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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"errors"
"testing"
"github.com/stretchr/testify/require"
)
func TestNoStoreErrIs(t *testing.T) {
err0 := &NoStoreErr{
addr: "1.2.3.4",
}
// identical errors are equal
require.True(t, errors.Is(err0, err0))
require.True(t, errors.Is(ErrNoStore, ErrNoStore))
require.True(t, errors.Is(ErrNoStore, &NoStoreErr{}))
require.True(t, errors.Is(&NoStoreErr{}, ErrNoStore))
// not equal for different error types
require.False(t, errors.Is(err0, errors.New("")))
// default Value matches any error
require.True(t, errors.Is(err0, ErrNoStore))
// error with values are not matching default ones
require.False(t, errors.Is(ErrNoStore, err0))
err1 := &NoStoreErr{
addr: "2.3.4.5",
}
require.True(t, errors.Is(err1, ErrNoStore))
// errors with different values are not equal
require.False(t, errors.Is(err0, err1))
require.False(t, errors.Is(err1, err0))
}
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