#include #include "Matrix.h" using namespace std; void testAll() { Matrix m(4, 4); assert(m.nrLines() == 4); assert(m.nrColumns() == 4); m.modify(1, 1, 5); assert(m.element(1, 1) == 5); TElem old = m.modify(1, 1, 6); assert(m.element(1, 2) == NULL_TELEM); assert(old == 5); }