Isolate The Untestable Part
First, Isolate The Untestable Part
sub should_i_sleep {
my($power_remaining) = @_;
snooze if $power_remaining < $Min_Power;
return 1;
}
sub snooze {
system("/sbin/snooze");
}
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Test snooze() by hand once.
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It's small, so you can get away with it
