From 7dbd39e6e5d77b332f7b0b534eddddbd116e00b6 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Wed, 17 Aug 2022 22:31:00 +0100
Subject: More error tests

---
 test/Language.hs | 49 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 45 insertions(+), 4 deletions(-)

diff --git a/test/Language.hs b/test/Language.hs
index 9da3124..392fcb7 100644
--- a/test/Language.hs
+++ b/test/Language.hs
@@ -172,8 +172,10 @@ testCase11 =
           A.Call (A.Func "lambda@2,1" [] Nothing [] True True $ newPos "test" 2 1) [] $ newPos "test" 2 1
         ]
 
+-- test errors
+
 testCase12 =
-  TestLabel "invalid return value" $
+  TestLabel "invalid return value (empty return)" $
     TestCase $ do
       e <-
         expectError
@@ -181,9 +183,20 @@ testCase12 =
           \def fn(): u8 { return; }"
       case e of
         Nothing -> assertFailure "expected error, didn't happen"
-        Just (E.TypeError _ _) -> return $ ()
+        Just (E.Error E.TypeError _ _) -> return $ ()
 
 testCase13 =
+  TestLabel "invalid return value" $
+    TestCase $ do
+      e <-
+        expectError
+          "module main\n\
+          \def fn(): u16 { return 1; }"
+      case e of
+        Nothing -> assertFailure "expected error, didn't happen"
+        Just (E.Error E.TypeError _ _) -> return $ ()
+
+testCase14 =
   TestLabel "return without function" $
     TestCase $ do
       e <-
@@ -192,7 +205,32 @@ testCase13 =
           \return;"
       case e of
         Nothing -> assertFailure "expected error, didn't happen"
-        Just (E.UnexpectedReturn _ _) -> return $ ()
+        Just (E.Error E.UnexpectedReturn _ _) -> return $ ()
+
+testCase15 =
+  TestLabel "symbol defined" $
+    TestCase $ do
+      e <-
+        expectError
+          "module main\n\
+          \def fn() { }\n\
+          \def fn() { }"
+      case e of
+        Nothing -> assertFailure "expected error, didn't happen"
+        Just (E.Error E.AlreadyDefined _ pos) ->
+          if pos /= (newPos "test" 3 1) then assertFailure ("error position didn't match: " ++ show pos) else return $ ()
+
+testCase16 =
+  TestLabel "symbol defined" $
+    TestCase $ do
+      e <-
+        expectError
+          "module main\n\
+          \def fn(a: u8, a: u8) { }\n"
+      case e of
+        Nothing -> assertFailure "expected error, didn't happen"
+        Just (E.Error E.AlreadyDefined _ pos) ->
+          if pos /= (newPos "test" 2 15) then assertFailure ("error position didn't match: " ++ show pos) else return $ ()
 
 language =
   [ testCase1,
@@ -207,5 +245,8 @@ language =
     testCase10,
     testCase11,
     testCase12,
-    testCase13
+    testCase13,
+    testCase14,
+    testCase15,
+    testCase16
   ]
-- 
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