// 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. package cgotest // #include // #define CAST_TO_INT64 (int64_t)(-1) import "C" import "testing" func test21708(t *testing.T) { if got, want := C.CAST_TO_INT64, -1; got != want { t.Errorf("C.CAST_TO_INT64 == %v, expected %v", got, want) } }