1 files changed, 49 insertions, 0 deletions
diff --git a/compiler/test/dotty/Properties.scala b/compiler/test/dotty/Properties.scala
new file mode 100644
index 000000000..70db82092
--- /dev/null
+++ b/compiler/test/dotty/Properties.scala
@@ -0,0 +1,49 @@
+package dotty
+
+/** Runtime properties from defines or environmnent */
+object Properties {
+
+  /** If property is unset or "TRUE" we consider it `true` */
+  private[this] def propIsNullOrTrue(prop: String): Boolean = {
+    val prop = System.getProperty("dotty.tests.interactive")
+    prop == null || prop == "TRUE"
+  }
+
+  /** Are we running on the Drone CI? */
+  val isRunByDrone: Boolean = sys.env.isDefinedAt("DRONE")
+
+  /** Tests should run interactive? */
+  val testsInteractive: Boolean = propIsNullOrTrue("dotty.tests.interactive")
+
+  /** Filter out tests not matching the regex supplied by "dotty.tests.filter"
+   *  define
+   */
+  val testsFilter: Option[String] = sys.props.get("dotty.tests.filter")
+
+  /** When set, the run tests are only compiled - not run, a warning will be
+   *  issued
+   */
+  val testsNoRun: Boolean = sys.props.get("dotty.tests.norun").isDefined
+
+  /** Should Unit tests run in safe mode?
+   *
+   *  For run tests this means that we respawn child JVM processes after each
+   *  test, so that they are never reused.
+   */
+  val testsSafeMode: Boolean = sys.props.isDefinedAt("dotty.tests.safemode")
+
+  /** Dotty compiler path provided through define */
+  def dottyCompiler: String = sys.props("dotty.tests.classes.compiler")
+
+  /** Dotty classpath extras provided through define */
+  def dottyExtras: List[String] =
+    Option(sys.props("dotty.tests.extraclasspath"))
+      .map(_.split(":").toList)
+      .getOrElse(Nil)
+
+  /** Dotty interfaces path provided through define */
+  def dottyInterfaces: String = sys.props("dotty.tests.classes.interfaces")
+
+  /** Dotty library path provided through define */
+  def dottyLib: String = sys.props("dotty.tests.classes.library")
+}