Tests for Boolean Logic - 2nd cut

BooleanTest.scala

...
  @Test def `shortcut or`() {
    assert((true1  || true1)  == true1 )
    assert((true1  || false1) == true1 )
    assert((false1 || true1)  == true1 )
    assert((false1 || false1) == false1)
  }

  @Test def `simple or left side true`() {
    var evaluated = "not evaluated"
    true1 | {evaluated = "evaluated"; true1}
    assert(evaluated == "evaluated")
  }

  @Test def `shortcut or left side true`() {
    var evaluated = "not evaluated"
    true1 || {evaluated = "evaluated"; true1}
    assert(evaluated == "not evaluated")
  }

  @Test def `shortcut and`() {
    assert((true1  && true1)  == true1 )
    assert((true1  && false1) == false1)
    assert((false1 && true1)  == false1)
    assert((false1 && false1) == false1)
  }

  @Test def `simple and left side false`() {
    var evaluated = "not evaluated"
    false1 & {evaluated = "evaluated"; true1}
    assert(evaluated == "evaluated")
  }

  @Test def `shortcut and left side false`() {
    var evaluated = "not evaluated"
    false1 && {evaluated = "evaluated"; true1}
    assert(evaluated == "not evaluated")
  }
...