Add ast2 union support

2 files changed, 9 insertions, 3 deletions

diff --git a/tests/include/tast2.h b/tests/include/tast2.h
index ced3a44..90e96c6 100644
--- a/tests/include/tast2.h
+++ b/tests/include/tast2.h
@@ -35,8 +35,8 @@ typedef struct A20 { char a1; } A20, A21, *A21p;
 typedef struct A22 { int **f1; int *f2[123+132]; } A22;
 
 //Unions
-//union UNION1 {int f1; };
-//typedef union UNION2 { int **f1; int abc[123+132]; } UNION2;
+union U1 {int f1; float f2; };
+typedef union U2 { int **f1; int abc[123+132]; } U2;
 
 // Anonymous
 //typedef struct { char a1; };
diff --git a/tests/tast2.nim b/tests/tast2.nim
index dd8fae7..d8d18a3 100644
--- a/tests/tast2.nim
+++ b/tests/tast2.nim
@@ -71,4 +71,10 @@ assert A21 is A20
 assert A21p is ptr A20
 
 assert A22 is object
-testFields(A22, {"f1": "ptr ptr cint", "f2": "array[0..254, ptr cint]"}.toTable())
\ No newline at end of file
+testFields(A22, {"f1": "ptr ptr cint", "f2": "array[0..254, ptr cint]"}.toTable())
+
+assert U1 is object
+assert sizeof(U1) == sizeof(cfloat)
+
+assert U2 is object
+assert sizeof(U2) == 256 * sizeof(cint)
\ No newline at end of file