diff --git a/spec/src/fixtures.rs b/spec/src/fixtures.rs
index 12bd46e..9c70e08 100644
--- a/spec/src/fixtures.rs
+++ b/spec/src/fixtures.rs
@@ -10,3 +10,4 @@ macro_rules! run_test {
 run_test!("i32", wasm_i32);
 run_test!("endianness", wasm_endianness);
 run_test!("i64", wasm_i64);
+run_test!("address", wasm_address);
diff --git a/spec/src/run.rs b/spec/src/run.rs
index b943580..70e9da7 100644
--- a/spec/src/run.rs
+++ b/spec/src/run.rs
@@ -140,14 +140,22 @@ pub fn spec(name: &str) {
             &test::Command::AssertInvalid { line, ref filename, .. } => {
                 let module_load = try_load(&outdir, filename);
                 match module_load {
-                    Ok(result) => {
+                    Ok(_) => {
                         panic!("Expected invalid module definition, got some module!")
                     },
                     Err(e) => {
                         println!("assert_invalid at line {} - success ({:?})", line, e)
                     }
                 }
-            }
+            },
+            &test::Command::Action { line, ref action } => {
+                match run_action(&*module, action) {
+                    Ok(_) => { },
+                    Err(e) => {
+                        panic!("Failed to invoke action at line {}: {:?}", line, e)
+                    }
+                }
+            },          
         }
     }
 }
diff --git a/spec/src/test.rs b/spec/src/test.rs
index baa21c9..1a839aa 100644
--- a/spec/src/test.rs
+++ b/spec/src/test.rs
@@ -36,6 +36,11 @@ pub enum Command {
         line: u64,
         filename: String,
         text: String,
+    },
+    #[serde(rename = "action")]
+    Action {
+        line: u64,
+        action: Action,
     }
 }