1#!/bin/bash
2#
3# Copyright 2014 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
10E_BADARGS=65
11E_FAILEDTEST=1
12
13failed_any_test=
14
15# Prints usage information.
16usage() {
17  echo "Usage: $(basename "${0}")" \
18    "<Path to the llvm build dir, usually Release+Asserts>"
19  echo ""
20  echo "  Runs all the libBlinkGCPlugin unit tests"
21  echo ""
22}
23
24# Runs a single test case.
25do_testcase() {
26  local flags=""
27  if [ -e "${3}" ]; then
28    flags="$(cat "${3}")"
29  fi
30  local output="$("${CLANG_DIR}"/bin/clang -c -Wno-c++11-extensions \
31      -Xclang -load -Xclang "${CLANG_DIR}"/lib/lib${LIBNAME}.${LIB} \
32      -Xclang -add-plugin -Xclang blink-gc-plugin ${flags} ${1} 2>&1)"
33  local json="${input%cpp}graph.json"
34  if [ -f "$json" ]; then
35    output="$(python ../process-graph.py -c ${json} 2>&1)"
36  fi
37  local diffout="$(echo "${output}" | diff - "${2}")"
38  if [ "${diffout}" = "" ]; then
39    echo "PASS: ${1}"
40  else
41    failed_any_test=yes
42    echo "FAIL: ${1}"
43    echo "Output of compiler:"
44    echo "${output}"
45    echo "Expected output:"
46    cat "${2}"
47    echo
48  fi
49}
50
51# Validate input to the script.
52if [[ -z "${1}" ]]; then
53  usage
54  exit ${E_BADARGS}
55elif [[ ! -d "${1}" ]]; then
56  echo "${1} is not a directory."
57  usage
58  exit ${E_BADARGS}
59else
60  export CLANG_DIR="${PWD}/${1}"
61  echo "Using clang directory ${CLANG_DIR}..."
62
63  # The golden files assume that the cwd is this directory. To make the script
64  # work no matter what the cwd is, explicitly cd to there.
65  cd "$(dirname "${0}")"
66
67  export LIBNAME=$(grep LIBRARYNAME ../Makefile | cut -d ' ' -f 3)
68  if [ "$(uname -s)" = "Linux" ]; then
69    export LIB=so
70  elif [ "$(uname -s)" = "Darwin" ]; then
71    export LIB=dylib
72  fi
73fi
74
75for input in *.cpp; do
76  do_testcase "${input}" "${input%cpp}txt" "${input%cpp}flags"
77done
78
79if [[ "${failed_any_test}" ]]; then
80  exit ${E_FAILEDTEST}
81fi
82