mirror of
https://github.com/golang/go
synced 2024-11-14 23:50:28 -07:00
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
|
// 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 darwin,cgo,!internal
|
||
|
|
|
||
|
|
package cgotest
|
||
|
|
|
||
|
|
/*
|
||
|
|
#cgo LDFLAGS: -framework CoreFoundation
|
||
|
|
#include <CoreFoundation/CoreFoundation.h>
|
||
|
|
*/
|
||
|
|
import "C"
|
||
|
|
import (
|
||
|
|
"runtime/debug"
|
||
|
|
"testing"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
func test21897(t *testing.T) {
|
||
|
|
// Please write barrier, kick in soon.
|
||
|
|
defer debug.SetGCPercent(debug.SetGCPercent(1))
|
||
|
|
|
||
|
|
for i := 0; i < 10000; i++ {
|
||
|
|
testCFNumberRef()
|
||
|
|
testCFDateRef()
|
||
|
|
testCFBooleanRef()
|
||
|
|
// Allocate some memory, so eventually the write barrier is enabled
|
||
|
|
// and it will see writes of bad pointers in the test* functions below.
|
||
|
|
byteSliceSink = make([]byte, 1024)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var byteSliceSink []byte
|
||
|
|
|
||
|
|
func testCFNumberRef() {
|
||
|
|
var v int64 = 0
|
||
|
|
xCFNumberRef = C.CFNumberCreate(C.kCFAllocatorSystemDefault, C.kCFNumberSInt64Type, unsafe.Pointer(&v))
|
||
|
|
//fmt.Printf("CFNumberRef: %x\n", uintptr(unsafe.Pointer(xCFNumberRef)))
|
||
|
|
}
|
||
|
|
|
||
|
|
var xCFNumberRef C.CFNumberRef
|
||
|
|
|
||
|
|
func testCFDateRef() {
|
||
|
|
xCFDateRef = C.CFDateCreate(C.kCFAllocatorSystemDefault, 0) // 0 value is 1 Jan 2001 00:00:00 GMT
|
||
|
|
//fmt.Printf("CFDateRef: %x\n", uintptr(unsafe.Pointer(xCFDateRef)))
|
||
|
|
}
|
||
|
|
|
||
|
|
var xCFDateRef C.CFDateRef
|
||
|
|
|
||
|
|
func testCFBooleanRef() {
|
||
|
|
xCFBooleanRef = C.kCFBooleanFalse
|
||
|
|
//fmt.Printf("CFBooleanRef: %x\n", uintptr(unsafe.Pointer(xCFBooleanRef)))
|
||
|
|
}
|
||
|
|
|
||
|
|
var xCFBooleanRef C.CFBooleanRef
|