Android: Add chrome-specific dynamic linker.

third_party/crazy_linker/crazy_linker/src/crazy_linker_ashmem_unittest.cpp

+// Copyright (c) 2013 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 "crazy_linker_ashmem.h"
+
+#include <sys/mman.h>
+
+#include <minitest/minitest.h>
+
+namespace crazy {
+
+TEST(AshmemRegion, Construction) {
+  AshmemRegion region;
+  EXPECT_EQ(-1, region.Get());
+}
+
+TEST(AshmemRegion, Allocate) {
+  AshmemRegion region;
+  const size_t kSize = 4096*10;
+  EXPECT_TRUE(region.Allocate(kSize, __FUNCTION__));
+  void* map = ::mmap(NULL, kSize, PROT_READ|PROT_WRITE,
+                     MAP_ANONYMOUS|MAP_SHARED, region.Get(), 0);
+  EXPECT_NE(MAP_FAILED, map);
+
+  for (size_t n = 0; n < kSize; ++n) {
+    TEST_TEXT << "Checking region[" << n << "]";
+    EXPECT_EQ(0, ((char*)map)[n]);
+  }
+
+  EXPECT_EQ(0, ::munmap(map, kSize));
+}
+
+}  // namespace crazy