Merge pull request #2817 from flaviut/fix-unittest

Fix unittest problems

lib/pure/unittest.nim

@@ -157,12 +157,13 @@ macro check*(conditions: stmt): stmt {.immediate.} =
           #   Ident !"v"
           #   IntLit 2
           paramAst = exp[i][1]
-        argsAsgns.add getAst(asgn(arg, paramAst))
-        argsPrintOuts.add getAst(print(argStr, arg))
-        if exp[i].kind != nnkExprEqExpr:
-          exp[i] = arg
-        else:
-          exp[i][1] = arg
+        if exp[i].typekind notin {ntyTypeDesc}:
+          argsAsgns.add getAst(asgn(arg, paramAst))
+          argsPrintOuts.add getAst(print(argStr, arg))
+          if exp[i].kind != nnkExprEqExpr:
+            exp[i] = arg
+          else:
+            exp[i][1] = arg
 
   case checked.kind
   of nnkCallKinds:

tests/stdlib/tunittest.nim

@@ -0,0 +1,21 @@
+import unittest
+
+
+proc doThings(spuds: var int): int =
+  spuds = 24
+  return 99
+test "#964":
+  var spuds = 0
+  check doThings(spuds) == 99
+  check spuds == 24
+
+
+from strutils import toUpper
+test "#1384":
+  check(@["hello", "world"].map(toUpper) == @["HELLO", "WORLD"])
+
+
+import options
+test "unittest typedescs":
+  check(none(int) == none(int))
+  check(none(int) != some(1))