# $Id: intersects 2021 2008-11-02 01:18:47Z bird $                                        -*-perl-*-
## @file
# $(intersects set-a,set-b)
#

#
# Copyright (c) 2008 knut st. osmundsen <bird-src-spam@anduin.net>
#
# This file is part of kBuild.
#
# kBuild is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# kBuild 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 kBuild.  If not, see <http://www.gnu.org/licenses/>
#
#

$description = "Tests the $(intersecs ) predicate function";

$details = "A few simple tests, nothing spectacular.";

if ($is_kmk) {

   # TEST #0 - check that the feature is present.
   # --------------------------------------------
   run_make_test('
ifneq ($(intersects a b c d e f, a),1)
$(error sub-test 0 failed)
endif
.PHONY: all
all: ; @:
',
'',
'');

   # TEST #1 - the real test.
   # ------------------------
   run_make_test('
ifneq ($(intersects a b c d e f, f),1)
$(error sub-test 0 failed)
endif
ifneq ($(intersects a b c d e f, f),1)
$(error sub-test 1 failed)
endif
ifneq ($(intersects a b c d e f, d),1)
$(error sub-test 2 failed)
endif
ifneq ($(intersects b c d e f, a),)
$(error sub-test 3 failed)
endif
ifneq ($(intersects a b c d e f, a b c d e f),1)
$(error sub-test 4 failed)
endif
ifneq ($(intersects a b c d e f, f e d c b a),1)
$(error sub-test 5 failed)
endif
ifneq ($(intersects f e d c b a, a b c d e f),1)
$(error sub-test 6 failed)
endif

SET-A = make foo bar
SET-B = $(SET-A)
ifeq ($(intersects $(SET-A),$(SET-B)),)
$(error sub-test 7 failed)
endif
SET-B = foo
ifeq ($(intersects $(SET-A),$(SET-B)),)
$(error sub-test 8 failed)
endif
SET-B = foobar
ifneq ($(intersects $(SET-A),$(SET-B)),)
$(error sub-test 9 failed)
endif

.PHONY: all
all: ; @:
',
'',
'');
}



# Indicate that we're done.
1;

