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Diffstat (limited to 'tests/util/xmalloc-t')
| -rwxr-xr-x | tests/util/xmalloc-t | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/tests/util/xmalloc-t b/tests/util/xmalloc-t new file mode 100755 index 0000000..02f54b5 --- /dev/null +++ b/tests/util/xmalloc-t @@ -0,0 +1,127 @@ +#! /bin/sh +# +# Test suite for xmalloc and friends. +# +# Written by Russ Allbery <rra@stanford.edu> +# Copyright 2008, 2009, 2010 Board of Trustees, Leland Stanford Jr. University +# Copyright 2004, 2005, 2006 +# by Internet Systems Consortium, Inc. ("ISC") +# Copyright 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003 by The Internet Software Consortium and Rich Salz +# +# See LICENSE for licensing terms. + +. "$SOURCE/tap/libtap.sh" +cd "$BUILD/util" + +# Run an xmalloc test. Takes the description, the expectd exit status, the +# output, and the arguments. +ok_xmalloc () { + local desc w_status w_output output status + desc="$1" + shift + w_status="$1" + shift + w_output="$1" + shift + output=`./xmalloc "$@" 2>&1` + status=$? + if [ "$w_status" -ne 0 ] ; then + output=`echo "$output" | sed 's/:.*//'` + fi + if [ $status = $w_status ] && [ x"$output" = x"$w_output" ] ; then + ok "$desc" true + elif [ $status = 2 ] ; then + skip "no data limit support" + else + echo "# saw: ($status) $output" + echo "# not: ($w_status) $w_output" + ok "$desc" false + fi +} + +# Skip this test suite unless maintainer-mode tests are enabled. All of the +# failures in automated testing have been problems with the assumptions around +# memory allocation or problems with the test suite, not problems with the +# underlying xmalloc code. +if [ -z "$RRA_MAINTAINER_TESTS" ] ; then + skip_all 'xmalloc tests only run for maintainer' +fi + +# Total tests. +plan 36 + +# First run the tests expected to succeed. +ok_xmalloc "malloc small" 0 "" "m" "21" "0" +ok_xmalloc "malloc large" 0 "" "m" "3500000" "0" +ok_xmalloc "malloc zero" 0 "" "m" "0" "0" +ok_xmalloc "realloc small" 0 "" "r" "21" "0" +ok_xmalloc "realloc large" 0 "" "r" "3500000" "0" +ok_xmalloc "strdup small" 0 "" "s" "21" "0" +ok_xmalloc "strdup large" 0 "" "s" "3500000" "0" +ok_xmalloc "strndup small" 0 "" "n" "21" "0" +ok_xmalloc "strndup large" 0 "" "n" "3500000" "0" +ok_xmalloc "calloc small" 0 "" "c" "24" "0" +ok_xmalloc "calloc large" 0 "" "c" "3500000" "0" +ok_xmalloc "asprintf small" 0 "" "a" "24" "0" +ok_xmalloc "asprintf large" 0 "" "a" "3500000" "0" +ok_xmalloc "vasprintf small" 0 "" "v" "24" "0" +ok_xmalloc "vasprintf large" 0 "" "v" "3500000" "0" + +# Now limit our memory to 3.5MB and then try the large ones again, all of +# which should fail. +# +# The exact memory limits used here are essentially black magic. They need to +# be large enough to allow the program to be loaded and do small allocations, +# but not so large that we can't reasonably expect to allocate that much +# memory normally. 3.5MB seems to work reasonably well on both Solaris and +# Linux. +# +# We assume that there are enough miscellaneous allocations that an allocation +# exactly as large as the limit will always fail. +ok_xmalloc "malloc fail" 1 \ + "failed to malloc 3500000 bytes at xmalloc.c line 38" \ + "m" "3500000" "3500000" +ok_xmalloc "realloc fail" 1 \ + "failed to realloc 3500000 bytes at xmalloc.c line 66" \ + "r" "3500000" "3500000" +ok_xmalloc "strdup fail" 1 \ + "failed to strdup 3500000 bytes at xmalloc.c line 97" \ + "s" "3500000" "3500000" +ok_xmalloc "strndup fail" 1 \ + "failed to strndup 3500000 bytes at xmalloc.c line 124" \ + "n" "3500000" "3500000" +ok_xmalloc "calloc fail" 1 \ + "failed to calloc 3500000 bytes at xmalloc.c line 148" \ + "c" "3500000" "3500000" +ok_xmalloc "asprintf fail" 1 \ + "failed to asprintf 3500000 bytes at xmalloc.c line 173" \ + "a" "3500000" "3500000" +ok_xmalloc "vasprintf fail" 1 \ + "failed to vasprintf 3500000 bytes at xmalloc.c line 193" \ + "v" "3500000" "3500000" + +# Check our custom error handler. +ok_xmalloc "malloc custom" 1 "malloc 3500000 xmalloc.c 38" \ + "M" "3500000" "3500000" +ok_xmalloc "realloc custom" 1 "realloc 3500000 xmalloc.c 66" \ + "R" "3500000" "3500000" +ok_xmalloc "strdup custom" 1 "strdup 3500000 xmalloc.c 97" \ + "S" "3500000" "3500000" +ok_xmalloc "strndup custom" 1 "strndup 3500000 xmalloc.c 124" \ + "N" "3500000" "3500000" +ok_xmalloc "calloc custom" 1 "calloc 3500000 xmalloc.c 148" \ + "C" "3500000" "3500000" +ok_xmalloc "asprintf custom" 1 "asprintf 3500000 xmalloc.c 173" \ + "A" "3500000" "3500000" +ok_xmalloc "vasprintf custom" 1 "vasprintf 3500000 xmalloc.c 193" \ + "V" "3500000" "3500000" + +# Check the smaller ones again just for grins. +ok_xmalloc "malloc retry" 0 "" "m" "21" "3500000" +ok_xmalloc "realloc retry" 0 "" "r" "32" "3500000" +ok_xmalloc "strdup retry" 0 "" "s" "64" "3500000" +ok_xmalloc "strndup retry" 0 "" "n" "20" "3500000" +ok_xmalloc "calloc retry" 0 "" "c" "24" "3500000" +ok_xmalloc "asprintf retry" 0 "" "a" "30" "3500000" +ok_xmalloc "vasprintf retry" 0 "" "v" "35" "3500000" |