Tests for Trac #7053

4 files changed, 23 insertions, 0 deletions

diff --git a/testsuite/tests/polykinds/T7053.hs b/testsuite/tests/polykinds/T7053.hs
new file mode 100644
index 0000000000..4db1e0d7e9
--- /dev/null
+++ b/testsuite/tests/polykinds/T7053.hs
@@ -0,0 +1,7 @@
+{-# LANGUAGE PolyKinds #-}
+
+module T7053 where
+
+data TypeRep (a :: k) where
+   TyApp   :: TypeRep a -> TypeRep b -> TypeRep (a b)
+
diff --git a/testsuite/tests/polykinds/T7053.stderr b/testsuite/tests/polykinds/T7053.stderr
new file mode 100644
index 0000000000..040a31e82f
--- /dev/null
+++ b/testsuite/tests/polykinds/T7053.stderr
@@ -0,0 +1,6 @@
+
+T7053.hs:6:52:
+    Expecting one more argument to `b'
+    In the type `TypeRep (a b)'
+    In the definition of data constructor `TyApp'
+    In the data declaration for `TypeRep'
diff --git a/testsuite/tests/polykinds/T7053a.hs b/testsuite/tests/polykinds/T7053a.hs
new file mode 100644
index 0000000000..f43f2f7602
--- /dev/null
+++ b/testsuite/tests/polykinds/T7053a.hs
@@ -0,0 +1,8 @@
+{-# LANGUAGE PolyKinds, GADTs #-}
+
+module T7053a where
+
+-- This time with a fully-specified kind signature
+data TypeRep (a :: k) :: * where
+   TyApp   :: TypeRep a -> TypeRep b -> TypeRep (a b)
+
diff --git a/testsuite/tests/polykinds/all.T b/testsuite/tests/polykinds/all.T
index bec2cc11c5..6c8ef17111 100644
--- a/testsuite/tests/polykinds/all.T
+++ b/testsuite/tests/polykinds/all.T
@@ -54,3 +54,5 @@ test('T6137', normal, compile,[''])
 test('T6093', normal, compile,[''])
 test('T6049', normal, compile,[''])
 test('T6129', normal, compile_fail,[''])
+test('T7053', normal, compile_fail,[''])
+test('T7053a', normal, compile,[''])