we in era3 boys; overhauled expression system, and variables are now in maps

core/stack_test.go

@@ -5,6 +5,30 @@ import (
 	"testing"
 )
 
+func CompareScope(t *testing.T, expectedScope []map[string]Value, actualScope *Scope) {
+	s := actualScope
+
+	for i := len(expectedScope) - 1; i >= 0; i-- {
+		if s == nil {
+			t.Fatal("scope cut unexpecetantly short")
+		}
+
+		for name, value := range expectedScope[i] {
+			v, ok := s.current[name]
+			if !ok {
+				t.Errorf("variable %s not found in correct scope", name)
+				continue
+			}
+
+			if !v.Equals(value) {
+				t.Errorf("variable %s has value %s but expected %s", name, v.String(), value.String())
+			} else {
+				t.Logf("variable %s has expected value %s", name, v.String())
+			}
+		}
+	}
+}
+
 func CompareStacks[T Value](t *testing.T, expected []T, actual *Stack[T]) {
 	if actual.Current != Pos(len(expected)) {
 		t.Errorf("Unexpected stack size. Expected %d, got %d", len(expected), actual.Current)