Convert compilation test to a run test

Author: kulp

src/raw.rs

@@ -268,18 +268,36 @@ macro_rules! jit_entries {
 include!(concat!(env!("OUT_DIR"), "/entries.rs"));
 
 #[test]
-#[should_panic]
 #[allow(unreachable_code)]
 #[allow(unused_variables)]
-fn demonstrate_compilation() {
+fn trivial_invocation() {
+    trait MyDefault { fn default() -> Self; }
+
+    impl MyDefault for jit_word_t    { fn default() -> Self { Default::default() } }
+
+    impl MyDefault for jit_float32_t { fn default() -> Self { Default::default() } }
+    impl MyDefault for jit_float64_t { fn default() -> Self { Default::default() } }
+
+    #[cfg(target_pointer_width = "64")] /* avoid conflicting with jit_word_t */
+    impl MyDefault for jit_int32_t   { fn default() -> Self { Default::default() } }
+
+    impl MyDefault for jit_pointer_t { fn default() -> Self { crate::types::NULL } }
+
     macro_rules! jit_entry {
+        (   $entry:ident( $enum_in:ident $(, $inarg:ident )* )
+              => $root:ident
+              => [ new_node $( , $suffix:ident )* ]
+              => $invokes:ident( $jit:ident $( , $outarg:ident )* )
+        ) => {
+            /* skip */
+        };
         (   $entry:ident( $( $inarg:ident ),* )
               => $root:ident
               => [ $stem:ident $( , $suffix:ident )* ]
               => $invokes:ident( $enum:ident $( , $outarg:ident )* )
         ) => {
             {
-                $( let $inarg = todo!(); )*
+                $( let $inarg = MyDefault::default(); )*
                 let _ = $crate::Jit::new().new_state().$entry( $( $inarg ),* );
             }
         };