#!/usr/bin/env bash
#
# Copyright 2016-2018, Intel Corporation
#
# 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.
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#       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
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

#
# src/test/unicode_api/TEST0 -- unicode C API check
#


# standard unit test setup
. ../unittest/unittest.sh

require_test_type medium

require_fs_type any
# there's no point in testing different builds
require_build_type debug
require_command clang

SRC=../..
HEADERS_DIR=$SRC/include
INC_DIR=$SRC/include/libpmemobj
EXC_PATT="set_funcs|strdup|rpmem|vmem_stats_print"
FAILED=0
DEF_COL=6

function pick_col {
	require_command bc
	local ver=$(clang --version | grep version | sed "s/.*clang version \([0-9]*\)\.\([0-9]*\).*/\1*100+\2*10/" | bc)
	if [ $ver -le 340 ]; then
		DEF_COL=5
	fi
}

function check_file {
	local file=$1
	local dir=$2
	local pat=$3

	local funcs=$(clang -Xclang -ast-dump -I$HEADERS_DIR $file -fno-color-diagnostics 2> /dev/null |\
		grep "FunctionDecl.*\(vmem\|pmem\).*char \*" | cut -d " " -f $DEF_COL)
	for func in $funcs
	do
		local good=1	# Not starting at 0 allows set -e
		to_check="$dir/*.h $file"
		if [ -n "${pat:+x}" ] && [[ $func =~ $pat ]]; then
			continue
		fi

		for f in $to_check
		do
			let good+=$(grep -c "$func[UW][ ]*(" $f)
		done
		if [ $good -ne 3 ]; then
			echo "Function $func in file $file does not have unicode U/W counterparts"
			FAILED=1;
		fi
	done
}

setup

pick_col

for f in $HEADERS_DIR/*.h
do
	check_file $f $INC_DIR $EXC_PATT
done

if [ $FAILED -ne 0 ]; then
	exit 1
fi

pass