diff --git a/test/integration_test.go b/test/complex_test.go
similarity index 100%
rename from test/integration_test.go
rename to test/complex_test.go
diff --git a/test/disasm_test.go b/test/disasm_test.go
index 95255e0..4ecca28 100644
--- a/test/disasm_test.go
+++ b/test/disasm_test.go
@@ -3,6 +3,7 @@ package test
 import "testing"
 
 import "github.com/firestuff/subcoding/asm"
+import "github.com/firestuff/subcoding/vm"
 
 func TestRoundTrip(t *testing.T) {
 	src := `functions:
@@ -20,6 +21,19 @@ func TestRoundTrip(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	state, err := vm.NewState(prog)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = state.Execute()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectGlobalMemory(t, state, 0, 1)
+	expectGlobalMemorySigned(t, state, 1, -5)
+
 	dis, err := asm.Disassemble(prog)
 	if err != nil {
 		t.Fatal(err)