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1#!/bin/bash
2# Copyright (c) 2021, Google Inc. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#
8#   * Redistributions of source code must retain the above copyright
9#     notice, this list of conditions and the following disclaimer.
10#
11#   * Redistributions in binary form must reproduce the above copyright
12#     notice, this list of conditions and the following disclaimer in
13#     the documentation and/or other materials provided with the
14#     distribution.
15#
16#   * Neither the name of Google nor the names of its contributors may
17#     be used to endorse or promote products derived from this software
18#     without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32set -xeo pipefail
33shopt -s inherit_errexit
34
35readonly GOOGLETEST_REPO="https://github.com/google/googletest.git"
36LIBWEBM_ROOT="$(realpath "$(dirname "$0")/..")"
37readonly LIBWEBM_ROOT
38readonly WORKSPACE=${WORKSPACE:-"$(mktemp -d -t webm.XXX)"}
39
40# shellcheck source=infra/common.sh
41source "${LIBWEBM_ROOT}/infra/common.sh"
42
43usage() {
44  cat << EOF
45Usage: $(basename "$0") TARGET
46Options:
47TARGET supported targets: (x86-asan, x86-ubsan, x86_64-asan, x86_64-ubsan,
48       x86_64-valgrind)
49Global variables:
50WORKSPACE directory where the build is done
51EOF
52}
53
54#######################################
55# Run valgrind
56#######################################
57run_valgrind() {
58  valgrind \
59    --leak-check=full \
60    --show-reachable=yes \
61    --track-origins=yes \
62    --error-exitcode=1 \
63    "$@"
64}
65
66#######################################
67# Ensure GoogleTest repository is setup
68#
69# Globals:
70#  GOOGLETEST_REPO googletest repository url
71#  WORKSPACE directory where the build is done
72#######################################
73ensure_googletest() {
74  local googletest_dir
75  googletest_dir="${WORKSPACE}/googletest"
76
77  if [[ ! -d "${googletest_dir}" ]] || ! git -C "${googletest_dir}" pull; then
78    rm -rf "${googletest_dir}"
79    git clone --depth 1 "${GOOGLETEST_REPO}" "${googletest_dir}"
80  fi
81
82  opts+=("-DGTEST_SRC_DIR=${googletest_dir}")
83}
84
85#######################################
86# Symbolizes and dumps warnings in the address sanitizer log
87# Globals:
88#  BUILD_DIR directory where the build is done
89#  SANITIZER_LOG path to sanitizer log file
90#######################################
91dump_sanitizer_log() {
92  if [[ "$#" -ne 1 ]]; then
93    return 1
94  fi
95
96  if command -v asan_symbolize; then
97    asan_symbolize_tool="asan_symbolize"
98  else
99    asan_symbolize_tool="asan_symbolize.py"
100  fi
101
102  local target
103  target="$1"
104  case "${target}" in
105    *-asan)
106      asanlog_symbolized="${BUILD_DIR}/asan_log.asanlog_symbolized"
107      grep -v 'Invalid VP9' "${SANITIZER_LOG}" > "${SANITIZER_LOG}.2" || true
108      "${asan_symbolize_tool}" "${BUILD_DIR}" < "${SANITIZER_LOG}.2" \
109        | c++filt > "${asanlog_symbolized}"
110      if [[ -s "${asanlog_symbolized}" ]]; then
111        cat "${asanlog_symbolized}"
112        return 1
113      fi
114      ;;
115    *) ;;  # No other sanitizer options are required
116      # TODO(b/185520494): Handle ubsan warning output inspection
117  esac
118}
119
120################################################################################
121echo "Unit testing libwebm in ${WORKSPACE}"
122
123if [[ ! -d "${WORKSPACE}" ]]; then
124  log_err "${WORKSPACE} directory does not exist"
125  exit 1
126fi
127
128TARGET=${1:? "$(
129  echo
130  usage
131)"}
132readonly BUILD_DIR="${WORKSPACE}/tests-${TARGET}"
133readonly SANITIZER_LOG="${BUILD_DIR}/sanitizer_log"
134
135# Create a fresh build directory.
136trap 'dump_sanitizer_log ${TARGET}; cleanup' EXIT
137make_build_dir "${BUILD_DIR}"
138
139case "${TARGET}" in
140  x86-*) CXX='clang++ -m32' ;;
141  x86_64-*) CXX=clang++ ;;
142  *)
143    log_err "${TARGET} should have x86 or x86_64 prefix."
144    usage
145    exit 1
146    ;;
147esac
148# cmake (3.4.3) will only accept the -m32 variants when used via the CXX env
149# var.
150export CXX
151opts+=("-DCMAKE_BUILD_TYPE=Debug" "-DENABLE_TESTS=ON")
152case "${TARGET}" in
153  *-asan) opts+=("-DCMAKE_CXX_FLAGS=-fsanitize=address") ;;
154  *-ubsan)
155    opts+=("-DCMAKE_CXX_FLAGS=-fsanitize=integer")
156    if [[ "${TARGET}" == "x86-ubsan" ]]; then
157      # clang fails to find symbols when -fsanitize=integer is set in x86 arch.
158      # https://bugs.llvm.org/show_bug.cgi?id=17693
159      opts+=("-DCMAKE_CXX_FLAGS=-rtlib=compiler-rt")
160      opts+=("-DCMAKE_EXE_LINKER_FLAGS=-lgcc_s")
161    fi
162    ;;
163  *) ;;  # No additional flags needed.
164esac
165
166ensure_googletest
167# Using pushd instead of -S/-B for backward compatibility with CMake < 3.13.x
168pushd "${BUILD_DIR}"
169cmake "${LIBWEBM_ROOT}" "${opts[@]}"
170make -j 4
171popd
172
173find_tests="$(find "${BUILD_DIR}" -name '*_tests')"
174UNIT_TESTS=()
175while IFS='' read -r line; do
176  UNIT_TESTS+=("${line}")
177done < <(echo "${find_tests}")
178
179export LIBWEBM_TEST_DATA_PATH="${LIBWEBM_ROOT}/testing/testdata"
180case "${TARGET}" in
181  *-asan | *-ubsan)
182    rm -f "${SANITIZER_LOG}"
183    for test in "${UNIT_TESTS[@]}"; do
184      "${test}" \
185        --gtest_output="xml:${BUILD_DIR}/$(basename "${test}")_detail.xml" \
186        3<&1 1>&2 2>&3 | tee -a "${SANITIZER_LOG}"
187    done
188    ;;
189  *-valgrind)
190    for test in "${UNIT_TESTS[@]}"; do
191      run_valgrind --error-exitcode=1 "${test}" \
192        --gtest_output="xml:${BUILD_DIR}/$(basename "${test}")_detail.xml"
193    done
194    ;;
195  *)
196    log_err "Unrecognized TARGET:${TARGET}."
197    usage
198    exit 1
199    ;;
200esac
201