tools/clang/plugins/tests/test.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6 #
   7 # Hacky, primitive testing: This runs the style plugin for a set of input files
   8 # and compares the output with golden result files.
   9
  10 E_BADARGS=65
  11 E_FAILEDTEST=1
  12
  13 failed_any_test=
  14
  15 THIS_DIR="$(dirname "${0}")"
  16
  17 # Prints usage information.
  18 usage() {
  19   echo "Usage: $(basename "${0}")" \
  20     "<path to clang>" \
  21     "<path to plugin>"
  22   echo ""
  23   echo "  Runs all the libFindBadConstructs unit tests"
  24   echo ""
  25 }
  26
  27 # Runs a single test case.
  28 do_testcase() {
  29   local flags=""
  30   if [ -e "${3}" ]; then
  31     flags="$(cat "${3}")"
  32   fi
  33
  34   # TODO(thakis): Remove once the tests are standalone, http://crbug.com/486559
  35   if [[ "$(uname -s)" == "Darwin" ]]; then
  36     flags="${flags} -isysroot $(xcrun --show-sdk-path)"
  37   fi
  38   if [[ "$(uname -s)" == "Darwin" && "${flags}" != *-target* ]]; then
  39     flags="${flags} -stdlib=libstdc++"
  40   fi
  41
  42   flags="${flags} -Xclang -plugin-arg-find-bad-constructs \
  43       -Xclang with-ast-visitor"
  44
  45   local output="$("${CLANG_PATH}" -fsyntax-only -Wno-c++11-extensions \
  46       -Wno-inconsistent-missing-override \
  47       -isystem ${THIS_DIR}/system \
  48       -Xclang -load -Xclang "${PLUGIN_PATH}" \
  49       -Xclang -add-plugin -Xclang find-bad-constructs ${flags} ${1} 2>&1)"
  50   local diffout="$(echo "${output}" | diff - "${2}")"
  51   if [ "${diffout}" = "" ]; then
  52     echo "PASS: ${1}"
  53   else
  54     failed_any_test=yes
  55     echo "FAIL: ${1}"
  56     echo "Output of compiler:"
  57     echo "${output}"
  58     cat > ${2}-actual << EOF
  59 ${output}
  60 EOF
  61
  62     echo "Expected output:"
  63     cat "${2}"
  64     echo
  65   fi
  66 }
  67
  68 # Validate input to the script.
  69 if [[ -z "${1}" ]]; then
  70   usage
  71   exit ${E_BADARGS}
  72 elif [[ -z "${2}" ]]; then
  73   usage
  74   exit ${E_BADARGS}
  75 elif [[ ! -x "${1}" ]]; then
  76   echo "${1} is not an executable"
  77   usage
  78   exit ${E_BADARGS}
  79 elif [[ ! -f "${2}" ]]; then
  80   echo "${2} could not be found"
  81   usage
  82   exit ${E_BADARGS}
  83 else
  84   export CLANG_PATH="${1}"
  85   export PLUGIN_PATH="${2}"
  86   echo "Using clang ${CLANG_PATH}..."
  87   echo "Using plugin ${PLUGIN_PATH}..."
  88
  89   # The golden files assume that the cwd is this directory. To make the script
  90   # work no matter what the cwd is, explicitly cd to there.
  91   cd "${THIS_DIR}"
  92 fi
  93
  94 for input in *.cpp; do
  95   do_testcase "${input}" "${input%cpp}txt" "${input%cpp}flags"
  96 done
  97
  98 for input in *.c; do
  99   do_testcase "${input}" "${input%c}txt" "${input%c}flags"
 100 done
 101
 102 if [[ "${failed_any_test}" ]]; then
 103   exit ${E_FAILEDTEST}
 104 fi