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#!/bin/sh
# Copyright (c) 2005, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ---
# Author: Maxim Lifantsev
#
# Run the heap checker unittest in a mode where it is supposed to crash and
# return an error if it doesn't.
# We expect BINDIR to be set in the environment.
# If not, we set it to some reasonable value.
BINDIR="${BINDIR:-.}"
if [ "x$1" = "x-h" -o "x$1" = "x--help" ]; then
echo "USAGE: $0 [unittest dir]"
echo " By default, unittest_dir=$BINDIR"
exit 1
fi
EXE="${1:-$BINDIR/heap-checker_unittest}"
TMPDIR="/tmp/heap_check_death_info"
ALARM() {
# You need perl to run pprof, so I assume it's installed
perl -e '
$timeout=$ARGV[0]; shift;
$retval = 255; # the default retval, for the case where we timed out
eval { # need to run in an eval-block to trigger during system()
local $SIG{ALRM} = sub { die "alarm\n" }; # \n is required!
alarm $timeout;
$retval = system(@ARGV);
# Make retval bash-style: exit status, or 128+n if terminated by signal n
$retval = ($retval & 127) ? (128 + $retval) : ($retval >> 8);
alarm 0;
};
exit $retval; # return system()-retval, or 255 if system() never returned
' "$@"
}
# $1: timeout for alarm;
# $2: regexp of expected exit code(s);
# $3: regexp to match a line in the output;
# $4: regexp to not match a line in the output;
# $5+ args to pass to $EXE
Test() {
# Note: make sure these varnames don't conflict with any vars outside Test()!
timeout="$1"
shift
expected_ec="$1"
shift
expected_regexp="$1"
shift
unexpected_regexp="$1"
shift
echo -n "Testing $EXE with $@ ... "
output="$TMPDIR/output"
ALARM $timeout env "$@" $EXE > "$output" 2>&1
actual_ec=$?
ec_ok=`expr "$actual_ec" : "$expected_ec$" >/dev/null || echo false`
matches_ok=`test -z "$expected_regexp" || \
grep "$expected_regexp" "$output" >/dev/null 2>&1 || echo false`
negmatches_ok=`test -z "$unexpected_regexp" || \
! grep "$unexpected_regexp" "$output" >/dev/null 2>&1 || echo false`
if $ec_ok && $matches_ok && $negmatches_ok; then
echo "PASS"
return 0 # 0: success
fi
# If we get here, we failed. Now we just need to report why
echo "FAIL"
if [ $actual_ec -eq 255 ]; then # 255 == SIGTERM due to $ALARM
echo "Test was taking unexpectedly long time to run and so we aborted it."
echo "Try the test case manually or raise the timeout from $timeout"
echo "to distinguish test slowness from a real problem."
else
$ec_ok || \
echo "Wrong exit code: expected: '$expected_ec'; actual: $actual_ec"
$matches_ok || \
echo "Output did not match '$expected_regexp'"
$negmatches_ok || \
echo "Output unexpectedly matched '$unexpected_regexp'"
fi
echo "Output from failed run:"
echo "---"
cat "$output"
echo "---"
return 1 # 1: failure
}
TMPDIR=/tmp/heap_check_death_info
rm -rf $TMPDIR || exit 1
mkdir $TMPDIR || exit 2
export HEAPCHECK=strict # default mode
# These invocations should pass (0 == PASS):
# This tests that turning leak-checker off dynamically works fine
Test 120 0 "^PASS$" "" HEAPCHECK="" || exit 1
# This disables threads so we can cause leaks reliably and test finding them
Test 120 0 "^PASS$" "" HEAP_CHECKER_TEST_NO_THREADS=1 || exit 2
# Test that --test_cancel_global_check works
Test 20 0 "Canceling .* whole-program .* leak check$" "" \
HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_TEST_CANCEL_GLOBAL_CHECK=1 || exit 3
Test 20 0 "Canceling .* whole-program .* leak check$" "" \
HEAP_CHECKER_TEST_TEST_LOOP_LEAK=1 HEAP_CHECKER_TEST_TEST_CANCEL_GLOBAL_CHECK=1 || exit 4
# Test that very early log messages are present and controllable:
EARLY_MSG="Starting tracking the heap$"
Test 60 0 "$EARLY_MSG" "" \
HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
PERFTOOLS_VERBOSE=10 || exit 5
Test 60 0 "MemoryRegionMap Init$" "" \
HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
PERFTOOLS_VERBOSE=11 || exit 6
Test 60 0 "" "$EARLY_MSG" \
HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
PERFTOOLS_VERBOSE=-11 || exit 7
# These invocations should fail with very high probability,
# rather than return 0 or hang (1 == exit(1), 134 == abort(), 139 = SIGSEGV):
Test 60 1 "Exiting .* because of .* leaks$" "" \
HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 || exit 8
Test 60 1 "Exiting .* because of .* leaks$" "" \
HEAP_CHECKER_TEST_TEST_LOOP_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 || exit 9
# Test that we produce a reasonable textual leak report.
Test 60 1 "MakeALeak" "" \
HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
|| exit 10
# Test that very early log messages are present and controllable:
Test 60 1 "Starting tracking the heap$" "" \
HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 PERFTOOLS_VERBOSE=10 \
|| exit 11
Test 60 1 "" "Starting tracking the heap" \
HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 PERFTOOLS_VERBOSE=-10 \
|| exit 12
cd / # so we're not in TMPDIR when we delete it
rm -rf $TMPDIR
echo "PASS"
exit 0
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