Populating a class's member vector through constructor that takes a pointer to type

Question

I'm working on one of my class's constructors and it takes a pointer to type. I'm passing in an array of values to this constructor and I'm trying to populate the class's member vector with it. My class looks something like this:

class Foo {
private:
    std::vector<uint32_t> values_;
public:
    Foo( uint32_t* values ) {
        size_t size = sizeof(values) / sizeof(values[0]);
        value_.insert( values_.end(), &values[0], &values[size] );
    }
};

In main I have tried both ways:

int main() {
    uint32_t values[] = { 1,2,3,4,5,6,7,8,9 };
    Foo f( values );
    Foo f( &values[0] );
    return 0;
}

I have used the advise from this answer and it is not working for me. I am only getting a single value in values_. Where am I going wrong and what can I do to fix it?