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net/http: relax the matching of strace output in test

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Modify the regex in TestLinuxSendfile to not match the parameters of
the syscall, just its name and the opening parenthesis. This is enough
to recognize that the syscall was invoked.

This fixes the TestLinuxSendfile test when running in Clear Linux,
where strace always execute with -yy implied, having output with extra
information in the parameters:

    [pid  5336] sendfile(6<TCP:[127.0.0.1:35007->127.0.0.1:55170]>, 8</home/c/src/go/src/net/http/testdata/index.html>, NULL, 22) = 22

Change-Id: If7639b785d5fdf65fae8e6149a97a57b06ea981c
Reviewed-on: https://go-review.googlesource.com/85657
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:
Caio Marcelo de Oliveira Filho 2018-01-01 17:17:14 -08:00 committed by Brad Fitzpatrick
parent 5305bdd86b
commit 2ba3fd484b
1 changed files with 1 additions and 1 deletions
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2
src/net/http/fs_test.go
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@ -1140,7 +1140,7 @@ func TestLinuxSendfile(t *testing.T) {
Post(fmt.Sprintf("http://%s/quit", ln.Addr()), "", nil)
child.Wait()
rx := regexp.MustCompile(`sendfile(64)?\(\d+,\s*\d+,\s*NULL,\s*\d+`)
rx := regexp.MustCompile(`sendfile(64)?\(`)
out := buf.String()
if !rx.MatchString(out) {
t.Errorf("no sendfile system call found in:\n%s", out)