68 lines
1.0 KiB
Go
68 lines
1.0 KiB
Go
package boltdb
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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 TestQuickselect(t *testing.T) {
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{
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its := iterators{
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{last: 781},
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{last: 900},
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{last: 1},
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{last: 81},
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{last: 325},
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{last: 781},
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{last: 562},
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{last: 81},
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{last: 444},
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}
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its.quickselect(3)
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require.ElementsMatch(t,
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[]uint32{its[0].last, its[1].last, its[2].last},
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[]uint32{900, 781, 781},
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)
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}
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{
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its := iterators{
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{last: 781},
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{last: 781},
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{last: 900},
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{last: 1},
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{last: 87},
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{last: 315},
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{last: 789},
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{last: 500},
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{last: 812},
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{last: 306},
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{last: 612},
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{last: 444},
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{last: 59},
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{last: 441},
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{last: 901},
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{last: 901},
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{last: 2},
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{last: 81},
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{last: 325},
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{last: 781},
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{last: 562},
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{last: 81},
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{last: 326},
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{last: 662},
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{last: 444},
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{last: 81},
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{last: 444},
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}
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its.quickselect(6)
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require.ElementsMatch(t,
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[]uint32{its[0].last, its[1].last, its[2].last, its[3].last, its[4].last, its[5].last},
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[]uint32{901, 900, 901, 781, 812, 789},
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)
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}
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}
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