|  | // 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 cgo | 
|  |  | 
|  | package main | 
|  |  | 
|  | import ( | 
|  | "runtime" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | func canInternalLink() bool { | 
|  | switch runtime.GOOS { | 
|  | case "aix": | 
|  | return false | 
|  | case "dragonfly": | 
|  | return false | 
|  | case "freebsd": | 
|  | switch runtime.GOARCH { | 
|  | case "arm64": | 
|  | return false | 
|  | } | 
|  | case "linux": | 
|  | switch runtime.GOARCH { | 
|  | case "arm64", "mips64", "mips64le", "mips", "mipsle", "ppc64", "ppc64le": | 
|  | return false | 
|  | } | 
|  | case "openbsd": | 
|  | switch runtime.GOARCH { | 
|  | case "arm64": | 
|  | return false | 
|  | } | 
|  | } | 
|  | return true | 
|  | } | 
|  |  | 
|  | func TestInternalLinkerCgoExec(t *testing.T) { | 
|  | if !canInternalLink() { | 
|  | t.Skip("skipping; internal linking is not supported") | 
|  | } | 
|  | testGoExec(t, true, false) | 
|  | } | 
|  |  | 
|  | func TestExternalLinkerCgoExec(t *testing.T) { | 
|  | testGoExec(t, true, true) | 
|  | } | 
|  |  | 
|  | func TestCgoLib(t *testing.T) { | 
|  | testGoLib(t, true) | 
|  | } |