Squashed 'third_party/gperftools/' content from commit 54505f1

Change-Id: Id02e833828732b0efe7dac722b8485279e67c5fa
git-subtree-dir: third_party/gperftools
git-subtree-split: 54505f1d50c2d1f4676f5e87090b64a117fd980e
diff --git a/src/tests/heap-checker_unittest.sh b/src/tests/heap-checker_unittest.sh
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+++ b/src/tests/heap-checker_unittest.sh
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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: Craig Silverstein
+#
+# Runs the heap-checker unittest with various environment variables.
+# This is necessary because we turn on features like the heap profiler
+# and heap checker via environment variables.  This test makes sure
+# they all play well together.
+
+# We expect BINDIR and PPROF_PATH to be set in the environment.
+# If not, we set them to some reasonable values
+BINDIR="${BINDIR:-.}"
+PPROF_PATH="${PPROF_PATH:-$BINDIR/src/pprof}"
+
+if [ "x$1" = "x-h" -o "$1" = "x--help" ]; then
+  echo "USAGE: $0 [unittest dir] [path to pprof]"
+  echo "       By default, unittest_dir=$BINDIR, pprof_path=$PPROF_PATH"
+  exit 1
+fi
+
+HEAP_CHECKER="${1:-$BINDIR/heap-checker_unittest}"
+PPROF_PATH="${2:-$PPROF_PATH}"
+
+TMPDIR=/tmp/heap_check_info
+rm -rf $TMPDIR || exit 2
+mkdir $TMPDIR || exit 3
+
+# $1: value of heap-check env. var.
+run_check() {
+    export PPROF_PATH="$PPROF_PATH"
+    [ -n "$1" ] && export HEAPCHECK="$1" || unset HEAPPROFILE
+
+    echo -n "Testing $HEAP_CHECKER with HEAPCHECK=$1 ... "
+    if $HEAP_CHECKER > $TMPDIR/output 2>&1; then
+      echo "OK"
+    else
+      echo "FAILED"
+      echo "Output from the failed run:"
+      echo "----"
+      cat $TMPDIR/output
+      echo "----"      
+      exit 4
+    fi
+
+    # If we set HEAPPROFILE, then we expect it to actually have emitted
+    # a profile.  Check that it did.
+    if [ -n "$HEAPPROFILE" ]; then
+      [ -e "$HEAPPROFILE.0001.heap" ] || exit 5
+    fi
+}
+
+run_check ""
+run_check "local"
+run_check "normal"
+run_check "strict"
+
+rm -rf $TMPDIR      # clean up
+
+echo "PASS"