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35 lines
640 B
35 lines
640 B
package lfu_test
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import (
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"cache/lfu"
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"github.com/matryer/is"
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"testing"
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)
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func TestSet(t *testing.T) {
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is := is.New(t)
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cache := lfu.New(24, nil)
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cache.DelOldest()
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cache.Set("k1", 1)
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v := cache.Get("k1")
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is.Equal(v, 1)
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cache.Del("k1")
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is.Equal(0, cache.Len())
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}
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func TestOnEvicted(t *testing.T) {
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is := is.New(t)
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keys := make([]string, 0, 8)
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onEvicted := func(key string, value interface{}) {
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keys = append(keys, key)
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}
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cache := lfu.New(32, onEvicted)
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cache.Set("k1", 1)
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cache.Set("k2", 2)
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cache.Set("k3", 3)
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cache.Set("k4", 4)
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expected := []string{"k1", "k3"}
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is.Equal(expected, keys)
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is.Equal(2, cache.Len())
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}
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