQUIRE(match != nullptr); CHECK(match->get_string(0) == String("o")); CHECK(re.sub(s, "", true, 0, 10) == "Gdt"); } TEST_CASE("[RegEx] Get match string list") { const String s = "Godot Engine"; RegEx re("(Go)(dot)"); Ref match = re.search(s); REQUIRE(match != nullptr); PackedStringArray result; result.append("Godot"); result.append("Go"); result.append("dot"); CHECK(match->get_strings() == result); } TEST_CASE("[RegEx] Match start and end positions") { const String s = "Whole pattern"; RegEx re1("pattern"); REQUIRE(re1.is_valid()); Ref match = re1.search(s); REQUIRE(match != nullptr); CHECK(match->get_start(0) == 6); CHECK(match->get_end(0) == 13); RegEx re2("(?[aeiou])"); REQUIRE(re2.is_valid()); match = re2.search(s); REQUIRE(match != nullptr); CHECK(match->get_start("vowel") == 2); CHECK(match->get_end("vowel") == 3); } } // namespace TestRegEx #endif // TEST_REGEX_H