}
	str := err.Error() // used to crash on Linux
	t.Logf("Seek: %v", str)
	if str == "" {
		t.Fatalf("Seek(-1, 0, 0) return error with empty message")
	}
}

func TestSetsockoptString(t *testing.T) {
	// should not panic on empty string, see issue #31277
	err := syscall.SetsockoptString(-1, 0, 0, "")
	if err == nil {
		t.Fatalf("SetsockoptString: did not fail")
	}
}