test/pending/run/t6956.scala


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

import scala.tools.partest.IcodeComparison

class Switches {
  private[this] final val ONE = 1

  def switchBad(i: Byte): Int = i match {
    case ONE => 1
    case 2 => 2
    case 3 => 3
    case _ => 0
  }

  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")
  }
}