Revert "Move mojo edk into mojo/edk"

mojo/edk/system/memory_unittest.cc

Index: mojo/edk/system/memory_unittest.cc
diff --git a/mojo/edk/system/memory_unittest.cc b/mojo/edk/system/memory_unittest.cc
deleted file mode 100644
index 46515c0cf6f0cce41baaa500dbddc5370a109246..0000000000000000000000000000000000000000
--- a/mojo/edk/system/memory_unittest.cc
+++ /dev/null
@@ -1,294 +0,0 @@
-// Copyright 2014 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 "mojo/edk/system/memory.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <limits>
-
-#include "mojo/public/c/system/macros.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mojo {
-namespace system {
-namespace {
-
-TEST(MemoryTest, Valid) {
-  char my_char;
-  int32_t my_int32;
-  int64_t my_int64_array[5] = {};  // Zero initialize.
-
-  UserPointer<char> my_char_ptr(&my_char);
-  UserPointer<int32_t> my_int32_ptr(&my_int32);
-  UserPointer<int64_t> my_int64_array_ptr(my_int64_array);
-
-  // |UserPointer<>::IsNull()|:
-  EXPECT_FALSE(my_char_ptr.IsNull());
-  EXPECT_FALSE(my_int32_ptr.IsNull());
-  EXPECT_FALSE(my_int64_array_ptr.IsNull());
-
-  // |UserPointer<>::Put()| and |UserPointer<>::Get()|:
-  my_char_ptr.Put('x');
-  EXPECT_EQ('x', my_char);
-  EXPECT_EQ('x', my_char_ptr.Get());
-  my_int32_ptr.Put(123);
-  EXPECT_EQ(123, my_int32);
-  EXPECT_EQ(123, my_int32_ptr.Get());
-  my_int64_array_ptr.Put(456);
-  EXPECT_EQ(456, my_int64_array[0]);
-  EXPECT_EQ(456, my_int64_array_ptr.Get());
-
-  // |UserPointer<>::At()|, etc.:
-  my_int64_array_ptr.At(3).Put(789);
-  EXPECT_EQ(789, my_int64_array[3]);
-  {
-    // Copy construction:
-    UserPointer<int64_t> other(my_int64_array_ptr.At(3));
-    EXPECT_FALSE(other.IsNull());
-    EXPECT_EQ(789, other.Get());
-
-    // Assignment:
-    other = my_int64_array_ptr;
-    EXPECT_FALSE(other.IsNull());
-    EXPECT_EQ(456, other.Get());
-
-    // Assignment to |NullUserPointer()|:
-    other = NullUserPointer();
-    EXPECT_TRUE(other.IsNull());
-
-    // |MakeUserPointer()|:
-    other = MakeUserPointer(&my_int64_array[1]);
-    other.Put(-123);
-    EXPECT_EQ(-123, my_int64_array_ptr.At(1).Get());
-  }
-
-  // "const" |UserPointer<>|:
-  {
-    // Explicit constructor from |NullUserPointer()|:
-    UserPointer<const char> other((NullUserPointer()));
-    EXPECT_TRUE(other.IsNull());
-
-    // Conversion to "const":
-    other = my_char_ptr;
-    EXPECT_EQ('x', other.Get());
-  }
-
-  // Default constructor:
-  {
-    UserPointer<int32_t> other;
-    EXPECT_TRUE(other.IsNull());
-
-    other = my_int32_ptr;
-    other.Put(-456);
-    EXPECT_EQ(-456, my_int32_ptr.Get());
-  }
-
-  // |UserPointer<>::CheckArray()|:
-  my_int64_array_ptr.CheckArray(5);
-
-  // |UserPointer<>::GetArray()|:
-  {
-    // From a "const" |UserPointer<>| (why not?):
-    UserPointer<const int64_t> other(my_int64_array_ptr);
-    int64_t array[3] = {1, 2, 3};
-    other.At(1).GetArray(array, 3);
-    EXPECT_EQ(-123, array[0]);
-    EXPECT_EQ(0, array[1]);
-    EXPECT_EQ(789, array[2]);
-  }
-
-  // |UserPointer<>::PutArray()|:
-  {
-    const int64_t array[2] = {654, 321};
-    my_int64_array_ptr.At(3).PutArray(array, 2);
-    EXPECT_EQ(0, my_int64_array[2]);
-    EXPECT_EQ(654, my_int64_array[3]);
-    EXPECT_EQ(321, my_int64_array[4]);
-  }
-
-  // |UserPointer<>::Reader|:
-  {
-    UserPointer<int64_t>::Reader reader(my_int64_array_ptr, 5);
-    EXPECT_EQ(456, reader.GetPointer()[0]);
-    EXPECT_EQ(321, reader.GetPointer()[4]);
-  }
-
-  // Non-const to const:
-  {
-    UserPointer<const int64_t>::Reader reader(my_int64_array_ptr.At(3), 1);
-    const int64_t* ptr = reader.GetPointer();
-    EXPECT_EQ(654, *ptr);
-  }
-
-  // |UserPointer<>::Writer|:
-  {
-    UserPointer<int64_t>::Writer writer(my_int64_array_ptr.At(2), 1);
-    int64_t* ptr = writer.GetPointer();
-    *ptr = 1234567890123LL;
-    writer.Commit();
-    EXPECT_EQ(1234567890123LL, my_int64_array[2]);
-  }
-
-  // |UserPointer<>::ReaderWriter|:
-  {
-    UserPointer<int32_t>::ReaderWriter reader_writer(my_int32_ptr, 1);
-    int32_t* ptr = reader_writer.GetPointer();
-    EXPECT_EQ(-456, *ptr);
-    *ptr = 42;
-    reader_writer.Commit();
-    EXPECT_EQ(42, my_int32);
-  }
-
-  // |UserPointer<>::ReinterpretCast<>|:
-  // (This assumes little-endian, etc.)
-  {
-    UserPointer<const char> other(my_int32_ptr.ReinterpretCast<char>());
-    EXPECT_EQ(42, other.Get());
-    EXPECT_EQ(0, other.At(1).Get());
-    EXPECT_EQ(0, other.At(2).Get());
-    EXPECT_EQ(0, other.At(3).Get());
-  }
-
-  // |UserPointer<>::GetPointerValue()|:
-  {
-    UserPointer<int32_t> other;
-    EXPECT_EQ(0u, other.GetPointerValue());
-    other = my_int32_ptr;
-    EXPECT_EQ(reinterpret_cast<uintptr_t>(&my_int32), other.GetPointerValue());
-  }
-}
-
-TEST(MemoryTest, InvalidDeath) {
-  const char kMemoryCheckFailedRegex[] = "Check failed";
-
-  // Note: |Check...()| are defined to be "best effort" checks (and may always
-  // return true). Thus these tests of invalid cases only reflect the current
-  // implementation.
-
-  // These tests depend on |int32_t| and |int64_t| having nontrivial alignment.
-  static_assert(MOJO_ALIGNOF(int32_t) != 1,
-                "int32_t does not require nontrivial alignment");
-  static_assert(MOJO_ALIGNOF(int64_t) != 1,
-                "int64_t does not require nontrivial alignment");
-
-  // Null:
-  {
-    UserPointer<char> ptr(nullptr);
-    char array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Put('x'), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(array, 5), kMemoryCheckFailedRegex);
-  }
-  {
-    UserPointer<int32_t> ptr(nullptr);
-    int32_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Put(123), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(array, 5), kMemoryCheckFailedRegex);
-  }
-  {
-    UserPointer<int64_t> ptr(nullptr);
-    int64_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Put(123), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(array, 5), kMemoryCheckFailedRegex);
-  }
-  // Also check a const pointer:
-  {
-    UserPointer<const int32_t> ptr(nullptr);
-    int32_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-  }
-
-  // Unaligned:
-  {
-    int32_t x[10];
-    UserPointer<int32_t> ptr(
-        reinterpret_cast<int32_t*>(reinterpret_cast<uintptr_t>(x) + 1));
-    int32_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Put(123), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(array, 5), kMemoryCheckFailedRegex);
-  }
-  {
-    int64_t x[10];
-    UserPointer<int64_t> ptr(
-        reinterpret_cast<int64_t*>(reinterpret_cast<uintptr_t>(x) + 1));
-    int64_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Put(123), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(array, 5), kMemoryCheckFailedRegex);
-  }
-  // Also check a const pointer:
-  {
-    int32_t x[10];
-    UserPointer<const int32_t> ptr(
-        reinterpret_cast<const int32_t*>(reinterpret_cast<uintptr_t>(x) + 1));
-    int32_t array[5] = {};
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Check(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.Get(), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(5), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(array, 5), kMemoryCheckFailedRegex);
-  }
-
-  // Count too big:
-  {
-    const size_t kTooBig =
-        std::numeric_limits<size_t>::max() / sizeof(int32_t) + 1;
-    int32_t x = 0;
-    UserPointer<int32_t> ptr(&x);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(kTooBig), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(&x, kTooBig),
-                              kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(&x, kTooBig),
-                              kMemoryCheckFailedRegex);
-  }
-  {
-    const size_t kTooBig =
-        std::numeric_limits<size_t>::max() / sizeof(int64_t) + 1;
-    int64_t x = 0;
-    UserPointer<int64_t> ptr(&x);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(kTooBig), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(&x, kTooBig),
-                              kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.PutArray(&x, kTooBig),
-                              kMemoryCheckFailedRegex);
-  }
-  // Also check a const pointer:
-  {
-    const size_t kTooBig =
-        std::numeric_limits<size_t>::max() / sizeof(int32_t) + 1;
-    int32_t x = 0;
-    UserPointer<const int32_t> ptr(&x);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.CheckArray(kTooBig), kMemoryCheckFailedRegex);
-    EXPECT_DEATH_IF_SUPPORTED(ptr.GetArray(&x, kTooBig),
-                              kMemoryCheckFailedRegex);
-  }
-
-  // TODO(vtl): Tests for |UserPointer{Reader,Writer,ReaderWriter}|.
-}
-
-}  // namespace
-}  // namespace system
-}  // namespace mojo