DanilSuits

display = Calculator.display("123+45-67*8")
assert display == "8"

DanilSuits

// BEFORE
return 2

// AFTER
return 1 + 1

DanilSuits

void Copy() {
  CopyV2(&ReadKeyboard, &WritePrinter);
}

void CopyV2(int (*fnRead)(void), void (*fnWrite)(int)) {  
  int c;
  while ((c = (*fnRead)() != EOF)
    (*fnWrite)(c);
}

DanilSuits

void Copy() {
  int (*fnRead)(void) = &ReadKeyboard;
  void (*fnWrite)(int) = &WritePrinter;

  int c;
  while ((c = (*fnRead)() != EOF)
    (*fnWrite)(c);
}

DanilSuits

void Copy() {
  int c;
  while ((c = ReadKeyboard()) != EOF)
    WritePrinter(c);
}

DanilSuits

public class StoreMonitorTest {
    @Test
    public void alertSentWhenProductNeedsReordering() {
        Alert alert = mock(Alert.class);
        Product product = new Product(811, 11, 14);
        { //
            alert.send(product);
        } //
        verify(alert).send(product);
    }

DanilSuits

public class StoreMonitorTest {
    @Test
    public void alertSentWhenProductNeedsReordering() {
        Alert alert = mock(Alert.class);
        Product product = new Product(811, 11, 14);
        { //
          // TODO: the magic happens here.
        } //
        verify(alert).send(product);
    }

DanilSuits

class StoreMonitorTest {
    @Test
    public void alertSentWhenProductNeedsReordering() {
        verify(alert).send(product);
    }
}

DanilSuits

def row(line):
    return 44

def column(line):
    return 5

def location(line):
    line.rstrip()
    return  row(line), column(line)

DanilSuits

def sut(lines):
    seat_ids = [357]
    return max(seat_ids)


lines = ["FBFBBFFRLR\n"]
answer = sut(lines)
assert 357 == answer