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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 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, see <http://www.gnu.org/licenses/>.
*
*/
package strutil_test
import (
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/strutil"
)
type intersectionSuite struct{}
var _ = Suite(&intersectionSuite{})
func (s *intersectionSuite) TestIntersection(c *C) {
tt := []struct {
ins [][]string
out []string
}{
{
[][]string{
{},
},
[]string{},
},
{
[][]string{
{"1"},
},
[]string{"1"},
},
{
[][]string{
{"1", "2"},
},
[]string{"1", "2"},
},
{
[][]string{
{"1", "2"},
{"1"},
},
[]string{"1"},
},
{
[][]string{
{"1", "2"},
{"1"},
{"1"},
},
[]string{"1"},
},
{
[][]string{
{"1", "2"},
{"1"},
{"1", "3"},
},
[]string{"1"},
},
{
[][]string{
{"1", "2"},
{"1"},
{"1", "2", "3"},
},
[]string{"1"},
},
{
[][]string{
{"1", "2"},
{"1", "2"},
{"1", "2", "3"},
},
[]string{"1", "2"},
},
{
[][]string{
{"1", "1", "1", "1", "1"},
{"1", "1", "1", "1", "1"},
{"1", "1", "1", "1", "1"},
},
[]string{"1"},
},
{
[][]string{
{"1", "1", "1", "1", "1", "2"},
{"1", "1", "1", "1", "1", "2", "2"},
{"1", "1", "1", "1", "1", "2", "2"},
},
[]string{"1", "2"},
},
}
for _, t := range tt {
res := strutil.Intersection(t.ins...)
c.Assert(res, DeepEquals, t.out)
}
}
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