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package scala.async
package neg
/**
* Copyright (C) 2012 Typesafe Inc. <http://www.typesafe.com>
*/
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
import org.junit.Test
@RunWith(classOf[JUnit4])
class LocalClasses0Spec {
@Test
def `reject a local class`() {
expectError("Local class Person illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| case class Person(name: String)
| }
""".stripMargin
}
}
@Test
def `reject a local class 2`() {
expectError("Local class Person illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.{Future, ExecutionContext}
| import ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| case class Person(name: String)
| val fut = Future { 5 }
| val x = await(fut)
| x
| }
""".stripMargin
}
}
@Test
def `reject a local class 3`() {
expectError("Local class Person illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.{Future, ExecutionContext}
| import ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| val fut = Future { 5 }
| val x = await(fut)
| case class Person(name: String)
| x
| }
""".stripMargin
}
}
@Test
def `reject a local class with symbols in its name`() {
expectError("Local class :: illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.{Future, ExecutionContext}
| import ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| val fut = Future { 5 }
| val x = await(fut)
| case class ::(name: String)
| x
| }
""".stripMargin
}
}
@Test
def `reject a nested local class`() {
expectError("Local class Person illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.{Future, ExecutionContext}
| import ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| val fut = Future { 5 }
| val x = 2 + 2
| var y = 0
| if (x > 0) {
| case class Person(name: String)
| y = await(fut)
| } else {
| y = x
| }
| y
| }
""".stripMargin
}
}
@Test
def `reject a local singleton object`() {
expectError("Local object Person illegal within `async` block", "-cp target/scala-2.10/classes -deprecation -Xfatal-warnings") {
"""
| import scala.concurrent.ExecutionContext.Implicits.global
| import scala.async.Async._
|
| async {
| object Person { val name = "Joe" }
| }
""".stripMargin
}
}
}
|