cppcheck/test/testforeach.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2017 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 "foreach.h"
#include "testsuite.h"
#include <vector>
class TestForeach : public TestFixture {
public:
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TestForeach()
: TestFixture("TestForeach"), getVectorOnceCount(0)
{}
private:
int getVectorOnceCount;
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const std::vector<int>& getVectorOnce() {
static std::vector<int> v(5, 2);
getVectorOnceCount++;
return v;
}
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std::vector<int> getVector() {
std::vector<int> v(5, 2);
return v;
}
void run() {
TEST_CASE(container);
TEST_CASE(rvalue);
TEST_CASE(checkBreak);
TEST_CASE(checkContinue);
TEST_CASE(arrays);
TEST_CASE(callOnce);
TEST_CASE(nested);
}
void container() {
std::vector<int> v(5, 2);
int total = 0;
int count = 0;
FOREACH(int x, v) {
count++;
total += x;
}
ASSERT_EQUALS(total, 10);
ASSERT_EQUALS(count, 5);
}
void rvalue() {
int total = 0;
int count = 0;
FOREACH(int x, getVector()) {
count++;
total += x;
}
ASSERT_EQUALS(total, 10);
ASSERT_EQUALS(count, 5);
}
void checkBreak() {
std::vector<int> v(5, 2);
int total = 0;
int count = 0;
FOREACH(int x, v) {
count++;
if (count == 3) break;
total += x;
}
ASSERT_EQUALS(total, 4);
ASSERT_EQUALS(count, 3);
}
void checkContinue() {
std::vector<int> v(5, 2);
int total = 0;
int count = 0;
FOREACH(int x, v) {
count++;
if (count == 3) continue;
total += x;
}
ASSERT_EQUALS(total, 8);
ASSERT_EQUALS(count, 5);
}
void arrays() {
int arr[] = {2, 2, 2, 2, 2};
int total = 0;
int count = 0;
FOREACH(int x, arr) {
count++;
total += x;
}
ASSERT_EQUALS(total, 10);
ASSERT_EQUALS(count, 5);
}
void callOnce() {
int total = 0;
int count = 0;
FOREACH(int x, getVectorOnce()) {
count++;
total += x;
}
ASSERT_EQUALS(total, 10);
ASSERT_EQUALS(count, 5);
ASSERT_EQUALS(getVectorOnceCount, 1);
}
void nested() {
std::vector<int> v(5, 2);
int total = 0;
int count = 0;
FOREACH(int x, v) {
FOREACH(int y, v) {
count++;
total += x;
(void)y;
}
}
ASSERT_EQUALS(total, 50);
ASSERT_EQUALS(count, 25);
}
};
REGISTER_TEST(TestForeach)