Avoid macro redefinition in tools_sanity_unittest.cc

base/tools_sanity_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.
 //
 // 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/debug/asan_invalid_access.h"
@@ skipping 94 matching lines @@
 
 #if (defined(ADDRESS_SANITIZER) && defined(OS_IOS)) || defined(SYZYASAN)
 // Because iOS doesn't support death tests, each of the following tests will
 // crash the whole program under Asan. On Windows Asan is based on SyzyAsan; the
 // error report mechanism is different than with Asan so these tests will fail.
 #define MAYBE_AccessesToNewMemory DISABLED_AccessesToNewMemory
 #define MAYBE_AccessesToMallocMemory DISABLED_AccessesToMallocMemory
 #else
 #define MAYBE_AccessesToNewMemory AccessesToNewMemory
 #define MAYBE_AccessesToMallocMemory AccessesToMallocMemory
-#define MAYBE_ArrayDeletedWithoutBraces ArrayDeletedWithoutBraces
-#define MAYBE_SingleElementDeletedWithBraces SingleElementDeletedWithBraces
-#endif
+#endif // (defined(ADDRESS_SANITIZER) && defined(OS_IOS)) || defined(SYZYASAN)
 
 // The following tests pass with Clang r170392, but not r172454, which
 // makes AddressSanitizer detect errors in them. We disable these tests under
 // AddressSanitizer until we fully switch to Clang r172454. After that the
 // tests should be put back under the (defined(OS_IOS) || defined(OS_WIN))
 // clause above.
 // See also http://crbug.com/172614.
 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 #define MAYBE_SingleElementDeletedWithBraces \
     DISABLED_SingleElementDeletedWithBraces
 #define MAYBE_ArrayDeletedWithoutBraces DISABLED_ArrayDeletedWithoutBraces
-#endif
+#else
+#define MAYBE_ArrayDeletedWithoutBraces ArrayDeletedWithoutBraces
+#define MAYBE_SingleElementDeletedWithBraces SingleElementDeletedWithBraces
+#endif  // defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
+
 TEST(ToolsSanityTest, MAYBE_AccessesToNewMemory) {
   char *foo = new char[10];
   MakeSomeErrors(foo, 10);
   delete [] foo;
   // Use after delete.
   HARMFUL_ACCESS(foo[5] = 0, "heap-use-after-free");
 }
 
 TEST(ToolsSanityTest, MAYBE_AccessesToMallocMemory) {
   char *foo = reinterpret_cast<char*>(malloc(10));
@@ skipping 179 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