26 lines
685 B
Go
26 lines
685 B
Go
// Copyright 2020 PingCAP, Inc. Licensed under Apache-2.0.
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package utils
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestClampInt(t *testing.T) {
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require.Equal(t, 3, ClampInt(100, 1, 3))
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require.Equal(t, 2, ClampInt(2, 1, 3))
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require.Equal(t, 1, ClampInt(0, 1, 3))
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require.Equal(t, 1, ClampInt(0, 1, 1))
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require.Equal(t, 1, ClampInt(100, 1, 1))
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}
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func TestNextPowerOfTwo(t *testing.T) {
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require.Equal(t, int64(1), NextPowerOfTwo(1))
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require.Equal(t, int64(4), NextPowerOfTwo(3))
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require.Equal(t, int64(256), NextPowerOfTwo(255))
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require.Equal(t, int64(1024), NextPowerOfTwo(1024))
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require.Equal(t, int64(0x100000000), NextPowerOfTwo(0xabcd1234))
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}
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