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[libFuzzer] Reduce flakiness of merge-sigusr.test.

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Double the number of files to merge, and use wait instead of sleep.

llvm-svn: 361313
This commit is contained in:
Matt Morehouse 2019-05-21 21:15:51 +00:00
parent 8692af253c
commit df17ddf9fc
1 changed files with 10 additions and 3 deletions
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13
compiler-rt/test/fuzzer/merge-sigusr.test
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@ -1,8 +1,7 @@
# Check that libFuzzer honors SIGUSR1/SIGUSR2
# FIXME: Disabled on Windows for now because of reliance on posix only features
# (eg: export, "&", pkill).
# TODO(morehouse): rethink test and reenable for linux.
UNSUPPORTED: darwin, windows, linux
UNSUPPORTED: darwin, windows
RUN: rm -rf %t
RUN: mkdir -p %t
RUN: %cpp_compiler %S/SleepOneSecondTest.cpp -o %t/LFSIGUSR
@ -15,12 +14,20 @@ RUN: echo d > %t/C2/d
RUN: echo e > %t/C2/e
RUN: echo f > %t/C2/f
RUN: echo g > %t/C2/g
RUN: echo h > %t/C2/g
RUN: echo i > %t/C2/g
RUN: echo j > %t/C2/g
RUN: echo k > %t/C2/g
RUN: echo l > %t/C2/g
RUN: echo m > %t/C2/g
RUN: echo n > %t/C2/g
RUN: echo o > %t/C2/g
RUN: %run %t/LFSIGUSR -merge=1 -merge_control_file=%t/MCF %t/C1 %t/C2 2>%t/log & export PID=$!
RUN: sleep 3
RUN: pkill -SIGUSR2 -P $PID
RUN: kill -SIGUSR2 $PID
RUN: sleep 6
RUN: wait $PID
RUN: cat %t/log | FileCheck %s --dump-input=fail
RUN: grep C2/g %t/MCF
RUN: grep STARTED %t/MCF