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import scala.tools.partest.IcodeComparison
// this class should compile to code that uses switches (twice)
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
}
// this worked before, should keep working
def switchOkay(i: Byte): Int = i match {
case 1 => 1
case 2 => 2
case 3 => 3
case _ => 0
}
}
object Test extends IcodeComparison {
// 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() = {
val expected = 2
val actual = (collectIcode() filter {
x => x.indexOf("SWITCH ...") >= 0 && x.indexOf("CONSTANT(") == -1
}).size
assert(actual == expected, s"switches expected: $expected, actual: $actual")
}
}
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