add failing tests; add a test at CT

nimterop.nimble

@@ -18,7 +18,7 @@ proc execCmd(cmd:string)=
 
 task test, "Test":
   execCmd "nim c -r tests/tnimterop_c.nim"
-  #execCmd "nim cpp -r tests/tnimterop_c.nim"
+  # execCmd "nim cpp -r tests/tnimterop_c.nim"
   execCmd "nim cpp -r tests/tnimterop_cpp.nim"
   # when defined(windows):
     # execCmd "nim c -r tests/tmath.nim"

tests/include/test.h

@@ -20,6 +20,9 @@ extern "C" {
 #define OSDEF 30
 #endif
 
+#define foobar1(x) OSDEF * x
+#define foobar2(x) x + 1
+
 typedef uint8_t PRIMTYPE;
 typedef PRIMTYPE CUSTTYPE;
 

tests/tnimterop_c.nim

@@ -20,6 +20,10 @@ elif defined(windows):
 else:
   check OSDEF == 30
 
+block:
+  # workaround for https://github.com/nim-lang/Nim/issues/10129
+  const ok = OSDEF
+
 var
   pt: PRIMTYPE
   ct: CUSTTYPE
@@ -79,3 +83,10 @@ check e3 == enum7
 check e4 == enum11
 
 cAddStdDir()
+
+## failing tests
+when false:
+  static: # Error: undeclared identifier: 'foobar1'
+    doAssert foobar1(3) == OSDEF * 3
+when false: # Error: undeclared identifier: 'foobar2'
+    doAssert foobar2(3) == 3 + 1