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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "fixture.h"
#include "utils.h"
#include <cstddef>
#include <cstdint>
#include <limits>
#include <stdexcept>
#include <string>
class TestUtils : public TestFixture {
public:
TestUtils() : TestFixture("TestUtils") {}
private:
void run() override {
TEST_CASE(isValidGlobPattern);
TEST_CASE(matchglob);
TEST_CASE(isStringLiteral);
TEST_CASE(isCharLiteral);
TEST_CASE(strToInt);
TEST_CASE(id_string);
TEST_CASE(startsWith);
TEST_CASE(trim);
TEST_CASE(findAndReplace);
TEST_CASE(replaceEscapeSequences);
TEST_CASE(splitString);
TEST_CASE(as_const);
}
void isValidGlobPattern() const {
ASSERT_EQUALS(true, ::isValidGlobPattern("*"));
ASSERT_EQUALS(true, ::isValidGlobPattern("*x"));
ASSERT_EQUALS(true, ::isValidGlobPattern("x*"));
ASSERT_EQUALS(true, ::isValidGlobPattern("*/x/*"));
ASSERT_EQUALS(true, ::isValidGlobPattern("x/*/z"));
ASSERT_EQUALS(false, ::isValidGlobPattern("**"));
ASSERT_EQUALS(false, ::isValidGlobPattern("**x"));
ASSERT_EQUALS(false, ::isValidGlobPattern("x**"));
ASSERT_EQUALS(true, ::isValidGlobPattern("?"));
ASSERT_EQUALS(true, ::isValidGlobPattern("?x"));
ASSERT_EQUALS(true, ::isValidGlobPattern("x?"));
ASSERT_EQUALS(true, ::isValidGlobPattern("?/x/?"));
ASSERT_EQUALS(true, ::isValidGlobPattern("x/?/z"));
ASSERT_EQUALS(false, ::isValidGlobPattern("??"));
ASSERT_EQUALS(false, ::isValidGlobPattern("??x"));
ASSERT_EQUALS(false, ::isValidGlobPattern("x??"));
}
void matchglob() const {
ASSERT_EQUALS(true, ::matchglob("*", "xyz"));
ASSERT_EQUALS(true, ::matchglob("x*", "xyz"));
ASSERT_EQUALS(true, ::matchglob("*z", "xyz"));
ASSERT_EQUALS(true, ::matchglob("*y*", "xyz"));
ASSERT_EQUALS(true, ::matchglob("*y*", "yz"));
ASSERT_EQUALS(false, ::matchglob("*y*", "abc"));
ASSERT_EQUALS(true, ::matchglob("*", "x/y/z"));
ASSERT_EQUALS(true, ::matchglob("*/y/z", "x/y/z"));
ASSERT_EQUALS(false, ::matchglob("?", "xyz"));
ASSERT_EQUALS(false, ::matchglob("x?", "xyz"));
ASSERT_EQUALS(false, ::matchglob("?z", "xyz"));
ASSERT_EQUALS(true, ::matchglob("?y?", "xyz"));
ASSERT_EQUALS(true, ::matchglob("?/?/?", "x/y/z"));
}
void isStringLiteral() const {
// empty
ASSERT_EQUALS(false, ::isStringLiteral(""));
// no literals
ASSERT_EQUALS(false, ::isStringLiteral("u8"));
ASSERT_EQUALS(false, ::isStringLiteral("u"));
ASSERT_EQUALS(false, ::isStringLiteral("U"));
ASSERT_EQUALS(false, ::isStringLiteral("L"));
// incomplete string literals
ASSERT_EQUALS(false, ::isStringLiteral("\""));
ASSERT_EQUALS(false, ::isStringLiteral("u8\""));
ASSERT_EQUALS(false, ::isStringLiteral("u\""));
ASSERT_EQUALS(false, ::isStringLiteral("U\""));
ASSERT_EQUALS(false, ::isStringLiteral("L\""));
// valid string literals
ASSERT_EQUALS(true, ::isStringLiteral("\"\""));
ASSERT_EQUALS(true, ::isStringLiteral("u8\"\""));
ASSERT_EQUALS(true, ::isStringLiteral("u\"\""));
ASSERT_EQUALS(true, ::isStringLiteral("U\"\""));
ASSERT_EQUALS(true, ::isStringLiteral("L\"\""));
ASSERT_EQUALS(true, ::isStringLiteral("\"t\""));
ASSERT_EQUALS(true, ::isStringLiteral("u8\"t\""));
ASSERT_EQUALS(true, ::isStringLiteral("u\"t\""));
ASSERT_EQUALS(true, ::isStringLiteral("U\"t\""));
ASSERT_EQUALS(true, ::isStringLiteral("L\"t\""));
ASSERT_EQUALS(true, ::isStringLiteral("\"test\""));
ASSERT_EQUALS(true, ::isStringLiteral("u8\"test\""));
ASSERT_EQUALS(true, ::isStringLiteral("u\"test\""));
ASSERT_EQUALS(true, ::isStringLiteral("U\"test\""));
ASSERT_EQUALS(true, ::isStringLiteral("L\"test\""));
// incomplete char literals
ASSERT_EQUALS(false, ::isStringLiteral("'"));
ASSERT_EQUALS(false, ::isStringLiteral("u8'"));
ASSERT_EQUALS(false, ::isStringLiteral("u'"));
ASSERT_EQUALS(false, ::isStringLiteral("U'"));
ASSERT_EQUALS(false, ::isStringLiteral("L'"));
// valid char literals
ASSERT_EQUALS(false, ::isStringLiteral("'t'"));
ASSERT_EQUALS(false, ::isStringLiteral("u8't'"));
ASSERT_EQUALS(false, ::isStringLiteral("u't'"));
ASSERT_EQUALS(false, ::isStringLiteral("U't'"));
ASSERT_EQUALS(false, ::isStringLiteral("L't'"));
ASSERT_EQUALS(false, ::isStringLiteral("'test'"));
ASSERT_EQUALS(false, ::isStringLiteral("u8'test'"));
ASSERT_EQUALS(false, ::isStringLiteral("u'test'"));
ASSERT_EQUALS(false, ::isStringLiteral("U'test'"));
ASSERT_EQUALS(false, ::isStringLiteral("L'test'"));
}
void isCharLiteral() const {
// empty
ASSERT_EQUALS(false, ::isCharLiteral(""));
// no literals
ASSERT_EQUALS(false, ::isCharLiteral("u8"));
ASSERT_EQUALS(false, ::isCharLiteral("u"));
ASSERT_EQUALS(false, ::isCharLiteral("U"));
ASSERT_EQUALS(false, ::isCharLiteral("L"));
// incomplete string literals
ASSERT_EQUALS(false, ::isCharLiteral("\""));
ASSERT_EQUALS(false, ::isCharLiteral("u8\""));
ASSERT_EQUALS(false, ::isCharLiteral("u\""));
ASSERT_EQUALS(false, ::isCharLiteral("U\""));
ASSERT_EQUALS(false, ::isCharLiteral("L\""));
// valid string literals
ASSERT_EQUALS(false, ::isCharLiteral("\"\""));
ASSERT_EQUALS(false, ::isCharLiteral("u8\"\""));
ASSERT_EQUALS(false, ::isCharLiteral("u\"\""));
ASSERT_EQUALS(false, ::isCharLiteral("U\"\""));
ASSERT_EQUALS(false, ::isCharLiteral("L\"\""));
ASSERT_EQUALS(false, ::isCharLiteral("\"t\""));
ASSERT_EQUALS(false, ::isCharLiteral("u8\"t\""));
ASSERT_EQUALS(false, ::isCharLiteral("u\"t\""));
ASSERT_EQUALS(false, ::isCharLiteral("U\"t\""));
ASSERT_EQUALS(false, ::isCharLiteral("L\"t\""));
ASSERT_EQUALS(false, ::isCharLiteral("\"test\""));
ASSERT_EQUALS(false, ::isCharLiteral("u8\"test\""));
ASSERT_EQUALS(false, ::isCharLiteral("u\"test\""));
ASSERT_EQUALS(false, ::isCharLiteral("U\"test\""));
ASSERT_EQUALS(false, ::isCharLiteral("L\"test\""));
// incomplete char literals
ASSERT_EQUALS(false, ::isCharLiteral("'"));
ASSERT_EQUALS(false, ::isCharLiteral("u8'"));
ASSERT_EQUALS(false, ::isCharLiteral("u'"));
ASSERT_EQUALS(false, ::isCharLiteral("U'"));
ASSERT_EQUALS(false, ::isCharLiteral("L'"));
// valid char literals
ASSERT_EQUALS(true, ::isCharLiteral("'t'"));
ASSERT_EQUALS(true, ::isCharLiteral("u8't'"));
ASSERT_EQUALS(true, ::isCharLiteral("u't'"));
ASSERT_EQUALS(true, ::isCharLiteral("U't'"));
ASSERT_EQUALS(true, ::isCharLiteral("L't'"));
ASSERT_EQUALS(true, ::isCharLiteral("'test'"));
ASSERT_EQUALS(true, ::isCharLiteral("u8'test'"));
ASSERT_EQUALS(true, ::isCharLiteral("u'test'"));
ASSERT_EQUALS(true, ::isCharLiteral("U'test'"));
ASSERT_EQUALS(true, ::isCharLiteral("L'test'"));
}
void strToInt() {
ASSERT_EQUALS(1, ::strToInt<int>("1"));
ASSERT_EQUALS(-1, ::strToInt<int>("-1"));
ASSERT_EQUALS(1, ::strToInt<std::size_t>("1"));
ASSERT_THROW_EQUALS_2(::strToInt<int>(""), std::runtime_error, "converting '' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<std::size_t>(""), std::runtime_error, "converting '' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<int>(" "), std::runtime_error, "converting ' ' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<std::size_t>(" "), std::runtime_error, "converting ' ' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<unsigned int>("-1"), std::runtime_error, "converting '-1' to integer failed - needs to be positive");
ASSERT_THROW_EQUALS_2(::strToInt<int>("1ms"), std::runtime_error, "converting '1ms' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<int>("1.0"), std::runtime_error, "converting '1.0' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<int>("one"), std::runtime_error, "converting 'one' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<unsigned int>("1ms"), std::runtime_error, "converting '1ms' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<unsigned int>("1.0"), std::runtime_error, "converting '1.0' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<unsigned int>("one"), std::runtime_error, "converting 'one' to integer failed - not an integer");
ASSERT_THROW_EQUALS_2(::strToInt<int>(std::to_string(static_cast<int64_t>(std::numeric_limits<int>::max()) + 1)), std::runtime_error, "converting '2147483648' to integer failed - out of range (limits)");
ASSERT_THROW_EQUALS_2(::strToInt<int>(std::to_string(static_cast<int64_t>(std::numeric_limits<int>::min()) - 1)), std::runtime_error, "converting '-2147483649' to integer failed - out of range (limits)");
ASSERT_THROW_EQUALS_2(::strToInt<int8_t>(std::to_string(static_cast<int64_t>(std::numeric_limits<int8_t>::max()) + 1)), std::runtime_error, "converting '128' to integer failed - out of range (limits)");
ASSERT_THROW_EQUALS_2(::strToInt<int8_t>(std::to_string(static_cast<int64_t>(std::numeric_limits<int8_t>::min()) - 1)), std::runtime_error, "converting '-129' to integer failed - out of range (limits)");
ASSERT_THROW_EQUALS_2(::strToInt<unsigned int>(std::to_string(static_cast<uint64_t>(std::numeric_limits<unsigned int>::max()) + 1)), std::runtime_error, "converting '4294967296' to integer failed - out of range (limits)");
ASSERT_THROW_EQUALS_2(::strToInt<int>("9223372036854775808"), std::runtime_error, "converting '9223372036854775808' to integer failed - out of range (stoll)"); // LLONG_MAX + 1
ASSERT_THROW_EQUALS_2(::strToInt<std::size_t>("18446744073709551616"), std::runtime_error, "converting '18446744073709551616' to integer failed - out of range (stoull)"); // ULLONG_MAX + 1
{
long tmp;
ASSERT(::strToInt("1", tmp));
ASSERT_EQUALS(1, tmp);
}
{
long tmp;
ASSERT(::strToInt("-1", tmp));
ASSERT_EQUALS(-1, tmp);
}
{
std::size_t tmp;
ASSERT(::strToInt("1", tmp));
}
{
std::size_t tmp;
ASSERT(!::strToInt("-1", tmp));
}
{
long tmp;
ASSERT(!::strToInt("1ms", tmp));
}
{
unsigned long tmp;
ASSERT(!::strToInt("1ms", tmp));
}
{
long tmp;
ASSERT(!::strToInt("", tmp));
}
{
unsigned long tmp;
ASSERT(!::strToInt("", tmp));
}
{
long tmp;
ASSERT(!::strToInt(" ", tmp));
}
{
unsigned long tmp;
ASSERT(!::strToInt(" ", tmp));
}
{
long tmp;
std::string err;
ASSERT(::strToInt("1", tmp, &err));
ASSERT_EQUALS(1, tmp);
ASSERT_EQUALS("", err);
}
{
std::size_t tmp;
std::string err;
ASSERT(::strToInt("1", tmp, &err));
ASSERT_EQUALS(1, tmp);
ASSERT_EQUALS("", err);
}
{
unsigned long tmp;
std::string err;
ASSERT(!::strToInt("-1", tmp, &err));
ASSERT_EQUALS("needs to be positive", err);
}
{
long tmp;
std::string err;
ASSERT(!::strToInt("1ms", tmp, &err));
ASSERT_EQUALS("not an integer", err);
}
{
long tmp;
std::string err;
ASSERT(!::strToInt("1.0", tmp, &err));
ASSERT_EQUALS("not an integer", err);
}
{
long tmp;
std::string err;
ASSERT(!::strToInt("one", tmp, &err));
ASSERT_EQUALS("not an integer", err);
}
{
std::size_t tmp;
std::string err;
ASSERT(!::strToInt("1ms", tmp, &err));
ASSERT_EQUALS("not an integer", err);
}
{
long tmp;
std::string err;
ASSERT(!::strToInt("9223372036854775808", tmp, &err)); // LLONG_MAX + 1
ASSERT_EQUALS("out of range (stoll)", err);
}
{
int tmp;
std::string err;
ASSERT(!::strToInt(std::to_string(static_cast<int64_t>(std::numeric_limits<int>::max()) + 1), tmp, &err));
ASSERT_EQUALS("out of range (limits)", err);
}
{
int tmp;
std::string err;
ASSERT(!::strToInt(std::to_string(static_cast<int64_t>(std::numeric_limits<int>::min()) - 1), tmp, &err));
ASSERT_EQUALS("out of range (limits)", err);
}
{
int8_t tmp;
std::string err;
ASSERT(!::strToInt(std::to_string(static_cast<int64_t>(std::numeric_limits<int8_t>::max()) + 1), tmp, &err));
ASSERT_EQUALS("out of range (limits)", err);
}
{
int8_t tmp;
std::string err;
ASSERT(!::strToInt(std::to_string(static_cast<int64_t>(std::numeric_limits<int8_t>::min()) - 1), tmp, &err));
ASSERT_EQUALS("out of range (limits)", err);
}
{
std::size_t tmp;
std::string err;
ASSERT(!::strToInt("18446744073709551616", tmp, &err)); // ULLONG_MAX + 1
ASSERT_EQUALS("out of range (stoull)", err);
}
}
void id_string() const
{
ASSERT_EQUALS("0", id_string_i(0));
ASSERT_EQUALS("f1", id_string_i(0xF1));
ASSERT_EQUALS("123", id_string_i(0x123));
ASSERT_EQUALS("1230", id_string_i(0x1230));
ASSERT_EQUALS(std::string(8,'f'), id_string_i(0xffffffffU));
if (sizeof(void*) == 8) {
ASSERT_EQUALS(std::string(16,'f'), id_string_i(~0ULL));
}
}
void startsWith() const
{
ASSERT(::startsWith("test", "test"));
ASSERT(::startsWith("test2", "test"));
ASSERT(::startsWith("test test", "test"));
ASSERT(::startsWith("test", "t"));
ASSERT(!::startsWith("2test", "test"));
ASSERT(!::startsWith("", "test"));
ASSERT(!::startsWith("tes", "test"));
ASSERT(!::startsWith("2test", "t"));
ASSERT(!::startsWith("t", "test"));
}
void trim() const
{
ASSERT_EQUALS("test", ::trim("test"));
ASSERT_EQUALS("test", ::trim(" test"));
ASSERT_EQUALS("test", ::trim("test "));
ASSERT_EQUALS("test", ::trim(" test "));
ASSERT_EQUALS("test", ::trim(" test"));
ASSERT_EQUALS("test", ::trim("test "));
ASSERT_EQUALS("test", ::trim(" test "));
ASSERT_EQUALS("test", ::trim("\ttest"));
ASSERT_EQUALS("test", ::trim("test\t"));
ASSERT_EQUALS("test", ::trim("\ttest\t"));
ASSERT_EQUALS("test", ::trim("\t\ttest"));
ASSERT_EQUALS("test", ::trim("test\t\t"));
ASSERT_EQUALS("test", ::trim("\t\ttest\t\t"));
ASSERT_EQUALS("test", ::trim(" \ttest"));
ASSERT_EQUALS("test", ::trim("test\t "));
ASSERT_EQUALS("test", ::trim(" \ttest\t"));
ASSERT_EQUALS("test", ::trim("\t \ttest"));
ASSERT_EQUALS("test", ::trim("test\t \t"));
ASSERT_EQUALS("test", ::trim("\t \ttest\t \t"));
ASSERT_EQUALS("test test", ::trim("test test"));
ASSERT_EQUALS("test test", ::trim(" test test"));
ASSERT_EQUALS("test test", ::trim("test test "));
ASSERT_EQUALS("test test", ::trim(" test test "));
ASSERT_EQUALS("test\ttest", ::trim(" test\ttest"));
ASSERT_EQUALS("test\ttest", ::trim("test\ttest "));
ASSERT_EQUALS("test\ttest", ::trim(" test\ttest "));
ASSERT_EQUALS("test", ::trim("\ntest", "\n"));
ASSERT_EQUALS("test", ::trim("test\n", "\n"));
ASSERT_EQUALS("test", ::trim("\ntest\n", "\n"));
}
void findAndReplace() const {
{
std::string s{"test"};
::findAndReplace(s, "test", "tset");
ASSERT_EQUALS("tset", s);
}
{
std::string s{"testtest"};
::findAndReplace(s, "test", "tset");
ASSERT_EQUALS("tsettset", s);
}
{
std::string s{"1test1test1"};
::findAndReplace(s, "test", "tset");
ASSERT_EQUALS("1tset1tset1", s);
}
{
std::string s{"1test1test1"};
::findAndReplace(s, "test", "");
ASSERT_EQUALS("111", s);
}
{
std::string s{"111"};
::findAndReplace(s, "test", "tset");
ASSERT_EQUALS("111", s);
}
{
std::string s;
::findAndReplace(s, "test", "tset");
ASSERT_EQUALS("", s);
}
}
void replaceEscapeSequences() const {
ASSERT_EQUALS("\x30", ::replaceEscapeSequences("\\x30"));
ASSERT_EQUALS("\030", ::replaceEscapeSequences("\\030"));
ASSERT_EQUALS("\r", ::replaceEscapeSequences("\\r"));
ASSERT_EQUALS("\n", ::replaceEscapeSequences("\\n"));
ASSERT_EQUALS("\t", ::replaceEscapeSequences("\\t"));
ASSERT_EQUALS("\\", ::replaceEscapeSequences("\\\\"));
ASSERT_EQUALS("\"", ::replaceEscapeSequences("\\\""));
}
void splitString() const {
{
const auto l = ::splitString("test", ',');
ASSERT_EQUALS(1, l.size());
ASSERT_EQUALS("test", *l.cbegin());
}
{
const auto l = ::splitString("test,test", ';');
ASSERT_EQUALS(1, l.size());
ASSERT_EQUALS("test,test", *l.cbegin());
}
{
const auto l = ::splitString("test,test", ',');
ASSERT_EQUALS(2, l.size());
auto it = l.cbegin();
ASSERT_EQUALS("test", *it++);
ASSERT_EQUALS("test", *it);
}
{
const auto l = ::splitString("test,test,", ',');
ASSERT_EQUALS(3, l.size());
auto it = l.cbegin();
ASSERT_EQUALS("test", *it++);
ASSERT_EQUALS("test", *it++);
ASSERT_EQUALS("", *it);
}
{
const auto l = ::splitString("test,,test", ',');
ASSERT_EQUALS(3, l.size());
auto it = l.cbegin();
ASSERT_EQUALS("test", *it++);
ASSERT_EQUALS("", *it++);
ASSERT_EQUALS("test", *it);
}
{
const auto l = ::splitString(",test,test", ',');
ASSERT_EQUALS(3, l.size());
auto it = l.cbegin();
ASSERT_EQUALS("", *it++);
ASSERT_EQUALS("test", *it++);
ASSERT_EQUALS("test", *it);
}
}
void as_const() const {
struct C {
bool written = false;
void f() {
written = true;
}
// cppcheck-suppress functionStatic - needs to be const
void f() const {}
};
{
C c;
c.f();
ASSERT(c.written);
}
{
C c;
utils::as_const(c).f();
ASSERT(!c.written);
}
{
C c;
C* cp = &c;
cp->f();
ASSERT(c.written);
}
{
C c;
C* cp = &c;
utils::as_const(cp)->f(); // (correctly) calls non-const version
ASSERT(c.written);
}
}
};
REGISTER_TEST(TestUtils)
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