Home | History | Annotate | Download | only in tests
      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <gtest/gtest.h>
     18 
     19 #include <dlfcn.h>
     20 
     21 static bool gCalled = false;
     22 extern "C" void DlSymTestFunction() {
     23   gCalled = true;
     24 }
     25 
     26 TEST(dlopen, dlsym_in_self) {
     27   void* self = dlopen(NULL, RTLD_NOW);
     28   ASSERT_TRUE(self != NULL);
     29 
     30   void* sym = dlsym(self, "DlSymTestFunction");
     31   ASSERT_TRUE(sym != NULL);
     32 
     33   void (*function)() = reinterpret_cast<void(*)()>(sym);
     34 
     35   gCalled = false;
     36   function();
     37   ASSERT_TRUE(gCalled);
     38 }
     39