mirror of https://github.com/golang/go.git
489f65b52a
The TestInterfaceAddrsWithNetsh Windows unit test parses and compares the
output of the "netsh" command against more low level Windows API calls. In
at least two cases, some quirks of netsh cause these comparisons to fail.
One example appears to be wi-fi adapters. After a reboot, before it has
been allowed to connect to a network, netsh for IPv4 will not show an
address, whereas netsh for IPv6 will. If the interface is allowed to
connect, and then disconnected, netsh for IPv4 now shows an address and
the test will pass.
The fix is to not compare netsh output if the interface is down.
A related issue is that the IPv6 version of "netsh" can return an
IPv4-embedded IPv6 address where the IPv4 component of the address
is in decimal form, whilst the test is expecting hexadecimal form.
For example, output might be:
Address fe80::5efe:192.168.1.7%6 Parameters
...
Whilst this is valid notation, the fix is to recognise this format in the
"netsh" output and re-parse the address into the all-hexadecimal
representation that the test is expecting.
Fixes #13981
Change-Id: Ie8366673f4d43d07bad80d6d5d1d6e33f654b6cc
Reviewed-on: https://go-review.googlesource.com/18711
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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