nix-super/tests/referrers.sh
Eelco Dolstra 7119d38287 * In the referrers test, lower the nesting depth from 2500 to 1000 to
prevent hitting a stack overflow bug in the garbage collector.
2010-10-04 22:26:38 +00:00

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source common.sh
# This takes way to long on Cygwin (because process creation is so slow...).
if test "$system" = i686-cygwin; then exit 0; fi
max=1000
reference=$NIX_STORE_DIR/abcdef
touch $reference
(echo $reference && echo && echo 0) | $nixstore --register-validity
echo "making registration..."
for ((n = 0; n < $max; n++)); do
storePath=$NIX_STORE_DIR/$n
touch $storePath
ref2=$NIX_STORE_DIR/$((n+1))
if test $((n+1)) = $max; then
ref2=$reference
fi
(echo $storePath && echo && echo 2 && echo $reference && echo $ref2)
done > $TEST_ROOT/reg_info
echo "registering..."
time $nixstore --register-validity < $TEST_ROOT/reg_info
oldTime=$(cat test-tmp/db/info/1 | grep Registered-At)
echo "sleeping..."
sleep 2
echo "reregistering..."
time $nixstore --register-validity --reregister < $TEST_ROOT/reg_info
newTime=$(cat test-tmp/db/info/1 | grep Registered-At)
if test "$newTime" != "$oldTime"; then
echo "reregistration changed original registration time"
exit 1
fi
if test "$(cat test-tmp/db/referrer/1 | wc -w)" -ne 1; then
echo "reregistration duplicated referrers"
exit 1
fi
echo "collecting garbage..."
ln -sfn $reference "$NIX_STATE_DIR"/gcroots/ref
time $nixstore --gc
if test "$(cat test-tmp/db/referrer/abcdef | wc -w)" -ne 0; then
echo "referrers not cleaned up"
exit 1
fi