void TestTransform()
{
typedef vector<int> Vec;
Vec test1;
Vec checked1;
Vec checked;
for(int i = 1; i < 5; i++)
{
test1.push_back (i * i); // test1: 1 4 9 16
checked1.push_back (i * i);
}
//vector<int> test2(test1.size());
//transform(test1.begin(), test1.end(), test2.begin(), [](int i){return ++i;}); // test2: 2 5 10 17
Vec test2p;
transform(test1.begin(), test1.end(), back_inserter(test2p), [](int i){return ++i;}); // test2: 2 5 10 17
cout << "Unary operation, the first is the same: ";
checked.push_back(2);
checked.push_back(5);
checked.push_back(10);
checked.push_back(17);
CHECK_RESULTS(IsEqual(test1, checked1));
cout << "Unary operation, the second has changed: ";
CHECK_RESULTS(IsEqual(test2p, checked));
cout << "Binary operation, the first is the same: ";
checked.clear();
checked.push_back(3);
checked.push_back(9);
checked.push_back(19);
checked.push_back(33);
transform(test1.begin(), test1.end(), test2p.begin(), test2p.begin(), [](int i, int j){return i + j;}); // test1: 3 9 19 33
CHECK_RESULTS(IsEqual(test1, checked1));
cout << "Binary operation, the second has changed: ";
CHECK_RESULTS(IsEqual(test2p, checked));
cout << "No elements: ";
test1.erase(test1.begin(), test1.end());
checked.erase(checked.begin(), checked.end());
test2p.erase(test2p.begin(), test2p.end());
transform(test1.begin(), test1.end(), back_inserter(test2p),[](int i){return ++i;});
CHECK_RESULTS(IsEqual(test2p, checked));
}
TEST(VectorMapTest, EraseTest)
{
Vec v;
ASSERT_TRUE(v.empty());
ASSERT_EQ(0, v.size());
ASSERT_FALSE(v.remove(10));
v.insert(10, 1);
v.insert(11, 2);
ASSERT_TRUE(v.end() != v.find(10));
{
Pair const& p = *(v.find(10));
ASSERT_EQ(1, p.second);
}
{
Pair const& p = *(v.erase( v.find(10) ));
ASSERT_EQ(2, p.second);
}
}
int main()
{
Vec<int> ages;
ages.push_back(31);
ages.push_back(60);
ages.push_back(0);
ages.push_back(36);
ages.push_back(14);
ages.push_back(0);
Vec<int>::size_type n = ages.size();
ages[n-1] = 7;
ages.erase(2);
n = ages.size();
for (Vec<int>::size_type i = 0; i != n; i++)
cout << ages[i] << endl;
return 0;
}