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engine: resources: net: test: Add some go tests

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This patch adds go tests for NetRes.unitFileContents(), socketSet.fdSet(),
and socketSet.nfd(), in the net resource.
This commit is contained in:
Jonathan Gold
2018-04-01 05:13:44 -04:00
committed by James Shubin
parent de90b592fb
commit 7c817802a8
2 changed files with 171 additions and 1 deletions
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6
engine/resources/net.go
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@@ -882,7 +882,11 @@ func (obj *socketSet) nfd() int {
// and fdPipe. See man select for more info.
func (obj *socketSet) fdSet() *unix.FdSet {
fdSet := &unix.FdSet{}
// Generate the bitmask representing the file descriptors in the socketSet.
// The rightmost bit corresponds to file descriptor zero, and each bit to
// the left represents the next file descriptor number in the sequence of
// all real numbers. E.g. the FdSet containing containing 0 and 4 is 10001.
fdSet.Bits[obj.fdEvents/64] |= 1 << uint(obj.fdEvents)
fdSet.Bits[obj.fdPipe/64] |= 1 << uint(obj.fdPipe) // fd = 3 becomes 100 if we add 5, we get 10100
fdSet.Bits[obj.fdPipe/64] |= 1 << uint(obj.fdPipe)
return fdSet
}