More sanity unittests to make sure AddressSanitizer is instrumenting the code.

base/tools_sanity_unittest.cc

 // Copyright (c) 2011 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.
 //
 // This file contains intentional memory errors, some of which may lead to
 // crashes if the test is ran without special memory testing tools. We use these
 // errors to verify the sanity of the tools.
 
 #include "base/atomicops.h"
 #include "base/message_loop.h"
@@ skipping 105 matching lines @@
     return;
 #endif
 
   // Without the |volatile|, clang optimizes away the next two lines.
   int* volatile foo = new int;
   (void) foo;
   delete [] foo;
 }
 
 #ifdef ADDRESS_SANITIZER
-TEST(ToolsSanityTest, DISABLED_AddressSanitizerCrashTest) {
+TEST(ToolsSanityTest, DISABLED_AddressSanitizerNullDerefCrashTest) {
   // Intentionally crash to make sure AddressSanitizer is running.
   // This test should not be ran on bots.
   int* volatile zero = NULL;
   *zero = 0;
 }
+
+TEST(ToolsSanityTest, DISABLED_AddressSanitizerLocalOOBCrashTest) {
+  // Intentionally crash to make sure AddressSanitizer is instrumenting
+  // the local variables.
+  // This test should not be ran on bots.
+  int array[5];
+  // Work around the OOB warning reported by Clang.
+  int* volatile access = &array[5];
+  *access = 43;
+}
+
+namespace {
+int g_asan_test_global_array[10];
+}  // namespace
+
+TEST(ToolsSanityTest, DISABLED_AddressSanitizerGlobalOOBCrashTest) {
+  // Intentionally crash to make sure AddressSanitizer is instrumenting
+  // the global variables.
+  // This test should not be ran on bots.
+
+  // Work around the OOB warning reported by Clang.
+  int* volatile access = g_asan_test_global_array - 1;
+  *access = 43;
+}
+
 #endif
 
 namespace {
 
 // We use caps here just to ensure that the method name doesn't interfere with
 // the wildcarded suppressions.
 class TOOLS_SANITY_TEST_CONCURRENT_THREAD : public PlatformThread::Delegate {
  public:
   explicit TOOLS_SANITY_TEST_CONCURRENT_THREAD(bool *value) : value_(value) {}
   ~TOOLS_SANITY_TEST_CONCURRENT_THREAD() {}
@@ skipping 67 matching lines @@
 
 TEST(ToolsSanityTest, AtomicsAreIgnored) {
   base::subtle::Atomic32 shared = 0;
   ReleaseStoreThread thread1(&shared);
   AcquireLoadThread thread2(&shared);
   RunInParallel(&thread1, &thread2);
   EXPECT_EQ(kMagicValue, shared);
 }
 
 }  // namespace base