Add more test cases

Author: KacperFKorban

tests/pos/contextbounds-for-poly-functions.scala

@@ -4,6 +4,9 @@ import scala.language.future
 trait Ord[X]:
   def compare(x: X, y: X): Int
 
+trait Show[X]:
+  def show(x: X): String
+
 val less1 = [X: Ord] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
 
 val less2 = [X: Ord as ord] => (x: X, y: X) => ord.compare(x, y) < 0
@@ -17,4 +20,12 @@ val less3: Comparer = [X: Ord as ord] => (x: X, y: X) => ord.compare(x, y) < 0
 // type Comparer2 = [X: Ord] => Cmp[X]
 // val less4: Comparer2 = [X: Ord] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
 
-val less5 = [X: [X] =>> Ord[X]] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
+val less5 = [X: [X] =>> Ord[X]] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
+
+val less6 = [X: {Ord, Show}] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
+
+val less7 = [X: {Ord as ord, Show}] => (x: X, y: X) => ord.compare(x, y) < 0
+
+val less8 = [X: {Ord, Show as show}] => (x: X, y: X) => summon[Ord[X]].compare(x, y) < 0
+
+val less9 = [X: {Ord as ord, Show as show}] => (x: X, y: X) => ord.compare(x, y) < 0