@Test public void pushBack_givenInitialState_thenLengthIs1() throws Exception { test.pushBack(10); assertLength(1); }
public void pushBack(int value) { }
DynamicStack { public void pushBack(int value) { } }
DynamicStack { public void pushBack(int value) { } DynamicStack(int growthFactor, int maxOverhead); }
DynamicStack { public void pushBack(int value) { } DynamicStack(int growthFactor, int maxOverhead); int getLength(); void pushBack(int value); int popBack(); }
DynamicStack { public void pushBack(int value) { } DynamicStack(int growthFactor, int maxOverhead); int getLength(); void pushBack(int value); int popBack();  }