package tool

import "testing"

type fakeAccessor struct{ s RunState }

func (f fakeAccessor) RunState() RunState { return f.s }

func TestInvocationRunState_NilSafe(t *testing.T) {
	var inv Invocation
	if inv.RunState != nil {
		t.Fatal("RunState should default nil")
	}
	inv.RunState = fakeAccessor{s: RunState{Iteration: 3, MaxIterations: 10}}
	if got := inv.RunState.RunState(); got.Iteration != 3 || got.MaxIterations != 10 {
		t.Fatalf("unexpected RunState: %+v", got)
	}
}