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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.compiler
import scala.scalajs.js
import org.scalajs.jasminetest.JasmineTest
import scala.util.{ Try, Failure }
object RuntimeTypesTest extends JasmineTest {
describe("scala.Nothing") {
when("compliant-asinstanceof").
it("casts to scala.Nothing should fail") {
val msg = Try("a".asInstanceOf[Nothing]) match {
case Failure(thr: ClassCastException) => thr.getMessage
case _ => "not failed"
}
expect(msg).toEqual("a is not an instance of scala.runtime.Nothing$")
}
it("Array[Nothing] should be allowed to exists and be castable") {
val arr = Array[Nothing]()
arr.asInstanceOf[Array[Nothing]]
}
it("Array[Array[Nothing]], too") {
val arr = Array[Array[Nothing]]()
arr.asInstanceOf[Array[Array[Nothing]]]
// This apparently works too... Dunno why
arr.asInstanceOf[Array[Nothing]]
}
}
describe("scala.Null") {
when("compliant-asinstanceof").
it("casts to scala.Null should fail for everything else but null") {
val msg = Try("a".asInstanceOf[Null]) match {
case Failure(thr: ClassCastException) => thr.getMessage
case _ => "not failed"
}
expect(msg).toEqual("a is not an instance of scala.runtime.Null$")
}
it("classTag of scala.Null should contain proper Class[_] - #297") {
val tag = scala.reflect.classTag[Null]
expect(tag.runtimeClass != null).toBeTruthy
expect(tag.runtimeClass.getName).toEqual("scala.runtime.Null$")
}
it("casts to scala.Null should succeed on null") {
null.asInstanceOf[Null]
}
it("Array[Null] should be allowed to exist and be castable") {
val arr = Array.fill[Null](5)(null)
arr.asInstanceOf[Array[Null]]
}
it("Array[Array[Null]] too") {
val arr = Array.fill[Null](5,5)(null)
arr.asInstanceOf[Array[Array[Null]]]
// This apparently works too... Dunno why
arr.asInstanceOf[Array[Null]]
}
}
}
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