1 files changed, 53 insertions, 0 deletions
diff --git a/tests/pos/Fileish.scala b/tests/pos/Fileish.scala
new file mode 100644
index 000000000..d226bb0bd
--- /dev/null
+++ b/tests/pos/Fileish.scala
@@ -0,0 +1,53 @@
+// Inspired by the original Fileish,
+// testing combinations of lazy and non-lazy vals for their treatment in constructors
+package dotty.tools
+package io
+
+import java.io.{ InputStream }
+import java.util.jar.JarEntry
+import language.postfixOps
+
+/** A common interface for File-based things and Stream-based things.
+ *  (In particular, io.File and JarEntry.)
+ */
+class Fileish(val path: Path, val input: () => InputStream) extends Streamable.Chars {
+  def inputStream() = input()
+
+  def parent       = path.parent
+  def name         = path.name
+  def isSourceFile = path.hasExtension("java", "scala")
+
+  private lazy val pkgLines = lines() collect { case x if x startsWith "package " => x stripPrefix "package" trim }
+  lazy val pkgFromPath      = parent.path.replaceAll("""[/\\]""", ".")
+  lazy val pkgFromSource    = pkgLines map (_ stripSuffix ";") mkString "."
+
+  override def toString = path.path
+}
+class Fileish2(val path: Path, val input: () => InputStream) extends Streamable.Chars {
+  def inputStream() = input()
+
+  def parent       = path.parent
+  def name         = path.name
+  def isSourceFile = path.hasExtension("java", "scala")
+
+  private val pkgLines = lines() collect { case x if x startsWith "package " => x stripPrefix "package" trim }
+  lazy val pkgFromPath      = parent.path.replaceAll("""[/\\]""", ".")
+  lazy val pkgFromSource    = pkgLines map (_ stripSuffix ";") mkString "."
+
+  override def toString = path.path
+}
+
+class Fileish3(val path: Path, val input: () => InputStream) extends Streamable.Chars {
+  def inputStream() = input()
+
+  def parent       = path.parent
+  def name         = path.name
+  def isSourceFile = path.hasExtension("java", "scala")
+
+  private val pkgLines = lines() collect { case x if x startsWith "package " => x stripPrefix "package" trim }
+  private val pkgFromPath      = parent.path.replaceAll("""[/\\]""", ".")
+  private val pkgFromSource    = pkgLines map (_ stripSuffix ";") mkString "."
+
+  override def toString = path.path
+}
+