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authorDavid Terei <davidterei@gmail.com>2011-07-20 11:09:03 -0700
committerDavid Terei <davidterei@gmail.com>2011-07-20 11:26:35 -0700
commit16514f272fb42af6e9c7674a9bd6c9dce369231f (patch)
treee4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/th/TH_reifyDecl1.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
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diff --git a/testsuite/tests/th/TH_reifyDecl1.hs b/testsuite/tests/th/TH_reifyDecl1.hs
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+-- test reification of data declarations
+
+module TH_reifyDecl1 where
+
+import Language.Haskell.TH
+import Text.PrettyPrint.HughesPJ
+
+infixl 3 `m`
+
+-- simple
+data T = A | B
+
+-- parametric
+data R a = C a | D
+
+-- recursive
+data List a = Nil | Cons a (List a)
+
+-- infix operator
+data Tree a = Leaf | Tree a :+: Tree a
+
+-- type declaration
+type IntList = [Int]
+
+-- newtype declaration
+newtype Length = Length Int
+
+-- simple class
+class C a where
+ m :: a -> Int
+
+test :: ()
+test = $(let
+ display :: Name -> Q ()
+ display q = do { i <- reify q; report False (pprint i) }
+ in do { display ''T
+ ; display ''R
+ ; display ''List
+ ; display ''Tree
+ ; display ''IntList
+ ; display ''Length
+ ; display 'Leaf
+ ; display 'm
+ ; [| () |] })
+
+