36 lines
1.3 KiB
Go
36 lines
1.3 KiB
Go
// Copyright 2024 PingCAP, Inc.
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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 implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kv
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/meta/autoid"
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"github.com/stretchr/testify/require"
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)
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func TestAllocator(t *testing.T) {
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alloc := NewPanickingAllocators(true)
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require.NoError(t, alloc.Get(autoid.RowIDAllocType).Rebase(nil, 123, false))
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// cannot revert back
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require.NoError(t, alloc.Get(autoid.RowIDAllocType).Rebase(nil, 100, false))
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require.NoError(t, alloc.Get(autoid.AutoIncrementType).Rebase(nil, 456, false))
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require.NoError(t, alloc.Get(autoid.AutoRandomType).Rebase(nil, 789, false))
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require.EqualValues(t, 123, alloc.Get(autoid.RowIDAllocType).Base())
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require.EqualValues(t, 456, alloc.Get(autoid.AutoIncrementType).Base())
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require.EqualValues(t, 789, alloc.Get(autoid.AutoRandomType).Base())
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}
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