Simple test for Android fd directories.

base/memory/shared_memory_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/process/kill.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_info.h"
 #include "base/test/multiprocess_test.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
 #if defined(OS_POSIX)
+#include <errno.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
 static const int kNumThreads = 5;
 static const int kNumTasks = 5;
 
 namespace base {
@@ skipping 321 matching lines @@
       else
         EXPECT_EQ(0, pointers[j][0]);
     }
   }
 
   for (int i = 0; i < count; i++) {
     memories[i].Close();
   }
 }
 
+TEST(SharedMemoryTest, AndroidFiles) {
+  EXPECT_EQ(0, access("/dev", X_OK)) << strerror(errno);
+  EXPECT_EQ(0, access("/dev/fd", X_OK)) << strerror(errno);
+  EXPECT_EQ(0, access("/proc", X_OK)) << strerror(errno);
+  EXPECT_EQ(0, access("/proc/self", X_OK)) << strerror(errno);
+  EXPECT_EQ(0, access("/proc/self/fd", X_OK)) << strerror(errno);
+}
+
 TEST(SharedMemoryTest, MapAt) {
   ASSERT_TRUE(SysInfo::VMAllocationGranularity() >= sizeof(uint32));
   const size_t kCount = SysInfo::VMAllocationGranularity();
   const size_t kDataSize = kCount * sizeof(uint32);
 
   SharedMemory memory;
   ASSERT_TRUE(memory.CreateAndMapAnonymous(kDataSize));
   ASSERT_TRUE(memory.Map(kDataSize));
   uint32* ptr = static_cast<uint32*>(memory.memory());
   ASSERT_NE(ptr, static_cast<void*>(NULL));
@@ skipping 178 matching lines @@
   SharedMemoryProcessTest::CleanUp();
 }
 
 MULTIPROCESS_TEST_MAIN(SharedMemoryTestMain) {
   return SharedMemoryProcessTest::TaskTestMain();
 }
 
 #endif  // !OS_IOS
 
 }  // namespace base