// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
//
// This program 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.
//
// 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 upgrade

import "testing"

var testcases = []struct {
	a, b string
	r    int
}{
	{"0.1.2", "0.1.2", 0},
	{"0.1.3", "0.1.2", 1},
	{"0.1.1", "0.1.2", -1},
	{"0.3.0", "0.1.2", 1},
	{"0.0.9", "0.1.2", -1},
	{"1.1.2", "0.1.2", 1},
	{"0.1.2", "1.1.2", -1},
	{"0.1.10", "0.1.9", 1},
	{"0.10.0", "0.2.0", 1},
	{"30.10.0", "4.9.0", 1},
	{"0.9.0-beta7", "0.9.0-beta6", 1},
	{"1.0.0-alpha", "1.0.0-alpha.1", -1},
	{"1.0.0-alpha.1", "1.0.0-alpha.beta", -1},
	{"1.0.0-alpha.beta", "1.0.0-beta", -1},
	{"1.0.0-beta", "1.0.0-beta.2", -1},
	{"1.0.0-beta.2", "1.0.0-beta.11", -1},
	{"1.0.0-beta.11", "1.0.0-rc.1", -1},
	{"1.0.0-rc.1", "1.0.0", -1},
	{"1.0.0+45", "1.0.0+23-dev-foo", 0},
	{"1.0.0-beta.23+45", "1.0.0-beta.23+23-dev-foo", 0},
	{"1.0.0-beta.3+99", "1.0.0-beta.24+0", -1},
}

func TestCompareVersions(t *testing.T) {
	for _, tc := range testcases {
		if r := CompareVersions(tc.a, tc.b); r != tc.r {
			t.Errorf("compareVersions(%q, %q): %d != %d", tc.a, tc.b, r, tc.r)
		}
	}
}