mirror of
https://github.com/gravitational/teleport.git
synced 2026-09-19 11:00:37 +08:00
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package utils
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"github.com/stretchr/testify/require"
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)
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func TestNewCircularBuffer(t *testing.T) {
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t.Parallel()
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buff, err := NewCircularBuffer(-1)
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require.Error(t, err)
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require.Nil(t, buff)
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buff, err = NewCircularBuffer(5)
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require.NoError(t, err)
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require.NotNil(t, buff)
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require.Len(t, buff.buf, 5)
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}
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func TestCircularBuffer_Data(t *testing.T) {
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t.Parallel()
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buff, err := NewCircularBuffer(5)
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require.NoError(t, err)
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expectData := func(expected []float64) {
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for i := range 15 {
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e := expected
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if i <= len(expected) {
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e = expected[len(expected)-i:]
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}
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require.Empty(t, cmp.Diff(e, buff.Data(i), cmpopts.EquateEmpty()), "i = %v", i)
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}
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}
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expectData(nil)
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buff.Add(1)
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expectData([]float64{1})
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buff.Add(2)
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buff.Add(3)
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buff.Add(4)
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expectData([]float64{1, 2, 3, 4})
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buff.Add(5)
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buff.Add(6)
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buff.Add(7)
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expectData([]float64{3, 4, 5, 6, 7})
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}
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