pcapplusplus: add run_tests.sh

projects/pcapplusplus/Dockerfile

@@ -25,4 +25,4 @@ RUN git clone --depth=1 https://github.com/the-tcpdump-group/libpcap.git libpcap
 
 WORKDIR PcapPlusPlus
 
-COPY build.sh $SRC
+COPY *.sh pcapplusplus_enable_tests.diff $SRC

projects/pcapplusplus/build.sh

@@ -16,4 +16,7 @@
 #
 ################################################################################
 
+# TODO: Right now, we apply patch only if sanitizer is not 'memory'.
+# TODO: Upstream the patch to PcapPlusPlus repo.
+git -C "$SRC/PcapPlusPlus" apply "$SRC/pcapplusplus_enable_tests.diff"
 $SRC/PcapPlusPlus/Tests/Fuzzers/ossfuzz.sh

projects/pcapplusplus/pcapplusplus_enable_tests.diff

@@ -0,0 +1,18 @@
+index 6d461ff6..c984c978 100755
+--- a/Tests/Fuzzers/ossfuzz.sh
++++ b/Tests/Fuzzers/ossfuzz.sh
+@@ -12,7 +12,13 @@ make -j$(nproc)
+ # Build PcapPlusPlus linking statically against the built libpcap
+ cd $SRC/PcapPlusPlus
+ LIBPCAP_PATH=$SRC/libpcap/
+-cmake -DPCAPPP_BUILD_FUZZERS=ON -DPCAPPP_BUILD_TESTS=OFF -DPCAPPP_BUILD_EXAMPLES=OFF -DPCAP_INCLUDE_DIR="${LIBPCAP_PATH}/" -DPCAP_LIBRARY="${LIBPCAP_PATH}/libpcap.a" -S . -B $TARGETS_DIR
++
++PCAPPP_BUILD_TESTS_VALUE="ON"
++if [ "${SANITIZER:-}" = "memory" ]; then
++    PCAPPP_BUILD_TESTS_VALUE="OFF"
++fi
++
++cmake -DPCAPPP_BUILD_FUZZERS=ON -DPCAPPP_BUILD_TESTS=$PCAPPP_BUILD_TESTS_VALUE -DPCAPPP_BUILD_EXAMPLES=OFF -DPCAP_INCLUDE_DIR="${LIBPCAP_PATH}/" -DPCAP_LIBRARY="${LIBPCAP_PATH}/libpcap.a" -S . -B $TARGETS_DIR
+ cmake --build $TARGETS_DIR -j
+
+ # Copy target and options

projects/pcapplusplus/run_tests.sh

@@ -0,0 +1,33 @@
+#!/bin/bash -eu
+# Copyright 2025 Google LLC
+#
+# 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.
+#
+################################################################################
+
+export ASAN_OPTIONS=detect_stack_use_after_return=0:detect_leaks=0:abort_on_error=0:halt_on_error=0:exitcode=0
+ROOT="$SRC/PcapPlusPlus"
+
+echo "=== Packet++Test ==="
+cd "$ROOT/Tests/Packet++Test"
+# TODO: Skipping failing tests.
+./Bin/Packet++Test -x "VrrpCreateAndEditTest;TestMacAddress;TestTcpReassemblyRetran"
+
+echo "=== Pcap++Test (no networking) ==="
+cd "$ROOT/Tests/Pcap++Test"
+# TODO: Skipping failing tests. TestPcapLiveDeviceList and
+# TestPcapLiveDeviceNoNetworking fail because of network so we should keep
+# them disabled.
+./Bin/Pcap++Test \
+    -n -x \
+    "TestMacAddress;TestTcpReassemblyRetran;TestTcpReassemblyMissingData;TestPcapLiveDeviceList;TestPcapLiveDeviceNoNetworking"