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// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package errgroup
import (
"fmt"
"reflect"
"testing"
)
func TestGroupWithNErrs(t *testing.T) {
err1 := fmt.Errorf("errgroup_test: 1")
err2 := fmt.Errorf("errgroup_test: 2")
cases := []struct {
errs []error
}{
{errs: []error{nil}},
{errs: []error{err1}},
{errs: []error{err1, nil}},
{errs: []error{err1, nil, err2}},
}
for j, tc := range cases {
t.Run(fmt.Sprintf("Test%d", j+1), func(t *testing.T) {
g := WithNErrs(len(tc.errs))
for i, err := range tc.errs {
err := err
g.Go(func() error { return err }, i)
}
gotErrs := g.Wait()
if !reflect.DeepEqual(gotErrs, tc.errs) {
t.Errorf("Expected %#v, got %#v", tc.errs, gotErrs)
}
})
}
}
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