cubefs

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// Copyright 2023 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package util_test
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import (
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	"errors"
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	"testing"
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	"github.com/cubefs/cubefs/util"
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)
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func TestFuture(t *testing.T) {
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	future := util.NewFuture()
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	future.Respond(1, nil)
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	val, err := future.Response()
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	if err != nil {
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		t.Errorf("err should be nil")
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		return
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	}
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	if val.(int) != 1 {
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		t.Errorf("val should be 1")
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		return
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	}
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	future = util.NewFuture()
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	future.Respond(nil, errors.New("future error"))
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	_, err = future.Response()
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	if err == nil {
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		t.Errorf("error should be non-nil")
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		return
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	}
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}
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