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go/misc/cgo/test/issue8517_windows.go
Alex Brainman 9ca8368444 misc/cgo/test: add Test8517
CL 145890044 did not provide test. Rectify that.

Update #8517

LGTM=rsc
R=golang-codereviews, rsc
CC=golang-codereviews
https://golang.org/cl/148790043
2014-10-09 16:10:51 +11:00

46 lines
990 B
Go

// Copyright 2014 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
//void testHandleLeaks();
import "C"
import (
"syscall"
"testing"
"unsafe"
)
var issue8517counter int
var (
kernel32 = syscall.MustLoadDLL("kernel32.dll")
getProcessHandleCount = kernel32.MustFindProc("GetProcessHandleCount")
)
func processHandleCount(t *testing.T) int {
const current_process = ^uintptr(0)
var c uint32
r, _, err := getProcessHandleCount.Call(current_process, uintptr(unsafe.Pointer(&c)))
if r == 0 {
t.Fatal(err)
}
return int(c)
}
func test8517(t *testing.T) {
c1 := processHandleCount(t)
C.testHandleLeaks()
c2 := processHandleCount(t)
if c1+issue8517counter <= c2 {
t.Fatalf("too many handles leaked: issue8517counter=%v c1=%v c2=%v", issue8517counter, c1, c2)
}
}
//export testHandleLeaksCallback
func testHandleLeaksCallback() {
issue8517counter++
}