Deleted OS_WIN and all Windows specific files from base.

base/security_unittest.cc

 // 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 <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
 #include <algorithm>
 #include <limits>
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_POSIX)
 #include <sys/mman.h>
 #include <unistd.h>
 #endif
 
-#if defined(OS_WIN)
-#include <new.h>
-#endif
-
 using std::nothrow;
 using std::numeric_limits;
 
 namespace {
 
-#if defined(OS_WIN)
-// This is a permitted size but exhausts memory pretty quickly.
-const size_t kLargePermittedAllocation = 0x7FFFE000;
-
-int OnNoMemory(size_t) {
-  _exit(1);
-}
-
-void ExhaustMemoryWithMalloc() {
-  for (;;) {
-    // Without the |volatile|, clang optimizes away the allocation.
-    void* volatile buf = malloc(kLargePermittedAllocation);
-    if (!buf)
-      break;
-  }
-}
-
-void ExhaustMemoryWithRealloc() {
-  size_t size = kLargePermittedAllocation;
-  void* buf = malloc(size);
-  if (!buf)
-    return;
-  for (;;) {
-    size += kLargePermittedAllocation;
-    void* new_buf = realloc(buf, size);
-    if (!buf)
-      break;
-    buf = new_buf;
-  }
-}
-#endif
-
 // This function acts as a compiler optimization barrier. We use it to
 // prevent the compiler from making an expression a compile-time constant.
 // We also use it so that the compiler doesn't discard certain return values
 // as something we don't need (see the comment with calloc below).
 template <typename Type>
 NOINLINE Type HideValueFromCompiler(volatile Type value) {
 #if defined(__GNUC__)
   // In a GCC compatible compiler (GCC or Clang), make this compiler barrier
   // more robust than merely using "volatile".
   __asm__ volatile ("" : "+r" (value));
@@ skipping 56 matching lines @@
 // crbug.com/169327.
 
 TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationRestrictionsMalloc)) {
   if (!IsTcMallocBypassed()) {
     scoped_ptr<char, base::FreeDeleter> ptr(static_cast<char*>(
         HideValueFromCompiler(malloc(kTooBigAllocSize))));
     ASSERT_TRUE(!ptr);
   }
 }
 
-#if defined(GTEST_HAS_DEATH_TEST) && defined(OS_WIN)
-TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationMallocDeathTest)) {
-  _set_new_handler(&OnNoMemory);
-  _set_new_mode(1);
-  {
-    scoped_ptr<char, base::FreeDeleter> ptr;
-    EXPECT_DEATH(ptr.reset(static_cast<char*>(
-                      HideValueFromCompiler(malloc(kTooBigAllocSize)))),
-                  "");
-    ASSERT_TRUE(!ptr);
-  }
-  _set_new_handler(NULL);
-  _set_new_mode(0);
-}
-
-TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationExhaustDeathTest)) {
-  _set_new_handler(&OnNoMemory);
-  _set_new_mode(1);
-  {
-    ASSERT_DEATH(ExhaustMemoryWithMalloc(), "");
-  }
-  _set_new_handler(NULL);
-  _set_new_mode(0);
-}
-
-TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryReallocationExhaustDeathTest)) {
-  _set_new_handler(&OnNoMemory);
-  _set_new_mode(1);
-  {
-    ASSERT_DEATH(ExhaustMemoryWithRealloc(), "");
-  }
-  _set_new_handler(NULL);
-  _set_new_mode(0);
-}
-#endif
-
 TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationRestrictionsCalloc)) {
   if (!IsTcMallocBypassed()) {
     scoped_ptr<char, base::FreeDeleter> ptr(static_cast<char*>(
         HideValueFromCompiler(calloc(kTooBigAllocSize, 1))));
     ASSERT_TRUE(!ptr);
   }
 }
 
 TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationRestrictionsRealloc)) {
   if (!IsTcMallocBypassed()) {
@@ skipping 12 matching lines @@
 } VeryLargeStruct;
 
 TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationRestrictionsNew)) {
   if (!IsTcMallocBypassed()) {
     scoped_ptr<VeryLargeStruct> ptr(
         HideValueFromCompiler(new (nothrow) VeryLargeStruct));
     ASSERT_TRUE(!ptr);
   }
 }
 
-#if defined(GTEST_HAS_DEATH_TEST) && defined(OS_WIN)
-TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationNewDeathTest)) {
-  _set_new_handler(&OnNoMemory);
-  {
-    scoped_ptr<VeryLargeStruct> ptr;
-    EXPECT_DEATH(
-        ptr.reset(HideValueFromCompiler(new (nothrow) VeryLargeStruct)), "");
-    ASSERT_TRUE(!ptr);
-  }
-  _set_new_handler(NULL);
-}
-#endif
-
 TEST(SecurityTest, MALLOC_OVERFLOW_TEST(MemoryAllocationRestrictionsNewArray)) {
   if (!IsTcMallocBypassed()) {
     scoped_ptr<char[]> ptr(
         HideValueFromCompiler(new (nothrow) char[kTooBigAllocSize]));
     ASSERT_TRUE(!ptr);
   }
 }
 
 // The tests bellow check for overflows in new[] and calloc().
 
 // There are platforms where these tests are known to fail. We would like to
 // be able to easily check the status on the bots, but marking tests as
 // FAILS_ is too clunky.
 void OverflowTestsSoftExpectTrue(bool overflow_detected) {
   if (!overflow_detected) {
 #if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_MACOSX)
     // Sadly, on Linux, Android, and OSX we don't have a good story yet. Don't
     // fail the test, but report.
     printf("Platform has overflow: %s\n",
            !overflow_detected ? "yes." : "no.");
 #else
     // Otherwise, fail the test. (Note: EXPECT are ok in subfunctions, ASSERT
     // aren't).
     EXPECT_TRUE(overflow_detected);
 #endif
   }
 }
 
-#if defined(OS_IOS) || defined(OS_WIN) || defined(THREAD_SANITIZER) || defined(OS_MACOSX)
+#if defined(OS_IOS) || defined(THREAD_SANITIZER) || defined(OS_MACOSX)
 #define MAYBE_NewOverflow DISABLED_NewOverflow
 #else
 #define MAYBE_NewOverflow NewOverflow
 #endif
 // Test array[TooBig][X] and array[X][TooBig] allocations for int overflows.
 // IOS doesn't honor nothrow, so disable the test there.
 // Crashes on Windows Dbg builds, disable there as well.
 // Fails on Mac 10.8 http://crbug.com/227092
 TEST(SecurityTest, MAYBE_NewOverflow) {
   const size_t kArraySize = 4096;
   // We want something "dynamic" here, so that the compiler doesn't
   // immediately reject crazy arrays.
   const size_t kDynamicArraySize = HideValueFromCompiler(kArraySize);
   // numeric_limits are still not constexpr until we switch to C++11, so we
   // use an ugly cast.
   const size_t kMaxSizeT = ~static_cast<size_t>(0);
   ASSERT_EQ(numeric_limits<size_t>::max(), kMaxSizeT);
   const size_t kArraySize2 = kMaxSizeT / kArraySize + 10;
   const size_t kDynamicArraySize2 = HideValueFromCompiler(kArraySize2);
   {
     scoped_ptr<char[][kArraySize]> array_pointer(new (nothrow)
         char[kDynamicArraySize2][kArraySize]);
     OverflowTestsSoftExpectTrue(!array_pointer);
   }
-  // On windows, the compiler prevents static array sizes of more than
-  // 0x7fffffff (error C2148).
-#if defined(OS_WIN) && defined(ARCH_CPU_64_BITS)
-  ALLOW_UNUSED_LOCAL(kDynamicArraySize);
-#else
   {
     scoped_ptr<char[][kArraySize2]> array_pointer(new (nothrow)
         char[kDynamicArraySize][kArraySize2]);
     OverflowTestsSoftExpectTrue(!array_pointer);
   }
-#endif  // !defined(OS_WIN) || !defined(ARCH_CPU_64_BITS)
 }
 
 // Call calloc(), eventually free the memory and return whether or not
 // calloc() did succeed.
 bool CallocReturnsNull(size_t nmemb, size_t size) {
   scoped_ptr<char, base::FreeDeleter> array_pointer(
       static_cast<char*>(calloc(nmemb, size)));
   // We need the call to HideValueFromCompiler(): we have seen LLVM
   // optimize away the call to calloc() entirely and assume the pointer to not
   // be NULL.
@@ skipping 69 matching lines @@
   // kRandomMask, so we use it as an additional detection mechanism.
   const uintptr_t kRandomMask = 0x3fffffffffffULL;
   bool impossible_random_address =
       reinterpret_cast<uintptr_t>(ptr.get()) & ~kRandomMask;
   EXPECT_FALSE(impossible_random_address);
 }
 
 #endif  // defined(OS_LINUX) && defined(__x86_64__)
 
 }  // namespace