From 9ef5f6817688f814a3450126aa7383b0928e80a0 Mon Sep 17 00:00:00 2001 From: Samuel Gruetter Date: Wed, 12 Mar 2014 22:44:33 +0100 Subject: add tests from scala/test/files/{pos,neg} with explicit Unit return type --- tests/untried/pos/t7944.scala | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/untried/pos/t7944.scala (limited to 'tests/untried/pos/t7944.scala') diff --git a/tests/untried/pos/t7944.scala b/tests/untried/pos/t7944.scala new file mode 100644 index 000000000..2fe2c5866 --- /dev/null +++ b/tests/untried/pos/t7944.scala @@ -0,0 +1,24 @@ +class M[+A, +B] + +object Test { + implicit class EitherOps[A, B](self: Either[A, B]) { + def disjunction: M[A, B] = null + } + + def foo = { + val l: Either[Int, Nothing] = Left[Int, Nothing](1) + + var ok = EitherOps(l).disjunction + + val runawayTypeVar = l.disjunction + + // reported bug: + // found : M[Int,B]; required: M[Int,Nothing] + val assign: M[Int, Nothing] = runawayTypeVar + + // variations on the theme, all failed before similarly. + val assign1: M[Int, Nothing] = {val temp = runawayTypeVar; temp} + val assign2: M[Int, String] = runawayTypeVar + val assign3: M[Int, Nothing] = {val temp = Left(1).disjunction; temp} + } +} -- cgit v1.2.3