Merge pull request scala#4603 from lrytz/lambdaSpectest

SI-9373 Restore the test for t8960 with IndyLamba enabled

Author: adriaanm

test/files/run/t8960.scala

@@ -0,0 +1,78 @@
+object Test extends App {
+  def testAnonFunClass(o: AnyRef, sp: Boolean = false) = {
+    val isSpecialized      = o.getClass.getSuperclass.getName contains "$sp"
+    val isDelambdafyMethod = o.getClass.getName contains "$lambda$"
+    assert(
+      // delambdafy:method doesn't currently emit specialized anonymous function classes
+      if (sp) (isSpecialized || isDelambdafyMethod) else !isSpecialized,
+      o.getClass.getName)
+
+    val Some(f) = o.getClass.getDeclaredFields.find(_.getName == "serialVersionUID")
+    assert(f.getLong(null) == 0l)
+  }
+
+  def testIndyLambda(o: AnyRef, sp: Boolean = false) = {
+    val isSpecialized = o.getClass.getInterfaces.exists(_.getName contains "$sp")
+    assert(sp == isSpecialized, o.getClass.getName)
+  }
+
+
+  testIndyLambda(() => (), sp = true)
+  testIndyLambda(() => 1,  sp = true)
+  testIndyLambda(() => "")
+
+  testIndyLambda((x: Int) => x, sp = true)
+  testIndyLambda((x: Boolean) => x)
+  testIndyLambda((x: Int) => "")
+
+  testIndyLambda((x1: Int, x2: Int) => 0d, sp = true)
+  testIndyLambda((x1: Int, x2: AnyRef) => 0d)
+  testIndyLambda((x1: Any, x2: Any) => x1)
+
+  // scala> println((for (i <- 3 to 22) yield (for (j <- 1 to i) yield s"x$j: Int").mkString("  testIndyLambda((", ", ", ") => x1)")).mkString("\n"))
+
+  testIndyLambda((x1: Int, x2: Int, x3: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int) => x1)
+  testIndyLambda((x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int, x22: Int) => x1)
+
+  testAnonFunClass({
+    case x: Int => x
+  }: PartialFunction[Int, Int], sp = true)
+
+  testAnonFunClass({
+    case x: Int => x
+  }: PartialFunction[Any, Any])
+
+  testAnonFunClass({
+    case x: Int => ()
+  }: PartialFunction[Int, Unit], sp = true)
+
+  testAnonFunClass({
+    case x: String => 1
+  }: PartialFunction[String, Int])
+
+  testAnonFunClass({
+    case x: String => ()
+  }: PartialFunction[String, Unit])
+
+  testAnonFunClass({
+    case x: String => x
+  }: PartialFunction[String, String])
+}