blob: 5789b99ef67034f4644bac0aa9186e40675a1cf4 [file] [log] [blame]
// Copyright 2012 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 !windows
package cgotest
/*
#include <dlfcn.h>
#cgo linux LDFLAGS: -ldl
extern void call4029(void *arg);
*/
import "C"
import (
"testing"
)
var callbacks int
//export IMPIsOpaque
func IMPIsOpaque() {
callbacks++
}
//export IMPInitWithFrame
func IMPInitWithFrame() {
callbacks++
}
//export IMPDrawRect
func IMPDrawRect() {
callbacks++
}
//export IMPWindowResize
func IMPWindowResize() {
callbacks++
}
func test4029(t *testing.T) {
loadThySelf(t, "IMPWindowResize")
loadThySelf(t, "IMPDrawRect")
loadThySelf(t, "IMPInitWithFrame")
loadThySelf(t, "IMPIsOpaque")
if callbacks != 4 {
t.Errorf("got %d callbacks, expected 4", callbacks)
}
}
func loadThySelf(t *testing.T, symbol string) {
this_process := C.dlopen(nil, C.RTLD_NOW)
if this_process == nil {
t.Error("dlopen:", C.GoString(C.dlerror()))
return
}
defer C.dlclose(this_process)
symbol_address := C.dlsym(this_process, C.CString(symbol))
if symbol_address == nil {
t.Error("dlsym:", C.GoString(C.dlerror()))
return
}
t.Log(symbol, symbol_address)
C.call4029(symbol_address)
}