add js fuzz

tools/jsfuzz_engine.sh

@@ -0,0 +1,67 @@
+# Copyright 2014 Samsung Electronics Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# A simple harness that downloads and runs 'jsfunfuzz' against d8. This
+# takes a long time because it runs many iterations and is intended for
+# automated usage. The package containing 'jsfunfuzz' can be found as an
+# attachment to this bug:
+# https://bugzilla.mozilla.org/show_bug.cgi?id=jsfunfuzz
+
+JSFUNFUZZ_URL="https://bugzilla.mozilla.org/attachment.cgi?id=310631"
+JSFUNFUZZ_MD5="d0e497201c5cd7bffbb1cdc1574f4e32"
+
+engine=$1
+
+jsfunfuzz_file="./tools/jsfunfuzz.zip"
+if [ ! -f "$jsfunfuzz_file" ]; then
+  echo "Downloading $jsfunfuzz_file ..."
+  wget -q -O "$jsfunfuzz_file" $JSFUNFUZZ_URL || exit 1
+fi
+
+jsfunfuzz_sum=$(md5sum "$jsfunfuzz_file" | awk '{ print $1 }')
+if [ $jsfunfuzz_sum != $JSFUNFUZZ_MD5 ]; then
+  echo "Failed to verify checksum!"
+  exit 1
+fi
+
+jsfunfuzz_dir="./tools/jsfunfuzz"
+if [ ! -d "$jsfunfuzz_dir" ]; then
+  echo "Unpacking into $jsfunfuzz_dir ..."
+  unzip "$jsfunfuzz_file" -d "$jsfunfuzz_dir" || exit 1
+  echo "Patching runner ..."
+  cat << EOF | patch -s -p0 -d "."
+--- tools/jsfunfuzz/jsfunfuzz/multi_timed_run.py~
++++ tools/jsfunfuzz/jsfunfuzz/multi_timed_run.py
+@@ -125,7 +125,7 @@
+ 
+ def many_timed_runs():
+     iteration = 0
+-    while True:
++    while iteration < 100:
+         iteration += 1
+         logfilename = "w%d" % iteration
+         one_timed_run(logfilename)
+EOF
+fi
+
+python -u "$jsfunfuzz_dir/jsfunfuzz/multi_timed_run.py" 300 \
+    $engine "$jsfunfuzz_dir/jsfunfuzz/jsfunfuzz.js"
+exit_code=$(cat w* | grep " looking good" -c)
+exit_code=$((100-exit_code))
+tar -cjf fuzz-results-$(date +%y%m%d).tar.bz2 err-* w*
+rm -f err-* w*
+
+echo "Total failures: $exit_code"
+exit $exit_code