add a test for the new error message

arainko · arainko · commit ffac87d3e942 · 2024-08-05T21:13:40.000+02:00
diff --git a/tests/neg/i15987.check b/tests/neg/i15987.check
@@ -0,0 +1,5 @@
+-- Error: tests/neg/i15987.scala:26:40 ---------------------------------------------------------------------------------
+26 |case class Person(name: String) derives ShowWithExplicit, // error
+   |                                        ^
+   |                                    derived instance ShowWithExplicit[Person] failed to generate:
+   |                                    method `derived` from object ShowWithExplicit takes explicit term parameters
diff --git a/tests/neg/i15987.scala b/tests/neg/i15987.scala
@@ -1,5 +1,3 @@
-import scala.language.experimental.clauseInterleaving
-
 trait ShowWithExplicit[A]
 
 object ShowWithExplicit:
diff --git a/tests/neg/i15987/DerivedIssue.check b/tests/neg/i15987/DerivedIssue.check

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-import scala.language.experimental.clauseInterleaving`
`2`		`-`
`3`	`1`	`trait ShowWithExplicit[A]`
`4`	`2`
`5`	`3`	`object ShowWithExplicit:`