!7

p-exp {
  for (int i = 1; i <= 2; i++) {
    assertEqualsVerbose("bla", extractLastNLinesOfString(i, "bla"));
    assertEqualsVerbose("bla\n", extractLastNLinesOfString(i, "bla\n"));
  }
  assertEqualsVerbose("blubb", extractLastNLinesOfString(1, "bla\nblubb"));
  for (int i = 2; i <= 3; i++)
    assertEqualsVerbose("bla\nblubb", extractLastNLinesOfString(print(i), "bla\nblubb"));
  assertEqualsVerbose("bla\nblubb", extractLastNLinesOfString(2, "ya\n\nbla\nblubb"));
  assertEqualsVerbose("\nbla\nblubb", extractLastNLinesOfString(3, "ya\n\nbla\nblubb"));
}