1 files changed, 70 insertions, 0 deletions
diff --git a/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/util/DirectTest.scala b/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/util/DirectTest.scala
new file mode 100644
index 0000000..8289129
--- /dev/null
+++ b/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/util/DirectTest.scala
@@ -0,0 +1,70 @@
+package scala.scalajs.compiler.test.util
+
+import scala.tools.nsc._
+import reporters.{Reporter, ConsoleReporter}
+import scala.reflect.internal.util.{ SourceFile, BatchSourceFile }
+
+import scala.scalajs.compiler.ScalaJSPlugin
+
+import scala.collection.mutable
+
+/** This is heavily inspired by scala's partest suite's DirectTest */
+abstract class DirectTest {
+
+  /** these arguments are always added to the args passed to newSettings */
+  def extraArgs: List[String] = Nil
+
+  /** create settings objects for test from arg string */
+  def newSettings(args: List[String]) = {
+    val s = new Settings
+    s processArguments (args, true)
+    s
+  }
+
+  def newScalaJSCompiler(args: String*): Global = {
+    val settings = newSettings(
+        List(
+            "-d", testOutputPath,
+            "-bootclasspath", scalaLibPath,
+            "-classpath", scalaJSLibPath) ++
+        extraArgs ++ args.toList)
+
+    lazy val global: Global = new Global(settings, newReporter(settings)) {
+      override lazy val plugins = newScalaJSPlugin(global) :: Nil
+    }
+
+    global
+  }
+
+  def newScalaJSPlugin(global: Global): ScalaJSPlugin =
+    new ScalaJSPlugin(global)
+
+  def newReporter(settings: Settings) = new ConsoleReporter(settings)
+
+  def newSources(codes: String*) = codes.toList.zipWithIndex map {
+    case (src, idx) => new BatchSourceFile(s"newSource${idx + 1}.scala", src)
+  }
+
+  def withRun[T](global: Global)(f: global.Run => T): T = {
+    global.reporter.reset()
+    f(new global.Run)
+  }
+
+  def compileSources(global: Global)(sources: SourceFile*): Boolean = {
+    withRun(global)(_ compileSources sources.toList)
+    !global.reporter.hasErrors
+  }
+
+  def compileString(global: Global)(sourceCode: String): Boolean =
+    compileSources(global)(newSources(sourceCode): _*)
+
+  def compileString(sourceCode: String): Boolean =
+    compileString(defaultGlobal)(sourceCode)
+
+  lazy val defaultGlobal = newScalaJSCompiler()
+
+  def testOutputPath = sys.props("scala.scalajs.compiler.test.output")
+  def scalaJSLibPath = sys.props("scala.scalajs.compiler.test.scalajslib")
+  def scalaLibPath   = sys.props("scala.scalajs.compiler.test.scalalib")
+
+}