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object Test extends App {
def testBothReachable() {
val i = util.Random.nextInt
val x = if (i % 2 == 0) null else "good"
val y = if (x == null) "good" else x + ""
println(s"testBothReachable: $y")
}
def testOneReachable() {
val i = 1
val x = if (i != 1) null else "good"
val y = if (x == null) "good" else x + ""
println(s"testOneReachable: $y")
}
def testAllReachable() {
val i = util.Random.nextInt
val y = (i % 2) match {
case 0 => "good"
case 1 => "good"
case _ => "good"
}
println(s"testAllReachable: $y")
}
def testOneUnreachable() {
val i = util.Random.nextInt
val x = if (i % 2 == 0) {
1
} else {
2
}
val y = x match {
case 0 => "good"
case 1 => "good"
case _ => "good"
}
println(s"testOneUnreachable: $y")
}
def testDefaultUnreachable() {
val i = util.Random.nextInt
val x = if (i % 2 == 0) {
1
} else {
2
}
val y = x match {
case 1 => "good"
case 2 => "good"
case _ => "good"
}
println(s"testDefaultUnreachable: $y")
}
testBothReachable()
testOneReachable()
testAllReachable()
testOneUnreachable()
testDefaultUnreachable()
}
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