module Repr.String.Test where

import Test.Tasty
import Test.Tasty.HUnit

import Language.LOL.Symantic.Repr
import qualified Expr.Lambda.Test as Lambda.Test
import qualified Expr.Bool.Test as Bool.Test
import qualified Expr.Maybe.Test as Maybe.Test

tests :: TestTree
tests = testGroup "String" $
 let (==>) expr expected =
	testCase expected $
	(@?= expected) $
	string_from_expr expr in
 [ testGroup "Bool"
	 [ Bool.Test.e1 ==> "True & False"
	 , Bool.Test.e2 ==> "True & False | True & True"
	 , Bool.Test.e3 ==> "(True | False) & (True | True)"
	 , Bool.Test.e4 ==> "True & !False"
	 , Bool.Test.e5 ==> "True & !x"
	 , Bool.Test.e6 ==> "(x | y) & !(x & y)"
	 , Bool.Test.e7 ==> "((x | y) & !(x & y) | z) & !(((x | y) & !(x & y)) & z)"
	 , Bool.Test.e8 ==> "(x | (y | True) & !(y & True)) & !(x & ((y | True) & !(y & True)))"
	 ]
 , testGroup "Lambda"
	 [ Lambda.Test.e1 ==> "\\x0 -> (\\x1 -> (x0 | x1) & !(x0 & x1))"
	 , Lambda.Test.e2 ==> "\\x0 -> (\\x1 -> x0 & !x1 | !x0 & x1)"
	 , Lambda.Test.e3 ==> "let x0 = True in x0 & x0"
	 , Lambda.Test.e4 ==> "let x0 = \\x1 -> x1 & x1 in x0 True"
	 , Lambda.Test.e5 ==> "\\x0 -> (\\x1 -> x0 & x1)"
	 , Lambda.Test.e6 ==> "(let x0 = True in x0) & False"
	 , Lambda.Test.e7 ==> "\\x0 -> x0 True & True"
	 , Lambda.Test.e8 ==> "\\x0 -> x0 (True & True)"
	 ]
 , testGroup "Maybe"
	 [ Maybe.Test.e1 ==> "maybe True (\\x0 -> !x0) (just True)"
	 ]
 {-, testGroup "If"
	 [ If.e1 ==> "if True then False else True"
	 , If.e2 ==> "if True & True then False else True"
	 ]
 -}]