1 files changed, 27 insertions, 0 deletions
diff --git a/services/packages/arch/vercmp_test.go b/services/packages/arch/vercmp_test.go
new file mode 100644
index 0000000000..2014a6d429
--- /dev/null
+++ b/services/packages/arch/vercmp_test.go
@@ -0,0 +1,27 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package arch
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCompareVersions(t *testing.T) {
+	// https://man.archlinux.org/man/vercmp.8.en
+	checks := [][]string{
+		{"1.0a", "1.0b", "1.0beta", "1.0p", "1.0pre", "1.0rc", "1.0", "1.0.a", "1.0.1"},
+		{"1", "1.0", "1.1", "1.1.1", "1.2", "2.0", "3.0.0"},
+	}
+	for _, check := range checks {
+		for i := 0; i < len(check)-1; i++ {
+			require.Equal(t, -1, compareVersions(check[i], check[i+1]))
+			require.Equal(t, 1, compareVersions(check[i+1], check[i]))
+		}
+	}
+	require.Equal(t, 1, compareVersions("1.0-2", "1.0"))
+	require.Equal(t, 0, compareVersions("0:1.0-1", "1.0"))
+	require.Equal(t, 1, compareVersions("1:1.0-1", "2.0"))
+}