fail("calculate() Lth 8 - expected exception"); } catch (Exception e) { assertEquals("calculate() Lth 8", "Invalid ISBN Length = 8", e.getMessage()); fail("calculate() Lth 10 - expected exception"); } catch (Exception e) { assertEquals("calculate() Lth 10", "Invalid ISBN Length = 10", e.getMessage()); fail("calculate() Lth 11 - expected exception"); } catch (Exception e) { assertEquals("calculate() Lth 11", "Invalid ISBN Length = 11", e.getMessage()); fail("calculate() Lth 13 - expected exception"); } catch (Exception e) { assertEquals("calculate() Lth 13", "Invalid ISBN Length = 13", e.getMessage());