#!/bin/bash
#
# Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License, version 2 only, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

TESTDIR=/usr/lib/babeltrace/ptest/tests

BABELTRACE_BIN=/usr/bin/babeltrace
CTF_TRACES=/usr/lib/babeltrace/ptest/tests/ctf-traces

source $TESTDIR/utils/tap/tap.sh

NUM_TESTS=10

plan_tests $NUM_TESTS

test_intersect() {
	trace=$1
	totalevents=$2
	intersect=$3

	test $($BABELTRACE_BIN $trace | wc -l) = $totalevents
	ok $? "$totalevents events in the whole trace"
	test $($BABELTRACE_BIN --stream-intersection $trace 2>/dev/null| wc -l) = $intersect
	ok $? "$intersect events in packets intersecting"
}

diag "Test the stream intersection feature"

diag "2 streams offsetted with 3 packets intersecting"
test_intersect ${CTF_TRACES}/intersection/3eventsintersect 8 3

diag "2 streams offsetted with 3 packets intersecting (exchanged file names)"
test_intersect ${CTF_TRACES}/intersection/3eventsintersectreverse 8 3

diag "No intersection between 2 streams"
test_intersect ${CTF_TRACES}/intersection/nointersect 6 0

diag "Only 1 stream"
test_intersect ${CTF_TRACES}/intersection/onestream 3 3

diag "No stream at all"
test_intersect ${CTF_TRACES}/intersection/nostream 0 0
