1 files changed, 24 insertions, 0 deletions
diff --git a/src/os/user/cgo_unix_test.go b/src/os/user/cgo_unix_test.go
new file mode 100644
index 0000000..1d341aa
--- /dev/null
+++ b/src/os/user/cgo_unix_test.go
@@ -0,0 +1,24 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin dragonfly freebsd !android,linux netbsd openbsd solaris
+// +build cgo,!osusergo
+
+package user
+
+import (
+	"testing"
+)
+
+// Issue 22739
+func TestNegativeUid(t *testing.T) {
+	sp := structPasswdForNegativeTest()
+	u := buildUser(&sp)
+	if g, w := u.Uid, "4294967294"; g != w {
+		t.Errorf("Uid = %q; want %q", g, w)
+	}
+	if g, w := u.Gid, "4294967293"; g != w {
+		t.Errorf("Gid = %q; want %q", g, w)
+	}
+}