AT_BANNER([sparse external arrays]) m4_divert_push([PREPARE_TESTS]) [sparse_xarray_queue_limit () { # Each on-disk sparse_xarray eats up a file descriptor, so for the # tests that involve on-disk sparse_xarrays we need to limit the # maximum length of the queue. Figure out how many file descriptors # we can let the test program open at once. OPEN_MAX=`getconf OPEN_MAX 2>/dev/null` case $OPEN_MAX in [0-9]*) # Divide by 2 because some fds are used by other code. queue_limit=`expr $OPEN_MAX / 2` ;; undefined) # Assume that any system with a dynamic fd limit has a large limit. queue_limit=500 ;; *) case `uname -m 2>/dev/null` in CYGWIN*) # Cygwin claims a 256-fd limit as OPEN_MAX in . queue_limit=128 ;; MINGW*) # The following email claims that Mingw should have a # 2048-fd limit: # http://www.mail-archive.com/squid-users@squid-cache.org/msg35249.html queue_limit=1024 ;; *) # This seems fairly conservative these days. queue_limit=50 ;; esac ;; esac echo "$queue_limit" }] m4_divert_pop([PREPARE_TESTS]) AT_SETUP([in-memory sparse_xarray]) dnl --values=3 would be a slightly better test but takes much longer. AT_CHECK([sparse-xarray-test$EXEEXT \ --verbosity=0 --queue-limit=`sparse_xarray_queue_limit` \ --columns=3 --max-rows=3 --max-memory-rows=3 --values=2], [0], [ignore], [ignore]) AT_CLEANUP m4_define([SPARSE_XARRAY_ON_DISK], [AT_SETUP([on-disk sparse_xarray max-memory-rows=$1]) AT_CHECK([sparse-xarray-test$EXEEXT \ --verbosity=0 --queue-limit=`sparse_xarray_queue_limit` \ --columns=2 --max-rows=3 --max-memory-rows=$1 --values=2], [0], [ignore], [ignore]) AT_CLEANUP]) SPARSE_XARRAY_ON_DISK([0]) SPARSE_XARRAY_ON_DISK([1]) SPARSE_XARRAY_ON_DISK([2]) AT_SETUP([copying between in-memory sparse_xarrays]) AT_KEYWORDS([sparse_xarray]) AT_CHECK([sparse-xarray-test$EXEEXT \ --verbosity=0 --queue-limit=`sparse_xarray_queue_limit` \ --columns=2 --max-rows=2 --max-memory-rows=2 --values=2 \ --xarrays=2 --no-write-rows --no-copy-columns], [0], [ignore], [ignore]) AT_CLEANUP m4_define([SPARSE_XARRAY_COPY_DISK], [AT_SETUP([copying between on-disk sparse_xarrays max-memory-rows=$1]) AT_KEYWORDS([sparse_xarray]) limit=`sparse_xarray_queue_limit` AT_CHECK([sparse-xarray-test$EXEEXT \ --verbosity=0 --queue-limit=`expr $limit / 2` \ --columns=1 --max-rows=2 --max-memory-rows=$max_memory_rows \ --values=2 --xarrays=2 --no-write-rows --no-copy-columns], [0], [ignore], [ignore]) AT_CLEANUP]) dnl These parameters are ridiculously low, but it's necessary dnl unless we want the tests to take a very long time. SPARSE_XARRAY_COPY_DISK([0]) SPARSE_XARRAY_COPY_DISK([1])