blob: d0df7cf6787fe00f12054f9fed434a8b8e1edad7 [file] [log] [blame]
// Copyright 2015 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.
// This file contains tests for the cgo checker.
package testdata
// void f(void *);
import "C"
import "unsafe"
func CgoTests() {
var c chan bool
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&c))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&c)) // ERROR "embedded pointer"
var m map[string]string
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&m))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&m)) // ERROR "embedded pointer"
var f func()
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&f))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&f)) // ERROR "embedded pointer"
var s []int
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&s))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&s)) // ERROR "embedded pointer"
var a [1][]int
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&a))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&a)) // ERROR "embedded pointer"
var st struct{ f []int }
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&st))) // ERROR "embedded pointer"
C.f(unsafe.Pointer(&st)) // ERROR "embedded pointer"
// The following cases are OK.
var i int
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&i)))
C.f(unsafe.Pointer(&i))
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&s[0])))
C.f(unsafe.Pointer(&s[0]))
var a2 [1]int
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&a2)))
C.f(unsafe.Pointer(&a2))
var st2 struct{ i int }
C.f(*(*unsafe.Pointer)(unsafe.Pointer(&st2)))
C.f(unsafe.Pointer(&st2))
type cgoStruct struct{ p *cgoStruct }
C.f(unsafe.Pointer(&cgoStruct{}))
C.CBytes([]byte("hello"))
}