29 lines
445 B
Go
29 lines
445 B
Go
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package atomicx_test
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import (
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"sync"
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"testing"
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"github.com/ooni/probe-cli/v3/internal/atomicx"
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)
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func TestInt64(t *testing.T) {
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v := &atomicx.Int64{}
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var wg sync.WaitGroup
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// many goroutines update the value in parallel
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for i := 0; i < 31; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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v.Add(1)
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}()
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}
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wg.Wait()
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if v.Add(3) != 34 {
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t.Fatal("unexpected result")
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}
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if v.Load() != 34 {
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t.Fatal("unexpected result")
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}
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}
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