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import scala.tools.partest.IcodeTest
class Switches {
type Tag = Byte
def switchBad(i: Tag): Int = i match { // notice type of i is Tag = Byte
case 1 => 1
case 2 => 2
case 3 => 3
case _ => 0
}
def switchOkay(i: Byte): Int = i match { // notice type of i is Byte
case 1 => 1
case 2 => 2
case 3 => 3
case _ => 0
}
}
object Test extends IcodeTest {
// ensure we get two switches out of this -- ignore the rest of the output for robustness
// exclude the constant we emit for the "SWITCH ..." string below (we get the icode for all the code you see in this file)
override def show() = println(collectIcode("").filter(x => x.indexOf("SWITCH ...") >= 0 && x.indexOf("CONSTANT(") == -1).size)
}
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