Scala example source code file (ResourceTest.scala)

This example Scala source code file (ResourceTest.scala) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Scala by Example" ^TM.

Learn more about this Scala project at its project page.

Java - Scala tags/keywords

ioexception, resource, resourcetest, speclite, stringreader

The ResourceTest.scala Scala example source code

package scalaz
package effect

import java.io._
import std.effect.closeable._

object ResourceTest extends SpecLite {

  "Resource" should {

    "close the resource properly (1)" in {
      val r = new StringReader("abcdef")
      r.read
      Resource[StringReader].close(r).unsafePerformIO
      try {
        r.read
        fail("should have thrown")
      } catch {
        case ioe: IOException => // ok
      }
    }

    "close the resource properly (2)" in {
      val r = new StringReader("abcdef")
      r.read
      IO(r).using(_ => IO.ioUnit).unsafePerformIO
      try {
        r.read
        fail("should have thrown")
      } catch {
        case ioe: IOException => // ok
      }
    }

  }

}