godot/modules/regex/tests/test_regex.h
Maximilian Mayer 7edb50a31c Move and add new RegEx test cases
Test cases for 'RegEx' are moved from 'test_string.h' to own test suite
in 'test_regex.h'. Additionally, new tests are introduced and '_init' is
removed as it isn't implemented/used anywhere.
2020-11-22 22:48:03 +01:00

165 lines
5.2 KiB
C++

/*************************************************************************/
/* test_regex.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 */
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/*************************************************************************/
#ifndef TEST_REGEX_H
#define TEST_REGEX_H
#include "core/string/ustring.h"
#include "modules/regex/regex.h"
#include "tests/test_macros.h"
namespace TestRegEx {
TEST_CASE("[RegEx] Initialization") {
const String pattern = "(?<vowel>[aeiou])";
RegEx re1(pattern);
CHECK(re1.is_valid());
CHECK(re1.get_pattern() == pattern);
CHECK(re1.get_group_count() == 1);
Array 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<RegExMatch> match = re.search(s);
REQUIRE(match != nullptr);
CHECK(match->get_string(0) == "ea");
match = re.search(s, 2, 4);
REQUIRE(match != nullptr);
CHECK(match->get_string(0) == "a");
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") {
String s = "Double all the vowels.";
RegEx re("(?<vowel>[aeiou])");
REQUIRE(re.is_valid());
CHECK(re.sub(s, "$0$vowel", true) == "Doouublee aall thee vooweels.");
}
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 offset") {
const String s = "Godot";
RegEx re("o");
REQUIRE(re.is_valid());
CHECK(re.search(s, -1) == nullptr);
CHECK(re.search_all(s, -1).size() == 0);
CHECK(re.sub(s, "", true, -1) == "");
}
TEST_CASE("[RegEx] Invalid end position") {
const String s = "Godot";
RegEx re("o");
REQUIRE(re.is_valid());
Ref<RegExMatch> 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");
}
} // namespace TestRegEx
#endif // TEST_REGEX_H