third_party/tcmalloc/chromium/src/tests/heap-checker-death_unittest.sh

   1 #!/bin/sh
   2 # Copyright (c) 2005, Google Inc.
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 #     * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #     * Redistributions in binary form must reproduce the above
  12 # copyright notice, this list of conditions and the following disclaimer
  13 # in the documentation and/or other materials provided with the
  14 # distribution.
  15 #     * Neither the name of Google Inc. nor the names of its
  16 # contributors may be used to endorse or promote products derived from
  17 # this software without specific prior written permission.
  18 #
  19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30
  31 # ---
  32 # Author: Maxim Lifantsev
  33 #
  34 # Run the heap checker unittest in a mode where it is supposed to crash and
  35 # return an error if it doesn't.
  36
  37 # We expect BINDIR to be set in the environment.
  38 # If not, we set it to some reasonable value.
  39 BINDIR="${BINDIR:-.}"
  40
  41 if [ "x$1" = "x-h" -o "x$1" = "x--help" ]; then
  42   echo "USAGE: $0 [unittest dir]"
  43   echo "       By default, unittest_dir=$BINDIR"
  44   exit 1
  45 fi
  46
  47 EXE="${1:-$BINDIR}/heap-checker_unittest"
  48 TMPDIR="/tmp/heap_check_death_info"
  49
  50 ALARM() {
  51   # You need perl to run pprof, so I assume it's installed
  52   perl -e '
  53     $timeout=$ARGV[0]; shift;
  54     $retval = 255;   # the default retval, for the case where we timed out
  55     eval {           # need to run in an eval-block to trigger during system()
  56       local $SIG{ALRM} = sub { die "alarm\n" };  # \n is required!
  57       alarm $timeout;
  58       $retval = system(@ARGV);
  59       # Make retval bash-style: exit status, or 128+n if terminated by signal n
  60       $retval = ($retval & 127) ? (128 + $retval) : ($retval >> 8);
  61       alarm 0;
  62     };
  63     exit $retval;  # return system()-retval, or 255 if system() never returned
  64 ' "$@"
  65 }
  66
  67 # $1: timeout for alarm;
  68 # $2: regexp of expected exit code(s);
  69 # $3: regexp to match a line in the output;
  70 # $4: regexp to not match a line in the output;
  71 # $5+ args to pass to $EXE
  72 Test() {
  73   # Note: make sure these varnames don't conflict with any vars outside Test()!
  74   timeout="$1"
  75   shift
  76   expected_ec="$1"
  77   shift
  78   expected_regexp="$1"
  79   shift
  80   unexpected_regexp="$1"
  81   shift
  82
  83   echo -n "Testing $EXE with $@ ... "
  84   output="$TMPDIR/output"
  85   ALARM $timeout env "$@" $EXE > "$output" 2>&1
  86   actual_ec=$?
  87   ec_ok=`expr "$actual_ec" : "$expected_ec$" >/dev/null || echo false`
  88   matches_ok=`test -z "$expected_regexp" || \
  89               grep "$expected_regexp" "$output" >/dev/null 2>&1 || echo false`
  90   negmatches_ok=`test -z "$unexpected_regexp" || \
  91                  ! grep "$unexpected_regexp" "$output" >/dev/null 2>&1 || echo false`
  92   if $ec_ok && $matches_ok && $negmatches_ok; then
  93     echo "PASS"
  94     return 0  # 0: success
  95   fi
  96   # If we get here, we failed.  Now we just need to report why
  97   echo "FAIL"
  98   if [ $actual_ec -eq 255 ]; then  # 255 == SIGTERM due to $ALARM
  99     echo "Test was taking unexpectedly long time to run and so we aborted it."
 100     echo "Try the test case manually or raise the timeout from $timeout"
 101     echo "to distinguish test slowness from a real problem."
 102   else
 103     $ec_ok || \
 104       echo "Wrong exit code: expected: '$expected_ec'; actual: $actual_ec"
 105     $matches_ok || \
 106       echo "Output did not match '$expected_regexp'"
 107     $negmatches_ok || \
 108       echo "Output unexpectedly matched '$unexpected_regexp'"
 109   fi
 110   echo "Output from failed run:"
 111   echo "---"
 112   cat "$output"
 113   echo "---"
 114   return 1  # 1: failure
 115 }
 116
 117 TMPDIR=/tmp/heap_check_death_info
 118 rm -rf $TMPDIR || exit 1
 119 mkdir $TMPDIR || exit 2
 120
 121 export HEAPCHECK=strict       # default mode
 122
 123 # These invocations should pass (0 == PASS):
 124
 125 # This tests that turning leak-checker off dynamically works fine
 126 Test 120 0 "^PASS$" "" HEAPCHECK="" || exit 1
 127
 128 # This disables threads so we can cause leaks reliably and test finding them
 129 Test 120 0 "^PASS$" "" HEAP_CHECKER_TEST_NO_THREADS=1 || exit 2
 130
 131 # Test that --test_cancel_global_check works
 132 Test 20 0 "Canceling .* whole-program .* leak check$" "" \
 133   HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_TEST_CANCEL_GLOBAL_CHECK=1 || exit 3
 134 Test 20 0 "Canceling .* whole-program .* leak check$" "" \
 135   HEAP_CHECKER_TEST_TEST_LOOP_LEAK=1 HEAP_CHECKER_TEST_TEST_CANCEL_GLOBAL_CHECK=1 || exit 4
 136
 137 # Test that very early log messages are present and controllable:
 138 EARLY_MSG="Starting tracking the heap$"
 139
 140 Test 60 0 "$EARLY_MSG" "" \
 141   HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
 142   PERFTOOLS_VERBOSE=10 || exit 5
 143 Test 60 0 "MemoryRegionMap Init$" "" \
 144   HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
 145   PERFTOOLS_VERBOSE=11 || exit 6
 146 Test 60 0 "" "$EARLY_MSG" \
 147   HEAPCHECK="" HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 \
 148   PERFTOOLS_VERBOSE=-11 || exit 7
 149
 150 # These invocations should fail with very high probability,
 151 # rather than return 0 or hang (1 == exit(1), 134 == abort(), 139 = SIGSEGV):
 152
 153 Test 60 1 "Exiting .* because of .* leaks$" "" \
 154   HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 || exit 8
 155 Test 60 1 "Exiting .* because of .* leaks$" "" \
 156   HEAP_CHECKER_TEST_TEST_LOOP_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 || exit 9
 157
 158 # Test that we produce a reasonable textual leak report.
 159 Test 60 1 "MakeALeak" "" \
 160           HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECK_TEST_NO_THREADS=1 \
 161   || exit 10
 162
 163 # Test that very early log messages are present and controllable:
 164 Test 60 1 "Starting tracking the heap$" "" \
 165   HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 PERFTOOLS_VERBOSE=10 \
 166   || exit 11
 167 Test 60 1 "" "Starting tracking the heap" \
 168   HEAP_CHECKER_TEST_TEST_LEAK=1 HEAP_CHECKER_TEST_NO_THREADS=1 PERFTOOLS_VERBOSE=-10 \
 169   || exit 12
 170
 171 cd /    # so we're not in TMPDIR when we delete it
 172 rm -rf $TMPDIR
 173
 174 echo "PASS"
 175
 176 exit 0