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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Paul Phillips
*/
package scala.tools.partest
import scala.tools.nsc.Settings
import scala.tools.nsc.interpreter.ILoop
import scala.tools.partest.nest.FileUtil
import java.lang.reflect.{ Method => JMethod, Field => JField }
/** A trait for testing repl code. It drops the first line
* of output because the real repl prints a version number.
*/
abstract class ReplTest extends DirectTest {
// override to transform Settings object immediately before the finish
def transformSettings(s: Settings): Settings = s
// final because we need to enforce the existence of a couple settings.
final override def settings: Settings = {
val s = super.settings
// s.Yreplsync.value = true
s.Xnojline.value = true
transformSettings(s)
}
def eval() = {
val s = settings
log("eval(): settings = " + s)
ILoop.runForTranscript(code, s).lines drop 1
}
def show() = eval() foreach println
}
abstract class SessionTest extends ReplTest with FileUtil {
def session: String
override final def code = expected filter (_.startsWith(prompt)) map (_.drop(prompt.length)) mkString "\n"
def expected = session.stripMargin.lines.toList
final def prompt = "scala> "
override def show() = {
val out = eval().toList
if (out.size != expected.size) Console println s"Expected ${expected.size} lines, got ${out.size}"
if (out != expected) Console print compareContents(expected, out, "expected", "actual")
}
}
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