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Attempt to make async buffer test more reliable

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This commit is contained in:
Nick Craig-Wood 2017-05-24 16:24:06 +01:00
parent 55755a8e5b
commit ae9f8304fa
1 changed files with 4 additions and 1 deletions
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5
fs/buffer_test.go
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@ -248,10 +248,12 @@ func testAsyncReaderClose(t *testing.T, writeto bool) {
var copyN int64 var copyN int64
var copyErr error var copyErr error
var wg sync.WaitGroup var wg sync.WaitGroup
started := make(chan struct{})
wg.Add(1) wg.Add(1)
go func() { go func() {
defer wg.Done() defer wg.Done()
if true { close(started)
if writeto {
// exercise the WriteTo path // exercise the WriteTo path
copyN, copyErr = a.WriteTo(ioutil.Discard) copyN, copyErr = a.WriteTo(ioutil.Discard)
} else { } else {
@ -268,6 +270,7 @@ func testAsyncReaderClose(t *testing.T, writeto bool) {
} }
}() }()
// Do some copying // Do some copying
<-started
time.Sleep(100 * time.Millisecond) time.Sleep(100 * time.Millisecond)
// Abandon the copy // Abandon the copy
a.Abandon() a.Abandon()