[pulseaudio-tickets] [Bug 72374] volume-test.c from PA 4.0 fails on 32-bit GNU/Linux

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72374

--- Comment #1 from Tanu Kaskinen <tanuk at iki.fi> ---
This is reproducible on my machine too (64-bit, GCC 4.8.2). I tried v2.0, v3.0,
v4.0 and the current master, and the test fails always, so this is not any new
breakage. The test passes on my previous computer (I didn't try now, but I have
run the test set before).

volume-test does about 9 million volume conversion tests. In each test, a
pa_volume_t value is converted to a linear volume factor and a dB value, and
then the linear factor and the dB value are converted back to pa_volume_t. If
either of the resulting pa_volume_t values differ from the original, mdn is
incremented. Out of the 9 million tests, 251 are allowed to "fail", because
sometimes there's a rounding error.

On your machine 252 tests fail, and on my machines the number is 253. The
variance seems to come from hardware differences. It seems pretty safe to
increase the allowed failure limit from 251 to 253.

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