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Flush calls onEvicted #122

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Flush calls onEvicted #122

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9 changes: 9 additions & 0 deletions cache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1063,9 +1063,18 @@ func (c *cache) ItemCount() int {

// Delete all items from the cache.
func (c *cache) Flush() {
var oldCache map[string]Item

c.mu.Lock()
if c.onEvicted != nil {
oldCache = c.items
}
c.items = map[string]Item{}
c.mu.Unlock()

for k, v := range oldCache {
c.onEvicted(k, v.Object)
}
}

type janitor struct {
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17 changes: 17 additions & 0 deletions cache_test.go
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Expand Up @@ -1179,6 +1179,23 @@ func TestFlush(t *testing.T) {
if x != nil {
t.Error("x is not nil:", x)
}

evictMask := 0
tc.OnEvicted(func(k string, v interface{}) {
if k == "foo" && v.(string) == "bar" {
evictMask |= 0x1
}
if k == "baz" && v.(string) == "yes" {
evictMask |= 0x2
}
})
tc.Set("foo", "bar", DefaultExpiration)
tc.Set("baz", "yes", DefaultExpiration)
tc.Flush()

if evictMask != 0x3 {
t.Error("on evicted on flush fails")
}
}

func TestIncrementOverflowInt(t *testing.T) {
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