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