controllogic: add Value union + sizing helpers (port of arraypolicy.ts)

internal/controllogic/value_test.go

@@ -0,0 +1,67 @@
+package controllogic
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestAsNumAsArr(t *testing.T) {
+	if n, err := asNum(3.0); err != nil || n != 3 {
+		t.Fatalf("asNum(3)=%v,%v", n, err)
+	}
+	if _, err := asNum([]Value{1.0}); err == nil {
+		t.Fatal("asNum(array) should error")
+	}
+	if a, err := asArr([]Value{1.0, 2.0}); err != nil || len(a) != 2 {
+		t.Fatalf("asArr=%v,%v", a, err)
+	}
+	if _, err := asArr(3.0); err == nil {
+		t.Fatal("asArr(number) should error")
+	}
+}
+
+func TestIdxResolve(t *testing.T) {
+	if k, err := idxResolve(-1, 3); err != nil || k != 2 {
+		t.Fatalf("idx(-1,3)=%v,%v", k, err)
+	}
+	if _, err := idxResolve(3, 3); err == nil {
+		t.Fatal("idx(3,3) should be out of range")
+	}
+}
+
+func TestNormalizeValue(t *testing.T) {
+	got := normalizeValue([]interface{}{1.0, true, []interface{}{2.0}})
+	want := []Value{1.0, 1.0, []Value{2.0}}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("normalize=%#v want %#v", got, want)
+	}
+	if normalizeValue(5) != Value(5.0) {
+		t.Fatalf("normalize(int) = %#v", normalizeValue(5))
+	}
+}
+
+func TestParseInitialArray(t *testing.T) {
+	fixed := parseInitialArray(StateVar{Type: "array", Sizing: "fixed", Capacity: 3, Initial: "[1,2]"})
+	if !reflect.DeepEqual(fixed, []Value{1.0, 2.0, 0.0}) {
+		t.Fatalf("fixed init = %#v", fixed)
+	}
+	dyn := parseInitialArray(StateVar{Type: "array", Sizing: "dynamic", Initial: "[5,6,7]"})
+	if !reflect.DeepEqual(dyn, []Value{5.0, 6.0, 7.0}) {
+		t.Fatalf("dynamic init = %#v", dyn)
+	}
+	empty := parseInitialArray(StateVar{Type: "array", Sizing: "dynamic", Initial: ""})
+	if len(empty) != 0 {
+		t.Fatalf("empty init = %#v", empty)
+	}
+}
+
+func TestApplySizing(t *testing.T) {
+	capped := applySizing([]Value{1.0, 2.0, 3.0, 4.0}, StateVar{Sizing: "capped", Capacity: 2})
+	if !reflect.DeepEqual(capped, []Value{3.0, 4.0}) {
+		t.Fatalf("capped = %#v", capped)
+	}
+	fixed := applySizing([]Value{1.0}, StateVar{Sizing: "fixed", Capacity: 3})
+	if !reflect.DeepEqual(fixed, []Value{1.0, 0.0, 0.0}) {
+		t.Fatalf("fixed = %#v", fixed)
+	}
+}