mirror of
https://github.com/golang/go
synced 2024-11-25 01:47:56 -07:00
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
|
// Copyright 2021 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.
|
||
|
|
|
||
|
|
// Issue 42580: cmd/cgo: shifting identifier position in ast
|
||
|
|
|
||
|
|
package cgotest
|
||
|
|
|
||
|
|
// typedef int (*intFunc) ();
|
||
|
|
//
|
||
|
|
// char* strarg = "";
|
||
|
|
//
|
||
|
|
// int func_with_char(char* arg, void* dummy)
|
||
|
|
// {return 5;}
|
||
|
|
//
|
||
|
|
// int* get_arr(char* arg, void* dummy)
|
||
|
|
// {return NULL;}
|
||
|
|
import "C"
|
||
|
|
import "unsafe"
|
||
|
|
|
||
|
|
// Test variables
|
||
|
|
var (
|
||
|
|
checkedPointer = []byte{1}
|
||
|
|
doublePointerChecked = []byte{1}
|
||
|
|
singleInnerPointerChecked = []byte{1}
|
||
|
|
)
|
||
|
|
|
||
|
|
// This test checks the positions of variable identifiers.
|
||
|
|
// Changing the positions of the test variables idents after this point will break the test.
|
||
|
|
|
||
|
|
func TestSingleArgumentCast() C.int {
|
||
|
|
retcode := C.func_with_char((*C.char)(unsafe.Pointer(&checkedPointer[0])), unsafe.Pointer(C.strarg))
|
||
|
|
return retcode
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSingleArgumentCastRecFuncAsSimpleArg() C.int {
|
||
|
|
retcode := C.func_with_char((*C.char)(unsafe.Pointer(C.get_arr((*C.char)(unsafe.Pointer(&singleInnerPointerChecked[0])), unsafe.Pointer(C.strarg)))), nil)
|
||
|
|
return retcode
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSingleArgumentCastRecFunc() C.int {
|
||
|
|
retcode := C.func_with_char((*C.char)(unsafe.Pointer(C.get_arr((*C.char)(unsafe.Pointer(&doublePointerChecked[0])), unsafe.Pointer(C.strarg)))), unsafe.Pointer(C.strarg))
|
||
|
|
return retcode
|
||
|
|
}
|