add tests extracted from scalameta

Author: poechsel

semanticdb/input/src/main/scala/example/Access.scala

@@ -0,0 +1,11 @@
+package example
+
+class Access {
+  private def m1 = ???
+  private[this] def m2 = ???
+  private[Access] def m3 = ???
+  protected def m4 = ???
+  protected[this] def m5 = ???
+  protected[example] def m6 = ???
+  def m7 = ???
+}

semanticdb/input/src/main/scala/example/Advanced.scala

@@ -0,0 +1,39 @@
+package example
+
+import scala.language.existentials
+import scala.language.higherKinds
+import scala.language.reflectiveCalls
+
+class AdvC[T] {
+  def t: T = ???
+}
+
+class Structural {
+  def s1: { val x: Int } = ???
+  def s2 = new { val x: Int = ??? }
+  def s3 = new { def m(x: Int): Int = ??? }
+}
+
+class Existential {
+  def e1: List[_] = ???
+}
+
+class AdvD[CC[B]] extends AdvC[CC[B]]
+
+object AdvTest {
+  val s = new Structural
+  val s1 = s.s1
+  val s2 = s.s2
+  val s3 = s.s3
+
+  val e = new Existential
+  val e1 = e.e1
+  val e1x = e.e1.head
+  locally {
+    (??? : Any) match {
+      case e3: List[_] =>
+        val e3x = e3.head
+        ()
+    }
+  }
+}

semanticdb/input/src/main/scala/example/Anonymous.scala

@@ -0,0 +1,18 @@
+package example
+import scala.language.higherKinds
+
+class Anonymous {
+  this: Anonymous =>
+
+  def m1[T[_], B] = ???
+  def m2: Map[_, List[_]] = ???
+  locally {
+    ??? match { case _: List[_] => }
+  }
+  locally {
+    val x: Int => Int = _ => ???
+  }
+
+  trait Foo
+  var x = new Foo {}
+}

semanticdb/input/src/main/scala/example/Classes.scala

@@ -0,0 +1,33 @@
+package example
+
+class C1(val x1: Int) extends AnyVal
+
+class C2(val x2: Int) extends AnyVal
+object C2
+
+case class C3(x: Int)
+
+case class C4(x: Int)
+object C4
+
+object M {
+  implicit class C5(x: Int)
+}
+
+case class C6(private val x: Int)
+
+class C7(x: Int)
+
+class C8(private[this] val x: Int)
+
+class C9(private[this] var x: Int)
+
+object N {
+  val anonClass = new C7(42) {
+    val local = ???
+  }
+  val anonFun = List(1).map { i =>
+    val local = 2
+    local + 2
+  }
+}

semanticdb/input/src/main/scala/example/Empty.scala

@@ -0,0 +1,9 @@
+package example
+
+class AdvA {
+  def b: AdvB = ???
+}
+
+class AdvB {
+  def a: AdvA = ???
+}

semanticdb/input/src/main/scala/example/EmptyObject.scala

@@ -0,0 +1,3 @@
+package example
+
+object EmptyObject {}

semanticdb/input/src/main/scala/example/Example2.scala

@@ -0,0 +1,11 @@
+package example
+
+import scala.concurrent.Future
+
+object OExample { self =>
+  new scala.collection.mutable.Stack[Int]()
+  def main(args: Array[String]): Unit = {
+    println(1)
+  }
+  val x = scala.reflect.classTag[Int]
+}

semanticdb/input/src/main/scala/example/Exclude.scala

@@ -0,0 +1,4 @@
+package example
+
+// This class should be excluded by semanticdb.
+class Exclude

semanticdb/input/src/main/scala/example/Flags.scala

@@ -0,0 +1,24 @@
+package example
+
+package object p {
+  private lazy val x = 1
+  protected implicit var y: Int = 2
+  def z(pp: Int) = 3
+  def m[TT] = ???
+  abstract class C[+T, -U, V](x: T, y: U, z: V) {
+    def this() = this(???, ???, ???)
+    def w: Int
+  }
+  type T1 = Int
+  type T2[T] = S[T]
+  type U <: Int
+  type V >: Int
+  case object X
+  final class Y
+  sealed trait Z
+  class AA(x: Int, val y: Int, var z: Int)
+  class S[@specialized T]
+  val List(xs1) = ???
+  ??? match { case List(xs2) => ??? }
+  ??? match { case _: List[t] => ??? }
+}

semanticdb/input/src/main/scala/example/Imports.scala

@@ -0,0 +1 @@
+import scala.util.control.NonFatal