diff --git a/backends/GenerateC.hs b/backends/GenerateC.hs
index 0a9d9fc..5682b93 100644
--- a/backends/GenerateC.hs
+++ b/backends/GenerateC.hs
@@ -66,7 +66,9 @@ data GenOps = GenOps {
     declareFree :: GenOps -> Meta -> A.Type -> A.Variable -> Maybe (CGen ()),
     declareInit :: GenOps -> Meta -> A.Type -> A.Variable -> Maybe (CGen ()),
     declareType :: GenOps -> A.Type -> CGen (),
+    -- | Generates an individual parameter to a function/proc.
     genActual :: GenOps -> A.Actual -> CGen (),
+    -- | Generates the list of actual parameters to a function/proc.
     genActuals :: GenOps -> [A.Actual] -> CGen (),
     genAlt :: GenOps -> Bool -> A.Structured -> CGen (),
     -- | Generates the given array element expressions as a flattened (one-dimensional) list of literals
@@ -1427,7 +1429,7 @@ cgenActual ops actual
           case (t, e) of
             (A.Array _ _, A.ExprVariable _ v) ->
               do call genVariable ops v
-                 tell [", "]
+                 tell [","]
                  call genVariable ops v
                  tell ["_sizes"]
             _ -> call genExpression ops e
@@ -1435,7 +1437,7 @@ cgenActual ops actual
           case t of
             A.Array _ _ ->
               do call genVariable ops v
-                 tell [", "]
+                 tell [","]
                  call genVariable ops v
                  tell ["_sizes"]
             _ -> fst $ abbrevVariable ops am t v
diff --git a/backends/GenerateCTest.hs b/backends/GenerateCTest.hs
index f66197d..1ec5f64 100644
--- a/backends/GenerateCTest.hs
+++ b/backends/GenerateCTest.hs
@@ -193,15 +193,36 @@ testArraySizes = TestList
   ,testBothSame "genArraySizesSize 0" "[1]" (tcall genArraySizesSize [A.Dimension 7])
   ,testBothSame "genArraySize 0" "const int*foo_sizes=@;" (tcall3 genArraySize True at foo)
   ,testBothSame "genArraySize 1" "const int foo_sizes[]={@};" (tcall3 genArraySize False at foo)
-  
+  ,testBothSame "genArrayLiteralElems 0" "$" $ (tcall genArrayLiteralElems [A.ArrayElemExpr undefined]) . unfolded
+  ,testBothSame "genArrayLiteralElems 1" "$,$,$" $ (tcall genArrayLiteralElems [A.ArrayElemExpr undefined, A.ArrayElemExpr undefined, A.ArrayElemExpr undefined]) . unfolded
+  ,testBothSame "genArrayLiteralElems 2" "$,$,$" $ (tcall genArrayLiteralElems [A.ArrayElemExpr undefined, A.ArrayElemArray [A.ArrayElemExpr undefined, A.ArrayElemExpr undefined]]) . unfolded
  ]
+ where
+  unfolded = (\ops -> ops {genUnfoldedExpression = override1 dollar})
 
+testActuals :: Test
+testActuals = TestList
+ [
+  -- C adds a prefix comma (to follow Process* me) but C++ does not:
+  testBoth "genActuals 0" ",@,@" "@,@" $ (tcall genActuals [undefined, undefined]) . (\ops -> ops {genActual = override1 at})
+  ,testBothSame "genActuals 1" "" $ (tcall genActuals [])
+  
+  --For expressions, genExpression should be called:
+  ,testBothSame "genActual 0" "$" $ (tcall genActual $ A.ActualExpression A.Bool (A.True undefined)) . over
+  
+  --For abbreviating arrays, C++ should call genExpression/genVariable, whereas C should do its foo,foo_sizes thing:
+  ,testBoth "genActual 1" "@,@_sizes" "$" $ (tcall genActual $ A.ActualExpression (A.Array undefined undefined) (A.ExprVariable undefined $ A.Variable undefined foo)) . over
+  ,testBoth "genActual 2" "@,@_sizes" "@" $ (tcall genActual $ A.ActualVariable A.Abbrev (A.Array undefined undefined) (A.Variable undefined foo)) . over
+ ]
+ where
+   over = (\ops -> ops {genVariable = override1 at, genExpression = override1 dollar})
 
 ---Returns the list of tests:
 tests :: Test
 tests = TestList
  [
-   testGenType
-   ,testStop
+   testActuals
    ,testArraySizes
+   ,testGenType
+   ,testStop
  ]