cppcheck/test/testutils.cpp at 2.15.0 · cppcheck-opensource/cppcheck · GitHub

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* Cppcheck - A tool for static C/C++ code analysis

* 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("", *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)

cppcheck/test/testutils.cpp at 2.15.0 · cppcheck-opensource/cppcheck · GitHub

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