Test reduction of Tuple.Zip

scala · Nov 12, 2024 · 14bf406 · 14bf406
1 parent 995d63b
commit 14bf406
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/tests/pos/tuple-zip.scala b/tests/pos/tuple-zip.scala
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+
+import scala.Tuple.Zip
+
+type A
+type B
+type C
+
+def Test =
+
+  summon[Zip[A *: B *: C *: EmptyTuple, C *: B *: A *: EmptyTuple] =:= (A, C) *: (B, B) *: (C, A) *: EmptyTuple]
+
+  summon[Zip[A *: B *: EmptyTuple, C *: B *: A *: EmptyTuple] =:= (A, C) *: (B, B) *: EmptyTuple]
+  summon[Zip[A *: B *: C *: EmptyTuple, C *: B *: EmptyTuple] =:= (A, C) *: (B, B) *: EmptyTuple]
+
+  summon[Zip[A *: B *: C *: Tuple, C *: B *: A *: Tuple] =:= (A, C) *: (B, B) *: (C, A) *: Zip[Tuple, Tuple]]
+  summon[Zip[A *: B *: C *: Tuple, C *: B *: A *: Tuple] <:< (A, C) *: (B, B) *: (C, A) *: Tuple]
+
+  summon[Zip[A *: B *: Tuple, C *: B *: A *: Tuple] =:= (A, C) *: (B, B) *: Zip[Tuple, A *: Tuple]]
+  summon[Zip[A *: B *: NonEmptyTuple, C *: B *: A *: Tuple] =:= (A, C) *: (B, B) *: Zip[NonEmptyTuple, A *: Tuple]]
+  summon[Zip[A *: B *: EmptyTuple, C *: B *: A *: Tuple] =:= (A, C) *: (B, B) *: EmptyTuple]