[PATCH 2/4] tests: add option_u.test

["Zhou, Wenjian/周文剑"]

On 03/25/2016 06:48 AM, Dmitry V. Levin wrote:
> On Wed, Mar 23, 2016 at 04:56:37PM +0800, Zhou Wenjian wrote:
>> --- /dev/null
>> +++ b/tests/option_u.test
>> @@ -0,0 +1,13 @@
>> +#!/bin/sh
>> +
>> +# Check option -u.
>> +
>> +. "${srcdir=.}/init.sh"
>> +
>> +user=$(tail -n 1 /etc/passwd | awk -F ":" '{print $1}')
>
> What is it?
>

It is used to get a user's name.
Then use strace tracing "whoami".
If -u option works, the output of "whoami" will be the user's name.


>> +OUT="$LOG.out"
>> +run_prog whoami
>> +run_strace -u $user $args > "$OUT"
>
> Really?
>
>> +echo $user > "$LOG"
>> +match_diff "$LOG" "$OUT"
>
> Does it have anything to do with strace?
>
>

Why isn't it -u option's work?

-- 
Thanks
Zhou

>
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