// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
// All rights reserved. Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.

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},
}

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)
		}
	}
}