#! /bin/sh

#

# Copyright (c) 2006, Google Inc.

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are

# met:

#

#     * Redistributions of source code must retain the above copyright

# notice, this list of conditions and the following disclaimer.

#     * Redistributions in binary form must reproduce the above

# copyright notice, this list of conditions and the following disclaimer

# in the documentation and/or other materials provided with the

# distribution.

#     * Neither the name of Google Inc. nor the names of its

# contributors may be used to endorse or promote products derived from

# this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

# Author: Satoru Takabayashi

#

# Unit tests for demangle.c with a real binary.

set -e

die () {

    echo $1

    exit 1

}

BINDIR=".libs"

LIBGLOG="$BINDIR/libglog.so"

DEMANGLER="$BINDIR/demangle_unittest"

if test -e "$DEMANGLER"; then

  # We need shared object.

  export LD_LIBRARY_PATH=$BINDIR

  export DYLD_LIBRARY_PATH=$BINDIR

else

  # For windows

  DEMANGLER="./demangle_unittest.exe"

  if ! test -e "$DEMANGLER"; then

    echo "We coundn't find demangle_unittest binary."

    exit 1

  fi

fi

# Extract C++ mangled symbols from libbase.so.

NM_OUTPUT="demangle.nm"

nm "$LIBGLOG" | perl -nle 'print $1 if /\s(_Z\S+$)/' > "$NM_OUTPUT"

# Check if mangled symbols exist. If there are none, we quit.

# The binary is more likely compiled with GCC 2.95 or something old.

if ! grep --quiet '^_Z' "$NM_OUTPUT"; then

    echo "PASS"

    exit 0

fi

# Demangle the symbols using our demangler.

DM_OUTPUT="demangle.dm"

GLOG_demangle_filter=1 "$DEMANGLER" --demangle_filter < "$NM_OUTPUT" > "$DM_OUTPUT"

# Calculate the numbers of lines.

NM_LINES=`wc -l "$NM_OUTPUT" | awk '{ print $1 }'`

DM_LINES=`wc -l "$DM_OUTPUT" | awk '{ print $1 }'`

# Compare the numbers of lines.  They must be the same.

if test "$NM_LINES" != "$DM_LINES"; then

    die "$NM_OUTPUT and $DM_OUTPUT don't have the same numbers of lines"

fi

# Check if mangled symbols exist.  They must not exist.

if grep --quiet '^_Z' "$DM_OUTPUT"; then

    MANGLED=`grep '^_Z' "$DM_OUTPUT" | wc -l | awk '{ print \$1 }'`

    echo "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT:"

    grep '^_Z' "$DM_OUTPUT"

    die "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT"

fi

# All C++ symbols are demangled successfully.

echo "PASS"

exit 0