public static void main(String[] args) {
StackWithMin withMin = new StackWithMin();
withMin.push(3);
withMin.push(4);
withMin.push(1);
withMin.push(1);
withMin.push(2);
withMin.push(5);
withMin.pop();
withMin.pop();
withMin.pop();
System.out.println(withMin.min());
}
@Test
public void testPush() {
stack = new StackWithMin<>();
stack.push(0);
stack.push(-1);
stack.push(1);
stack.push(-1);
stack.push(0);
stack.push(8);
stack.push(0);
stack.push(7);
Assert.assertEquals(new Integer(-1), stack.min());
}
