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Pending and passing tests.

  Move now-passing SI-963 test into neg.
  Test for partial specialization.
  Pending test for SI-5008.
  Pending test for SI-4649.
  Abstract array type test.
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paulp committed May 11, 2012
1 parent 0d7952f commit 402b5e4a1341ef4549b7e0979f9c5afc06f47315
@@ -0,0 +1,6 @@
+t963b.scala:25: error: type mismatch;
+ found : B.type
+ required: AnyRef{val y: A}
+ B.f(B)
+ ^
+one error found
@@ -5,8 +5,8 @@ trait A {
}
object B {
- def f(x : { val y : A }) { x.y.v = x.y.v }
-
+ def f(x : { val y : A }) { x.y.v = x.y.v }
+
var a : A = _
var b : Boolean = false
def y : A = {
@@ -21,6 +21,6 @@ object B {
}
}
-object Test extends Application {
+object Test extends App {
B.f(B)
}
@@ -0,0 +1,11 @@
+trait Foo {
+ type Repr <: String
+ def f2(x: Repr) = x.length
+}
+trait Fooz[Repr <: Array[_]] {
+ def f0(x: Repr) = x.length
+}
+
+trait Bar[Repr <: List[_]] extends Foo with Fooz[Array[Int]] {
+ def f1(x: Repr) = x.length
+}
@@ -0,0 +1,165 @@
+// These are members of class bar.C, completely unrelated to class foo.A.
+// The types shown below include types defined within foo.A which are:
+//
+// - qualified private
+// - qualified protected
+// - object protected
+//
+// val a : foo.A = { /* compiled code */ }
+// val xprot1 : java.lang.Object with foo.A.FooProt1 = { /* compiled code */ }
+// val xprot2 : java.lang.Object with foo.A.FooProt2 = { /* compiled code */ }
+// val xprot3 : java.lang.Object with foo.A.FooProt3 = { /* compiled code */ }
+// val xprot4 : java.lang.Object with foo.A.FooProt4 = { /* compiled code */ }
+// val xpriv3 : java.lang.Object with foo.A.FooPriv3 = { /* compiled code */ }
+// val xpriv4 : java.lang.Object with foo.A.FooPriv4 = { /* compiled code */ }
+//
+// Indeed it will tell me a type which I cannot access:
+//
+// scala> new bar.C
+// res0: bar.C = bar.C@1339a0dc
+//
+// scala> res0.xpriv3
+// res1: java.lang.Object with res0.a.FooPriv3 = bar.C$$anon$29@39556aec
+//
+// scala> new res0.a.FooPriv3
+// <console>:9: error: trait FooPriv3 in class A cannot be accessed in foo.A
+// new res0.a.FooPriv3
+// ^
+// Looking at how the compiler prints the types of those vals, one
+// develops a suspicion how some of it is being allowed:
+//
+// val xpriv4: C.this.a.FooPriv4
+// val xpriv3: C.this.a.FooPriv3
+// val xprot4: C.this.a.FooProt4
+// val xprot3: C.this.a.FooProt3
+// val xprot2: C.this.a.FooProt2
+// val xprot1: C.this.a.FooProt1
+//
+// That is, "this" is in the prefix somewhere, it's just not a "this"
+// which has any bearing.
+
+package foo {
+ class A {
+ trait Foo
+
+ protected trait FooProt1
+ protected[this] trait FooProt2
+ protected[foo] trait FooProt3
+ protected[A] trait FooProt4
+
+ private trait FooPriv1
+ private[this] trait FooPriv2
+ private[foo] trait FooPriv3
+ private[A] trait FooPriv4
+
+ type BarProt1 = FooProt1
+ type BarProt2 = FooProt2
+ type BarProt3 = FooProt3
+ type BarProt4 = FooProt4
+
+ // type BarPriv1 = FooPriv1
+ // type BarPriv2 = FooPriv2
+ type BarPriv3 = FooPriv3
+ type BarPriv4 = FooPriv4
+
+ def fprot1(x: FooProt1) = x
+ def fprot2(x: FooProt2) = x
+ def fprot3(x: FooProt3) = x
+ def fprot4(x: FooProt4) = x
+
+ // def fpriv1(x: FooPriv1) = x
+ // def fpriv2(x: FooPriv2) = x
+ def fpriv3(x: FooPriv3) = x
+ def fpriv4(x: FooPriv4) = x
+
+ val yprot1 = new FooProt1 { }
+ val yprot2 = new FooProt2 { }
+ val yprot3 = new FooProt3 { }
+ val yprot4 = new FooProt4 { }
+
+ // val ypriv1 = new FooPriv1 { }
+ // val ypriv2 = new FooPriv2 { }
+ val ypriv3 = new FooPriv3 { }
+ val ypriv4 = new FooPriv4 { }
+
+ def fpriv_alt1(x: FooPriv1) = 0 // !!! isn't the private type now in the signature of the (public) method?
+ def fpriv_alt2(x: FooPriv2) = 0 // !!! isn't the private[this] type now in the signature of the (public) method?
+ }
+ // Same package, subclass
+ class B extends A {
+ val xprot1 = new BarProt1 { }
+ val xprot2 = new BarProt2 { }
+ val xprot3 = new BarProt3 { }
+ val xprot4 = new BarProt4 { }
+
+ // val xpriv1 = new BarPriv1 { }
+ // val xpriv2 = new BarPriv2 { }
+ val xpriv3 = new BarPriv3 { }
+ val xpriv4 = new BarPriv4 { }
+
+ override def fprot1(x: BarProt1) = x
+ override def fprot2(x: BarProt2) = x
+ override def fprot3(x: BarProt3) = x
+ override def fprot4(x: BarProt4) = x
+
+ // override def fpriv1(x: BarPriv1) = x
+ // override def fpriv2(x: BarPriv2) = x
+ override def fpriv3(x: BarPriv3) = x
+ override def fpriv4(x: BarPriv4) = x
+ }
+ // Same package, unrelated class
+ class C {
+ val a = new A
+ import a._
+
+ val xprot1 = new BarProt1 { }
+ val xprot2 = new BarProt2 { }
+ val xprot3 = new BarProt3 { }
+ val xprot4 = new BarProt4 { }
+
+ // val xpriv1 = new BarPriv1 { }
+ // val xpriv2 = new BarPriv2 { }
+ val xpriv3 = new BarPriv3 { }
+ val xpriv4 = new BarPriv4 { }
+ }
+}
+
+package bar {
+ // Different package, subclass
+ class B extends foo.A {
+ val xprot1 = new BarProt1 { }
+ val xprot2 = new BarProt2 { }
+ val xprot3 = new BarProt3 { }
+ val xprot4 = new BarProt4 { }
+
+ // val xpriv1 = new BarPriv1 { }
+ // val xpriv2 = new BarPriv2 { }
+ val xpriv3 = new BarPriv3 { }
+ val xpriv4 = new BarPriv4 { }
+
+ override def fprot1(x: BarProt1) = x
+ override def fprot2(x: BarProt2) = x
+ override def fprot3(x: BarProt3) = x
+ override def fprot4(x: BarProt4) = x
+
+ // override def fpriv1(x: BarPriv1) = x
+ // override def fpriv2(x: BarPriv2) = x
+ override def fpriv3(x: BarPriv3) = x
+ override def fpriv4(x: BarPriv4) = x
+ }
+ // Different package, unrelated class
+ class C {
+ val a = new foo.A
+ import a._
+
+ val xprot1 = new BarProt1 { }
+ val xprot2 = new BarProt2 { }
+ val xprot3 = new BarProt3 { }
+ val xprot4 = new BarProt4 { }
+
+ // val xpriv1 = new BarPriv1 { }
+ // val xpriv2 = new BarPriv2 { }
+ val xpriv3 = new BarPriv3 { }
+ val xpriv4 = new BarPriv4 { }
+ }
+}
@@ -0,0 +1 @@
+-Xfatal-warnings
@@ -0,0 +1,6 @@
+object Test {
+ // @annotation.tailrec
+ def lazyFilter[E](s: Stream[E], p: E => Boolean): Stream[E] = s match {
+ case h #:: t => if (p(h)) h #:: lazyFilter(t, p) else lazyFilter(t, p)
+ }
+}
@@ -0,0 +1,13 @@
+Fn$mcII$sp
+Fn$mcLI$sp
+Fn$mcLI$sp
+Fn$mcIL$sp
+Fn
+Fn
+Fn$mcIL$sp
+Fn
+Fn
+Fn3
+Fn3$mcLIDF$sp
+Fn3$mcBIDF$sp
+Fn3
@@ -0,0 +1,31 @@
+class Fn[@specialized(Int, AnyRef) -T, @specialized(Int, AnyRef) +R] {
+ override def toString = getClass.getName
+}
+
+class Fn3[
+ @specialized(Int, AnyRef) -T1,
+ @specialized(Double, AnyRef) -T2,
+ @specialized(Float) -T3,
+ @specialized(Byte, AnyRef) +R
+] {
+ override def toString = getClass.getName
+}
+
+object Test {
+ def main(args: Array[String]): Unit = {
+ println(new Fn[Int, Int])
+ println(new Fn[Int, Byte])
+ println(new Fn[Int, AnyRef])
+ println(new Fn[Byte, Int])
+ println(new Fn[Byte, Byte])
+ println(new Fn[Byte, AnyRef])
+ println(new Fn[AnyRef, Int])
+ println(new Fn[AnyRef, Byte])
+ println(new Fn[AnyRef, AnyRef])
+
+ println(new Fn3[Int, Int, Int, Int])
+ println(new Fn3[Int, Double, Float, Int])
+ println(new Fn3[Int, Double, Float, Byte])
+ println(new Fn3[AnyRef, Double, AnyRef, Int])
+ }
+}

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