newer Scala, sbt, ScalaTest

.travis.yml

@@ -6,8 +6,8 @@ language: scala
 
 scala:
   - 2.11.12
-  - 2.12.10
-  - 2.13.1
+  - 2.12.11
+  - 2.13.3
 
 env:
   - ADOPTOPENJDK=8
@@ -20,6 +20,5 @@ script: ./build.sh
 
 notifications:
   email:
-    - adriaan.moors@lightbend.com
     - seth.tisue@lightbend.com
     - andy@hicks.net

build.sbt

@@ -6,12 +6,15 @@ lazy val swing = project.in(file("."))
     OsgiKeys.exportPackage := Seq(s"scala.swing.*;version=${version.value}"),
     scalaModuleMimaPreviousVersion := Some("2.1.0"),
     // set the prompt (for this build) to include the project id.
-    shellPrompt in ThisBuild := { state => Project.extract(state).currentRef.project + "> " },
-    libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.8" % Test,
+    ThisBuild / shellPrompt := { state => Project.extract(state).currentRef.project + "> " },
+    libraryDependencies ++= Seq(
+      "org.scalatest" %% "scalatest-flatspec" % "3.2.0" % Test,
+      "org.scalatest" %% "scalatest-shouldmatchers" % "3.2.0" % Test,
+    ),
     // Adds a `src/main/scala-2.13+` source directory for Scala 2.13 and newer
     // and  a `src/main/scala-2.13-` source directory for Scala version older than 2.13
-    unmanagedSourceDirectories in Compile += {
-      val sourceDir = (sourceDirectory in Compile).value
+    Compile / unmanagedSourceDirectories += {
+      val sourceDir = (Compile / sourceDirectory).value
       CrossVersion.partialVersion(scalaVersion.value) match {
         case Some((2, n)) if n >= 13 => sourceDir / "scala-2.13+"
         case _                       => sourceDir / "scala-2.13-"
@@ -22,15 +25,15 @@ lazy val swing = project.in(file("."))
 lazy val examples = project.in(file("examples"))
   .dependsOn(swing)
   .settings(
-    scalaVersion := (scalaVersion in swing).value,
-    fork in run := true,
+    scalaVersion := (swing / scalaVersion).value,
+    run / fork := true,
     fork := true
   )
 
 lazy val uitest = project.in(file("uitest"))
   .dependsOn(swing)
   .settings(
-    scalaVersion := (scalaVersion in swing).value,
-    fork in run := true,
+    scalaVersion := (swing / scalaVersion).value,
+    run / fork := true,
     fork := true
   )

project/build.properties

@@ -1 +1 @@
-sbt.version=1.3.7
+sbt.version=1.3.13

src/test/scala/scala/swing/Issue73.scala

@@ -1,8 +1,9 @@
 package scala.swing
 
-import org.scalatest.{FlatSpec, Matchers}
+import org.scalatest.flatspec.AnyFlatSpec
+import org.scalatest.matchers.should.Matchers
 
-class Issue73 extends FlatSpec with Matchers {
+class Issue73 extends AnyFlatSpec with Matchers {
   "Enumerations" should "not contain duplicate ids" in {
     // the initializers of any of these will through an
     // assertion error if an enumeration `Value` id is used twice.

src/test/scala/scala/swing/Issue97.scala

@@ -2,15 +2,16 @@ package scala.swing
 
 import java.util.concurrent.TimeUnit
 
-import org.scalatest.{FlatSpec, Matchers}
+import org.scalatest.flatspec.AnyFlatSpec
+import org.scalatest.matchers.should.Matchers
 
 import scala.concurrent.duration.Duration
 import scala.concurrent.{Await, Future, Promise}
 import scala.swing.event.{UIElementHidden, UIElementMoved, UIElementResized, UIElementShown}
 import scala.util.control.NonFatal
 
 // Note: `AsyncFlatSpec` has issues with swallowing errors and returning early.
-class Issue97 extends FlatSpec with Matchers {
+class Issue97 extends AnyFlatSpec with Matchers {
   case class Count(shown: Int = 0, hidden: Int = 0, moved: Int = 0, resized: Int = 0)
 
   def countEvents(): Future[Count] = {