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