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authorÖmer Sinan Ağacan <omeragacan@gmail.com>2018-07-04 16:43:13 +0300
committerBen Gamari <ben@smart-cactus.org>2018-07-12 17:06:11 -0400
commit1fca115b77de11358140faba1fd028b898f3db2e (patch)
treec7beb71302a7feb45a66a940ad146abaf5309c91 /testsuite
parent22c951e6aab52adf32499a9568be44dc60e72acb (diff)
downloadhaskell-1fca115b77de11358140faba1fd028b898f3db2e.tar.gz
Add regression test for #15321
(cherry picked from commit e835fdb18cca66820728afce9c924a1c71f17fee)
Diffstat (limited to 'testsuite')
-rw-r--r--testsuite/tests/th/T15321.hs9
-rw-r--r--testsuite/tests/th/T15321.stderr12
-rw-r--r--testsuite/tests/th/all.T1
3 files changed, 22 insertions, 0 deletions
diff --git a/testsuite/tests/th/T15321.hs b/testsuite/tests/th/T15321.hs
new file mode 100644
index 0000000000..0f0b4d5183
--- /dev/null
+++ b/testsuite/tests/th/T15321.hs
@@ -0,0 +1,9 @@
+{-# LANGUAGE TemplateHaskell #-}
+
+module T15321 where
+
+foo :: String
+foo = test
+
+bar :: String
+bar = $(_ "baz")
diff --git a/testsuite/tests/th/T15321.stderr b/testsuite/tests/th/T15321.stderr
new file mode 100644
index 0000000000..7807bcf5a2
--- /dev/null
+++ b/testsuite/tests/th/T15321.stderr
@@ -0,0 +1,12 @@
+
+T15321.hs:9:9: error:
+ • Found hole: _ :: [Char] -> Language.Haskell.TH.Lib.Internal.ExpQ
+ • In the expression: _
+ In the expression: _ "baz"
+ In the untyped splice: $(_ "baz")
+ • Valid hole fits include
+ fail :: forall (m :: * -> *) a. Monad m => String -> m a
+ with fail @Language.Haskell.TH.Syntax.Q
+ @Language.Haskell.TH.Syntax.Exp
+ (imported from ‘Prelude’ at T15321.hs:3:8-13
+ (and originally defined in ‘GHC.Base’))
diff --git a/testsuite/tests/th/all.T b/testsuite/tests/th/all.T
index 5f756fcd79..b3d53acd38 100644
--- a/testsuite/tests/th/all.T
+++ b/testsuite/tests/th/all.T
@@ -417,3 +417,4 @@ test('T14885c', normal, compile, [''])
test('T15243', normal, compile, ['-dsuppress-uniques'])
test('T15331', normal, compile, ['-v0 -ddump-splices -dsuppress-uniques'])
test('T15324', normal, compile, ['-v0 -ddump-splices -dsuppress-uniques'])
+test('T15321', normal, compile_fail, [''])