Home | History | Annotate | Download | only in src 
      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "crazy_linker_ashmem.h"
      6 
      7 #include <sys/mman.h>
      8 
      9 #include <minitest/minitest.h>
     10 
     11 namespace crazy {
     12 
     13 TEST(AshmemRegion, Construction) {
     14   AshmemRegion region;
     15   EXPECT_EQ(-1, region.fd());
     16 }
     17 
     18 TEST(AshmemRegion, Allocate) {
     19   AshmemRegion region;
     20   const size_t kSize = 4096 * 10;
     21   EXPECT_TRUE(region.Allocate(kSize, __FUNCTION__));
     22   void* map = ::mmap(NULL,
     23                      kSize,
     24                      PROT_READ | PROT_WRITE,
     25                      MAP_ANONYMOUS | MAP_SHARED,
     26                      region.fd(),
     27                      0);
     28   EXPECT_NE(MAP_FAILED, map);
     29 
     30   for (size_t n = 0; n < kSize; ++n) {
     31     TEST_TEXT << "Checking region[" << n << "]";
     32     EXPECT_EQ(0, ((char*)map)[n]);
     33   }
     34 
     35   EXPECT_EQ(0, ::munmap(map, kSize));
     36 }
     37 
     38 }  // namespace crazy
     39