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#!/bin/bash
#
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Hacky, primitive testing: This runs the style plugin for a set of input files
# and compares the output with golden result files.
E_BADARGS=65
E_FAILEDTEST=1
failed_any_test=
# Prints usage information.
usage() {
echo "Usage: $(basename "${0}")" \
"<Path to the llvm build dir, usually Release+Asserts>"
echo ""
echo " Runs all the libFindBadConstructs unit tests"
echo ""
}
# Runs a single test case.
do_testcase() {
local output="$("${CLANG_DIR}"/bin/clang -c -Wno-c++11-extensions \
-Xclang -load -Xclang "${CLANG_DIR}"/lib/libFindBadConstructs.${LIB} \
-Xclang -plugin -Xclang find-bad-constructs ${1} 2>&1)"
local diffout="$(echo "${output}" | diff - "${2}")"
if [ "${diffout}" = "" ]; then
echo "PASS: ${1}"
else
failed_any_test=yes
echo "FAIL: ${1}"
echo "Output of compiler:"
echo "${output}"
echo "Expected output:"
cat "${2}"
echo
fi
}
# Validate input to the script.
if [[ -z "${1}" ]]; then
usage
exit ${E_BADARGS}
elif [[ ! -d "${1}" ]]; then
echo "${1} is not a directory."
usage
exit ${E_BADARGS}
else
export CLANG_DIR="${PWD}/${1}"
echo "Using clang directory ${CLANG_DIR}..."
# The golden files assume that the cwd is this directory. To make the script
# work no matter what the cwd is, explicitly cd to there.
cd "$(dirname "${0}")"
if [ "$(uname -s)" = "Linux" ]; then
export LIB=so
elif [ "$(uname -s)" = "Darwin" ]; then
export LIB=dylib
fi
fi
for input in *.cpp; do
do_testcase "${input}" "${input%cpp}txt"
done
if [[ "${failed_any_test}" ]]; then
exit ${E_FAILEDTEST}
fi
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