Tests added for enum java compat API

Author: anatoliykmetyuk

tests/run/enums-java-compat.check

@@ -0,0 +1,10 @@
+name:     EARTH
+ordinal:  0
+toString: EARTH
+Values class: class [LA;
+MONDAY : 0
+TUESDAY : 1
+SATURDAY : 2
+Stuff : 3
+By-name value: MONDAY
+Correctly failed to retrieve illegal name, message: key not found: stuff

tests/run/enums-java-compat/Enums.scala

@@ -0,0 +1,22 @@
+class JEnum {
+  def name: String = "Foo"
+  def ordinal: Int = 10
+  def action = "fofofo"
+}
+
+enum A extends JEnum {
+  case MONDAY, TUESDAY, SATURDAY
+  case Stuff
+  case Someday(x: String)
+  def report = "Reported"
+}
+
+trait Foo1
+trait Bar
+
+enum B(val gravity: Double)(val isItGood: Boolean) extends Foo1 {
+  case EARTH extends B(9.8)(true)
+  case JUPITER extends B(100)(true)
+  case MOON extends B(4.3)(true)
+  case Foo extends B(10)(true) with Bar
+}

tests/run/enums-java-compat/Test.scala

@@ -0,0 +1,19 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    val t1 = B.EARTH
+    val t2 = B.JUPITER
+
+    println("name:     " + t1.name)
+    println("ordinal:  " + t1.ordinal)
+    println("toString: " + t1.toString)
+
+    val values: Array[A] = A.values
+    println("Values class: " + values.getClass)
+    values.foreach(v => println(v.name + " : " + v.ordinal))
+    println("By-name value: " + A.valueOf("MONDAY"))
+    try A.valueOf("stuff")
+    catch { case e: IllegalArgumentException =>
+      println("Correctly failed to retrieve illegal name, message: " + e.getMessage)
+    }
+  }
+}