blob: 5cf167c39320ef6871b2cea09a0afd0c2827977e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
module Main where
import Control.Exception
import System.Mem
import Text.Show
import Data.Compact
import Data.Compact.Internal
assertFail :: String -> IO ()
assertFail msg = throwIO $ AssertionFailed msg
assertEquals :: (Eq a, Show a) => a -> a -> IO ()
assertEquals expected actual =
if expected == actual then return ()
else assertFail $ "expected " ++ (show expected)
++ ", got " ++ (show actual)
data Tree = Nil | Node Tree Tree Tree
instance Eq Tree where
Nil == Nil = True
Node _ l1 r1 == Node _ l2 r2 = l1 == l2 && r1 == r2
_ == _ = False
instance Show Tree where
showsPrec _ Nil = showString "Nil"
showsPrec _ (Node _ l r) = showString "(Node " . shows l .
showString " " . shows r . showString ")"
{-# NOINLINE test #-}
test x = do
let a = Node Nil x b
b = Node a Nil Nil
str <- compactSized 4096 True a
-- check the value in the compact
assertEquals a (getCompact str)
performMajorGC
-- check again the value in the compact
assertEquals a (getCompact str)
main = test Nil
|
