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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.13
// +build go1.13
package xerrors_test
import (
"errors"
"testing"
"golang.org/x/xerrors"
)
func TestErrorsIs(t *testing.T) {
var errSentinel = errors.New("sentinel")
got := errors.Is(xerrors.Errorf("%w", errSentinel), errSentinel)
if !got {
t.Error("got false, want true")
}
got = errors.Is(xerrors.Errorf("%w: %s", errSentinel, "foo"), errSentinel)
if !got {
t.Error("got false, want true")
}
}
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