Test cases for cOverride

tests/include/test.c

@@ -75,3 +75,11 @@ void *multiline2(void) {
 }
 
 void multiline3(void) {}
+
+int weirdfunc(char ***apple) {
+  return 1;
+}
+
+int weirdfunc2(char **apple) {
+  return 2;
+}

tests/include/test.h

@@ -167,6 +167,31 @@ enum
     TDEFL_BOGUS_3 = TDEFL_OUT_BUF_SIZE / TDEFL_BOGUS_1
 };
 
+// cOverride
+struct foo { int foo[8][1]; };
+
+typedef struct tagBITMAPINFOHEADER{
+          int biClrImportant;
+} BITMAPINFOHEADER, * pBITMAPINFOHEADER;
+
+#define BIT 123u
+
+#define BIT2 123u
+
+#define BIT3 123
+
+typedef int ABC;
+
+typedef int DEF;
+
+typedef struct {
+  int **f1;
+} GHI;
+
+struct JKL {
+  int **f1;
+};
+
 #ifdef __cplusplus
 }
 #endif

tests/tnimterop_c.nim

@@ -20,6 +20,27 @@ cPlugin:
     else:
       sym.name = sym.name.strip(chars={'_'})
 
+cOverride:
+  type
+    BITMAPINFOHEADER* {.bycopy.} = object
+      biClrImportant*: int
+
+    Random = object
+
+    ABC = pointer
+
+    GHI = object
+      f2: ptr ptr cint
+
+    JKL = object
+      f2: ptr ptr cint
+
+  const
+    BIT* = 1
+
+  proc weirdfunc(apple: ptr ptr ptr cchar): int {.importc.}
+  proc weirdfunc2(mango: ptr ptr cchar): int {.importc.}
+
 cImport cSearchPath "test.h"
 
 check TEST_INT == 512
@@ -183,3 +204,23 @@ var
   arr: array[5, cint]
 
 check test_array_param(arr) == nil
+
+# cOverride
+
+var
+  ca = weirdfunc
+  cb: BITMAPINFOHEADER
+  cc = weirdfunc2
+  cd: ABC
+  ce: DEF
+  cf: GHI
+  cg: JKL
+
+cd = nil
+ce = 5
+cf.f2 = nil
+cg.f2 = nil
+
+doAssert BIT == 1
+doAssert ca(nil) == 1
+doAssert cc(nil) == 2