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author | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2014-09-23 11:17:59 +0200 |
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committer | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2014-09-23 11:17:59 +0200 |
commit | 857cd4839c872d229994c9d27bb06ef866dad93d (patch) | |
tree | 4e08b10dd80d119a6f3f0ac27645681dd491ddb9 /tests | |
parent | 0a515fca98408d63267c27003e1ef12fd9946aa0 (diff) | |
download | dotty-857cd4839c872d229994c9d27bb06ef866dad93d.tar.gz dotty-857cd4839c872d229994c9d27bb06ef866dad93d.tar.bz2 dotty-857cd4839c872d229994c9d27bb06ef866dad93d.zip |
Disabling patmat tests failing due to typer.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/neg/t1164.scala | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/neg/t1164.scala b/tests/neg/t1164.scala new file mode 100644 index 000000000..6deedfbff --- /dev/null +++ b/tests/neg/t1164.scala @@ -0,0 +1,29 @@ +object test { + + class Foo[a](val arg : a) + + object Foo { + def apply [a](arg : a, right :a) = new Foo[a](arg) + def unapply [a](m : Foo[a]) = Some (m.arg) + } + + def matchAndGetArgFromFoo[a]( e:Foo[a]):a = {e match { case Foo(x) => x }} + // Unapply node here will have type argument [a] instantiated to scala.Nothing: + // UnApply(TypeApply(Select(Ident(Foo),unapply),List(TypeTree[TypeVar(PolyParam(a) -> TypeRef(ThisType(TypeRef(NoPrefix,scala)),Nothing))])),List(),List(Bind(x,Ident(_)))) + // but the type of the UnApply node itself is correct: RefinedType(TypeRef(ThisType(TypeRef(ThisType(TypeRef(NoPrefix,<empty>)),test$)),Foo), test$$Foo$$a, TypeAlias(TypeRef(NoPrefix,a))) + // + + + // Try the same thing as above but use function as argument to Bar + // constructor + + type FunIntToA [a] = (Int) => a + class Bar[a] (var f: FunIntToA[a]) + + object Bar { + def apply[a](f: FunIntToA[a]) = new Bar[a](f) + def unapply[a](m: Bar[a]) = Some (m.f) + } + + def matchAndGetFunFromBar[a](b:Bar[a]) : FunIntToA[a] = { b match { case Bar(x) => x}} +} |