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      1 // Copyright 2012 The Go Authors.  All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 // +build !windows
      6 
      7 package cgotest
      8 
      9 /*
     10 #include <dlfcn.h>
     11 #cgo linux LDFLAGS: -ldl
     12 */
     13 import "C"
     14 
     15 import (
     16 	"fmt"
     17 	"testing"
     18 )
     19 
     20 //export IMPIsOpaque
     21 func IMPIsOpaque() {
     22 	fmt.Println("isOpaque")
     23 }
     24 
     25 //export IMPInitWithFrame
     26 func IMPInitWithFrame() {
     27 	fmt.Println("IInitWithFrame")
     28 }
     29 
     30 //export IMPDrawRect
     31 func IMPDrawRect() {
     32 	fmt.Println("drawRect:")
     33 }
     34 
     35 //export IMPWindowResize
     36 func IMPWindowResize() {
     37 	fmt.Println("windowDidResize:")
     38 }
     39 
     40 func test4029(t *testing.T) {
     41 	loadThySelf(t, "IMPWindowResize")
     42 	loadThySelf(t, "IMPDrawRect")
     43 	loadThySelf(t, "IMPInitWithFrame")
     44 	loadThySelf(t, "IMPIsOpaque")
     45 }
     46 
     47 func loadThySelf(t *testing.T, symbol string) {
     48 	this_process := C.dlopen(nil, C.RTLD_NOW)
     49 	if this_process == nil {
     50 		t.Error("dlopen:", C.GoString(C.dlerror()))
     51 		return
     52 	}
     53 	defer C.dlclose(this_process)
     54 
     55 	symbol_address := C.dlsym(this_process, C.CString(symbol))
     56 	if symbol_address == nil {
     57 		t.Error("dlsym:", C.GoString(C.dlerror()))
     58 		return
     59 	}
     60 	t.Log(symbol, symbol_address)
     61 }
     62