assert more in enum-values-order test

Author: bishabosha

tests/run/enum-values-order.scala

@@ -1,8 +1,37 @@
 /** immutable hashmaps (as of 2.13 collections) only store up to 4 entries in insertion order */
 enum LatinAlphabet { case A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z }
 
+enum LatinAlphabet2 extends java.lang.Enum[LatinAlphabet2] { case A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z }
+
+enum LatinAlphabet3[+T] extends java.lang.Enum[LatinAlphabet3[_]] { case A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z }
+
 @main def Test =
-  import LatinAlphabet._
-  val ordered = Seq(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)
 
-  assert(ordered sameElements LatinAlphabet.values)
+  val ordinals = Seq(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
+  val labels = Seq("A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z")
+
+  def testLatin1() =
+    import LatinAlphabet._
+    val ordered = Seq(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)
+
+    assert(ordered sameElements LatinAlphabet.values)
+    assert(ordinals == ordered.map(_.ordinal))
+    assert(labels == ordered.map(_.productPrefix))
+
+  def testLatin2() =
+    import LatinAlphabet2._
+    val ordered = Seq(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)
+
+    assert(ordered sameElements LatinAlphabet2.values)
+    assert(ordinals == ordered.map(_.ordinal))
+    assert(labels == ordered.map(_.name))
+
+  def testLatin3() =
+    import LatinAlphabet3._
+    val ordered = Seq(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)
+
+    // assert(ordered sameElements LatinAlphabet3.values) // TODO: enable when .values exists on parameterized enums
+    assert(ordinals == ordered.map(_.ordinal))
+    assert(labels == ordered.map(_.name))
+
+  testLatin1()