Add tests for coverage filters

Author: KacperFKorban

Diff for: .gitignore

@@ -99,7 +99,3 @@ docs/_spec/.jekyll-metadata
 
 # scaladoc related
 scaladoc/output/
-
-#coverage
-coverage/
-

Diff for: compiler/src/dotty/tools/dotc/config/ScalaSettings.scala

@@ -127,8 +127,8 @@ trait CommonScalaSettings:
 
   /* Coverage settings */
   val coverageOutputDir = PathSetting("-coverage-out", "Destination for coverage classfiles and instrumentation data.", "", aliases = List("--coverage-out"))
-  val coverageExcludePackages: Setting[List[String]] = MultiStringSetting("-coverage-exclude-packages", "packages", "Semicolon separated list of regexes for packages to exclude from coverage.", aliases = List("--coverage-exclude-packages"))
-  val coverageExcludeFiles: Setting[List[String]] = MultiStringSetting("-coverage-exclude-files", "files", "Semicolon separated list of regexes for files to exclude from coverage.", aliases = List("--coverage-exclude-files"))
+  val coverageExcludePackages: Setting[List[String]] = MultiStringSetting("-coverage-exclude-packages", "packages", "List of regexes for packages to exclude from coverage.", aliases = List("--coverage-exclude-packages"))
+  val coverageExcludeFiles: Setting[List[String]] = MultiStringSetting("-coverage-exclude-files", "files", "List of regexes for files to exclude from coverage.", aliases = List("--coverage-exclude-files"))
 
   /* Other settings */
   val encoding: Setting[String] = StringSetting("-encoding", "encoding", "Specify character encoding used by source files.", Properties.sourceEncoding, aliases = List("--encoding"))

Diff for: tests/coverage/pos/ExcludeClass.scala

@@ -0,0 +1,19 @@
+//> using options -coverage-exclude-packages:covtest.Klass
+
+package covtest
+
+class Klass {
+  def abs(i: Int) =
+    if i > 0 then
+      i
+    else
+      -i
+}
+
+class Klass2 {
+  def abs(i: Int) =
+    if i > 0 then
+      i
+    else
+      -i
+}

Diff for: tests/coverage/pos/ExcludeClass.scoverage.check

@@ -0,0 +1,71 @@
+# Coverage data, format version: 3.0
+# Statement data:
+# - id
+# - source path
+# - package name
+# - class name
+# - class type (Class, Object or Trait)
+# - full class name
+# - method name
+# - start offset
+# - end offset
+# - line number
+# - symbol name
+# - tree name
+# - is branch
+# - invocations count
+# - is ignored
+# - description (can be multi-line)
+# '' sign
+# ------------------------------------------
+0
+ExcludeClass.scala
+covtest
+Klass2
+Class
+covtest.Klass2
+abs
+217
+218
+16
+i
+Ident
+true
+0
+false
+i
+
+1
+ExcludeClass.scala
+covtest
+Klass2
+Class
+covtest.Klass2
+abs
+234
+236
+18
+unary_-
+Select
+true
+0
+false
+-i
+
+2
+ExcludeClass.scala
+covtest
+Klass2
+Class
+covtest.Klass2
+abs
+175
+182
+14
+abs
+DefDef
+false
+0
+false
+def abs
+

Diff for: tests/coverage/pos/ExcludeDef.scala

@@ -0,0 +1,9 @@
+//> using options -coverage-exclude-packages:covtest\..*
+
+package covtest
+
+def abs(i: Int) =
+  if i > 0 then
+    i
+  else
+    -i

Diff for: tests/coverage/pos/ExcludeDef.scoverage.check

@@ -0,0 +1,20 @@
+# Coverage data, format version: 3.0
+# Statement data:
+# - id
+# - source path
+# - package name
+# - class name
+# - class type (Class, Object or Trait)
+# - full class name
+# - method name
+# - start offset
+# - end offset
+# - line number
+# - symbol name
+# - tree name
+# - is branch
+# - invocations count
+# - is ignored
+# - description (can be multi-line)
+# '' sign
+# ------------------------------------------

Diff for: tests/coverage/pos/ExcludeFile.scala

@@ -0,0 +1,11 @@
+//> using options -coverage-exclude-files:.*ExcludeFile
+
+package covtest
+
+class Klass {
+  def abs(i: Int) =
+    if i > 0 then
+      i
+    else
+      -i
+}

Diff for: tests/coverage/pos/ExcludeFile.scoverage.check

@@ -0,0 +1,20 @@
+# Coverage data, format version: 3.0
+# Statement data:
+# - id
+# - source path
+# - package name
+# - class name
+# - class type (Class, Object or Trait)
+# - full class name
+# - method name
+# - start offset
+# - end offset
+# - line number
+# - symbol name
+# - tree name
+# - is branch
+# - invocations count
+# - is ignored
+# - description (can be multi-line)
+# '' sign
+# ------------------------------------------

Diff for: tests/coverage/pos/ExcludeOtherStuff.scala

@@ -0,0 +1,15 @@
+//> using options -coverage-exclude-packages:covtest.Oject,covtest.Tait
+
+package covtest
+
+object Oject {
+  def abs(i: Int) =
+    if i > 0 then
+      i
+    else
+      -i
+}
+
+trait Tait {
+  def abs(i: Int): Int
+}

Diff for: tests/coverage/pos/ExcludeOtherStuff.scoverage.check

@@ -0,0 +1,20 @@
+# Coverage data, format version: 3.0
+# Statement data:
+# - id
+# - source path
+# - package name
+# - class name
+# - class type (Class, Object or Trait)
+# - full class name
+# - method name
+# - start offset
+# - end offset
+# - line number
+# - symbol name
+# - tree name
+# - is branch
+# - invocations count
+# - is ignored
+# - description (can be multi-line)
+# '' sign
+# ------------------------------------------

Diff for: tests/coverage/pos/ExcludePackage.scala

@@ -0,0 +1,11 @@
+//> using options -coverage-exclude-packages:covtest
+
+package covtest
+
+class Klass {
+  def abs(i: Int) =
+    if i > 0 then
+      i
+    else
+      -i
+}

Diff for: tests/coverage/pos/ExcludePackage.scoverage.check

@@ -0,0 +1,20 @@
+# Coverage data, format version: 3.0
+# Statement data:
+# - id
+# - source path
+# - package name
+# - class name
+# - class type (Class, Object or Trait)
+# - full class name
+# - method name
+# - start offset
+# - end offset
+# - line number
+# - symbol name
+# - tree name
+# - is branch
+# - invocations count
+# - is ignored
+# - description (can be multi-line)
+# '' sign
+# ------------------------------------------