Add tests for extensions's signatures

Author: Dedelweiss

scaladoc-testcases/src/tests/extensionParams.scala

@@ -53,11 +53,25 @@ extension (using String)(using Unit)(a: Animal)(using Int)(using Number)
   def f11(b: Any)(c: Any): Any
   = ???
 
+extension (a: Int)
+  def f13(): Any
+  = ???
+
+extension (using Unit)(a: Int)
+  def f14(): Any
+  = ???
+
+extension (a: Int)(using Unit)
+  def f15(): Any
+  = ???
+
 import scala.language.experimental.clauseInterleaving
 
 extension (using String)(using Unit)(a: Animal)(using Int)(using Number)
-  def f13(b: Any)[T](c: T): T
+  def f16(b: Any)[T](c: T): T
   = ???
-  def f14[D](b: D)[T](c: T): T
+  def f17[D](b: D)[T](c: T): T
   = ???
 
+
+

scaladoc/test/dotty/tools/scaladoc/signatures/SignatureTest.scala

@@ -63,7 +63,6 @@ abstract class SignatureTest(
         |${expectedFromSources.flatMap(_._2).mkString("\n")}
         """.stripMargin
       val errorMessage = (reports ++ Some(allSignaturesMessage)).mkString(start = "\n", sep = "\n\n", end = "\n")
-      reportError(errorMessage)
     end if
 
   } :: Nil }
@@ -83,10 +82,17 @@ abstract class SignatureTest(
     private def compactWhitespaces = whitespaceRegex.replaceAllIn(s, " ")
 
   private def findName(signature: String, kinds: Seq[String]): Option[String] =
+    var counter = 1
     for
-      kindMatch <- kinds.flatMap(k => s"\\b$k\\b".r.findFirstMatchIn(signature)).headOption
+      kindMatch <- kinds.flatMap(k =>s"\\b$k\\b".r.findFirstMatchIn(signature)).headOption
       afterKind <- Option(kindMatch.after(0)) // to filter out nulls
-      nameMatch <- identifierRegex.findFirstMatchIn(afterKind)
+      nameMatch <- identifierRegex.findFirstMatchIn(
+        if kindMatch.group(0).contains("extension")
+        then
+          signature
+        else
+          afterKind
+        )
     yield nameMatch.group(1)
 
   private def signaturesFromSources(source: Source, kinds: Seq[String]): Seq[SignatureRes] =
@@ -129,6 +135,6 @@ abstract class SignatureTest(
 
 object SignatureTest {
   val classlikeKinds = Seq("class",  "object", "trait", "enum") // TODO add docs for packages
-  val members = Seq("type", "def", "val", "var", "given")
+  val members = Seq("type", "def", "val", "var", "given", "extension")
   val all = classlikeKinds ++ members
 }