Fix a test launcher hang when no tests are run.

Fix a test launcher hang when no tests are run.

BUG=285051
R=kbr@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=221228

[Ken Russell (switch to Gerrit), 2013-09-04 18:00:29]

LGTM

https://codereview.chromium.org/23506031/diff/1/base/test/test_launcher.cc
File base/test/test_launcher.cc (right):

https://codereview.chromium.org/23506031/diff/1/base/test/test_launcher.cc#ne...
base/test/test_launcher.cc:237: fprintf(stdout, "0 tests run\n");
Did you mean to leave this printf in here?

[Paweł Hajdan Jr., 2013-09-04 18:02:30]

https://codereview.chromium.org/23506031/diff/1/base/test/test_launcher.cc
File base/test/test_launcher.cc (right):

https://codereview.chromium.org/23506031/diff/1/base/test/test_launcher.cc#ne...
base/test/test_launcher.cc:237: fprintf(stdout, "0 tests run\n");
On 2013/09/04 18:00:30, Ken Russell wrote:
> Did you mean to leave this printf in here?

Yes - it corresponds to "x tests run" below and explains a quick exit. :)

[Ken Russell (switch to Gerrit), 2013-09-04 18:07:02]

BTW, is there a test for this test launcher bug? :)

[Paweł Hajdan Jr., 2013-09-04 18:17:32]

Committed patchset #1 manually as r221228 (presubmit successful).