[add] tests for Ast/Types

glados.cabal

@@ -59,6 +59,7 @@ test-suite glados-test
   type: exitcode-stdio-1.0
   other-modules:
     Ast.ParserSpec
+    Ast.TypesSpec
     Misc.MiscSpec
 
   hs-source-dirs: test

test/Ast/TypesSpec.hs

@@ -0,0 +1,71 @@
+module Ast.TypesSpec (spec) where
+
+import Ast.Types
+  ( AST (..),
+    Expr (..),
+    Literal (..),
+    Operation (..),
+  )
+import Test.Hspec
+
+spec :: Spec
+spec = do
+  describe "Literal instances" $ do
+    it "tests the Show instance for Literal" $ do
+      show (LInt 42) `shouldBe` "LInt 42"
+      show (LBool True) `shouldBe` "LBool True"
+      show (LSymbol "x") `shouldBe` "LSymbol \"x\""
+
+    it "tests the Eq instance for Literal" $ do
+      LInt 42 `shouldBe` LInt 42
+      LBool False `shouldBe` LBool False
+      LSymbol "x" `shouldBe` LSymbol "x"
+      LInt 1 `shouldNotBe` LInt 2
+      LBool True `shouldNotBe` LBool False
+
+    it "tests the Ord instance for Literal" $ do
+      LInt 1 `shouldSatisfy` (< LInt 2)
+      LBool False `shouldSatisfy` (< LBool True)
+      LSymbol "a" `shouldSatisfy` (< LSymbol "b")
+
+  describe "Expr instances" $ do
+    it "tests the Show instance for Expr" $ do
+      show (Lit (LInt 42)) `shouldBe` "Lit (LInt 42)"
+      show (Var "x") `shouldBe` "Var \"x\""
+      show (Define "x" (Lit (LInt 10))) `shouldBe` "Define \"x\" (Lit (LInt 10))"
+
+    it "tests the Eq instance for Expr" $ do
+      Lit (LInt 42) `shouldBe` Lit (LInt 42)
+      Var "x" `shouldBe` Var "x"
+      Define "x" (Lit (LInt 10)) `shouldBe` Define "x" (Lit (LInt 10))
+      Lit (LInt 1) `shouldNotBe` Lit (LInt 2)
+
+    it "tests the Ord instance for Expr" $ do
+      Lit (LInt 1) `shouldSatisfy` (< Lit (LInt 2))
+      Var "a" `shouldSatisfy` (< Var "b")
+      Define "a" (Lit (LInt 10)) `shouldSatisfy` (< Define "b" (Lit (LInt 20)))
+
+  describe "Operation instances" $ do
+    it "tests the Show instance for Operation" $ do
+      show Add `shouldBe` "Add"
+      show Sub `shouldBe` "Sub"
+      show Mult `shouldBe` "Mult"
+
+    it "tests the Eq instance for Operation" $ do
+      Add `shouldBe` Add
+      Sub `shouldBe` Sub
+      Mult `shouldNotBe` Div
+
+    it "tests the Ord instance for Operation" $ do
+      Add `shouldSatisfy` (< Sub)
+      Sub `shouldSatisfy` (< Mult)
+      Div `shouldSatisfy` (< Mod)
+
+  describe "AST instances" $ do
+    it "tests the Show instance for AST" $ do
+      show (AST [Lit (LInt 42)]) `shouldBe` "AST [Lit (LInt 42)]"
+      show (AST [Var "x", Lit (LBool True)]) `shouldBe` "AST [Var \"x\",Lit (LBool True)]"
+
+    it "tests the Eq instance for AST" $ do
+      AST [Lit (LInt 42)] `shouldBe` AST [Lit (LInt 42)]
+      AST [Var "x", Lit (LBool True)] `shouldNotBe` AST [Var "x"]