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context: test WithCancel with canceled parent

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Change-Id: I32079cc12cfffb8520f0073a8b5119705dc0cd1b
Reviewed-on: https://go-review.googlesource.com/27401
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Jaana Burcu Dogan 2016-08-19 11:13:11 -07:00
parent 3de7dbb191
commit ab9137dd24
1 changed files with 15 additions and 0 deletions
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15
src/context/context_test.go
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@ -584,6 +584,21 @@ func TestCancelRemoves(t *testing.T) {
checkChildren("after cancelling WithTimeout child", ctx, 0)
}
func TestWithCancelCanceledParent(t *testing.T) {
parent, pcancel := WithCancel(Background())
pcancel()
c, _ := WithCancel(parent)
select {
case <-c.Done():
case <-time.After(5 * time.Second):
t.Fatal("timeout waiting for Done")
}
if got, want := c.Err(), Canceled; got != want {
t.Errorf("child not cancelled; got = %v, want = %v", got, want)
}
}
func TestWithValueChecksKey(t *testing.T) {
panicVal := recoveredValue(func() { WithValue(Background(), []byte("foo"), "bar") })
if panicVal == nil {