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| author | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-01-14 15:29:51 -0800 |
|---|---|---|
| committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-01-14 15:29:51 -0800 |
| commit | 1a305a5aa8aae2a6d196918664c0c4a9cf808687 (patch) | |
| tree | fa9f909cc3eb892e933a59278644820f6d419537 /test | |
| parent | c20060b956edf7f3a6b427553708f4017bdf0fe0 (diff) | |
| parent | 8fb19b132579b7ddb9dd12ae829451dcf9d91332 (diff) | |
| download | scala-1a305a5aa8aae2a6d196918664c0c4a9cf808687.tar.gz scala-1a305a5aa8aae2a6d196918664c0c4a9cf808687.tar.bz2 scala-1a305a5aa8aae2a6d196918664c0c4a9cf808687.zip | |
Merge pull request #1876 from adriaanm/ticket-5189-inf
SI-5189 detect unsoundness when inferring type of match
Diffstat (limited to 'test')
| -rw-r--r-- | test/files/neg/t5189_inferred.check | 6 | ||||
| -rw-r--r-- | test/files/neg/t5189_inferred.scala | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/test/files/neg/t5189_inferred.check b/test/files/neg/t5189_inferred.check new file mode 100644 index 0000000000..9cc5dcc242 --- /dev/null +++ b/test/files/neg/t5189_inferred.check @@ -0,0 +1,6 @@ +t5189_inferred.scala:7: error: type mismatch; + found : scala.collection.immutable.Nil.type + required: ?A1 where type ?A1 + f(Invariant(arr): Covariant[Any])(0) = Nil + ^ +one error found diff --git a/test/files/neg/t5189_inferred.scala b/test/files/neg/t5189_inferred.scala new file mode 100644 index 0000000000..e4e8765445 --- /dev/null +++ b/test/files/neg/t5189_inferred.scala @@ -0,0 +1,8 @@ +trait Covariant[+A] +case class Invariant[A](xs: Array[A]) extends Covariant[A] + +class Test { + val arr = Array("abc") + def f[A](v: Covariant[A]) /*inferred!*/ = v match { case Invariant(xs) => xs } + f(Invariant(arr): Covariant[Any])(0) = Nil +}
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