Test C++ code by using Go language

foo.cpp

#include <iostream>

#include "foo.h"

void Foo::print() {
  std::cout << "foo\n";
}

extern "C" void Foo_print() {
  Foo t;
  t.print();
}

foo.go

package foo

/*
#cgo CXXFLAGS: -std=c++11
#include "foo.h"
*/
import "C"

func fooPrint() {
	C.Foo_print()
}

foo.h

#ifndef _FOO_H
#define _FOO_H

#ifdef __cplusplus

class Foo {
  public:
    void print();
};

extern "C" {
#endif
  void Foo_print();
#ifdef __cplusplus
}
#endif

#endif

foo_test.go

package foo

import "testing"

func TestFooPrint(t *testing.T) {
	fooPrint()
}