| Index: mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
|
| diff --git a/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc b/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
|
| deleted file mode 100644
|
| index 4644b7b63f1e744e055a7ce0c4ffae15c0c646f4..0000000000000000000000000000000000000000
|
| --- a/mojo/edk/embedder/simple_platform_shared_buffer_unittest.cc
|
| +++ /dev/null
|
| @@ -1,187 +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/embedder/simple_platform_shared_buffer.h"
|
| -
|
| -#include <limits>
|
| -
|
| -#include "base/macros.h"
|
| -#include "base/memory/ref_counted.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "testing/gtest/include/gtest/gtest.h"
|
| -
|
| -namespace mojo {
|
| -namespace embedder {
|
| -namespace {
|
| -
|
| -TEST(SimplePlatformSharedBufferTest, Basic) {
|
| - const size_t kNumInts = 100;
|
| - const size_t kNumBytes = kNumInts * sizeof(int);
|
| - // A fudge so that we're not just writing zero bytes 75% of the time.
|
| - const int kFudge = 1234567890;
|
| -
|
| - // Make some memory.
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(kNumBytes));
|
| - ASSERT_TRUE(buffer);
|
| -
|
| - // Map it all, scribble some stuff, and then unmap it.
|
| - {
|
| - EXPECT_TRUE(buffer->IsValidMap(0, kNumBytes));
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping(buffer->Map(0, kNumBytes));
|
| - ASSERT_TRUE(mapping);
|
| - ASSERT_TRUE(mapping->GetBase());
|
| - int* stuff = static_cast<int*>(mapping->GetBase());
|
| - for (size_t i = 0; i < kNumInts; i++)
|
| - stuff[i] = static_cast<int>(i) + kFudge;
|
| - }
|
| -
|
| - // Map it all again, check that our scribbling is still there, then do a
|
| - // partial mapping and scribble on that, check that everything is coherent,
|
| - // unmap the first mapping, scribble on some of the second mapping, and then
|
| - // unmap it.
|
| - {
|
| - ASSERT_TRUE(buffer->IsValidMap(0, kNumBytes));
|
| - // Use |MapNoCheck()| this time.
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping1(
|
| - buffer->MapNoCheck(0, kNumBytes));
|
| - ASSERT_TRUE(mapping1);
|
| - ASSERT_TRUE(mapping1->GetBase());
|
| - int* stuff1 = static_cast<int*>(mapping1->GetBase());
|
| - for (size_t i = 0; i < kNumInts; i++)
|
| - EXPECT_EQ(static_cast<int>(i) + kFudge, stuff1[i]) << i;
|
| -
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping2(
|
| - buffer->Map((kNumInts / 2) * sizeof(int), 2 * sizeof(int)));
|
| - ASSERT_TRUE(mapping2);
|
| - ASSERT_TRUE(mapping2->GetBase());
|
| - int* stuff2 = static_cast<int*>(mapping2->GetBase());
|
| - EXPECT_EQ(static_cast<int>(kNumInts / 2) + kFudge, stuff2[0]);
|
| - EXPECT_EQ(static_cast<int>(kNumInts / 2) + 1 + kFudge, stuff2[1]);
|
| -
|
| - stuff2[0] = 123;
|
| - stuff2[1] = 456;
|
| - EXPECT_EQ(123, stuff1[kNumInts / 2]);
|
| - EXPECT_EQ(456, stuff1[kNumInts / 2 + 1]);
|
| -
|
| - mapping1.reset();
|
| -
|
| - EXPECT_EQ(123, stuff2[0]);
|
| - EXPECT_EQ(456, stuff2[1]);
|
| - stuff2[1] = 789;
|
| - }
|
| -
|
| - // Do another partial mapping and check that everything is the way we expect
|
| - // it to be.
|
| - {
|
| - EXPECT_TRUE(buffer->IsValidMap(sizeof(int), kNumBytes - sizeof(int)));
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping(
|
| - buffer->Map(sizeof(int), kNumBytes - sizeof(int)));
|
| - ASSERT_TRUE(mapping);
|
| - ASSERT_TRUE(mapping->GetBase());
|
| - int* stuff = static_cast<int*>(mapping->GetBase());
|
| -
|
| - for (size_t j = 0; j < kNumInts - 1; j++) {
|
| - int i = static_cast<int>(j) + 1;
|
| - if (i == kNumInts / 2) {
|
| - EXPECT_EQ(123, stuff[j]);
|
| - } else if (i == kNumInts / 2 + 1) {
|
| - EXPECT_EQ(789, stuff[j]);
|
| - } else {
|
| - EXPECT_EQ(i + kFudge, stuff[j]) << i;
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -// TODO(vtl): Bigger buffers.
|
| -
|
| -TEST(SimplePlatformSharedBufferTest, InvalidMappings) {
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(100));
|
| - ASSERT_TRUE(buffer);
|
| -
|
| - // Zero length not allowed.
|
| - EXPECT_FALSE(buffer->Map(0, 0));
|
| - EXPECT_FALSE(buffer->IsValidMap(0, 0));
|
| -
|
| - // Okay:
|
| - EXPECT_TRUE(buffer->Map(0, 100));
|
| - EXPECT_TRUE(buffer->IsValidMap(0, 100));
|
| - // Offset + length too big.
|
| - EXPECT_FALSE(buffer->Map(0, 101));
|
| - EXPECT_FALSE(buffer->IsValidMap(0, 101));
|
| - EXPECT_FALSE(buffer->Map(1, 100));
|
| - EXPECT_FALSE(buffer->IsValidMap(1, 100));
|
| -
|
| - // Okay:
|
| - EXPECT_TRUE(buffer->Map(50, 50));
|
| - EXPECT_TRUE(buffer->IsValidMap(50, 50));
|
| - // Offset + length too big.
|
| - EXPECT_FALSE(buffer->Map(50, 51));
|
| - EXPECT_FALSE(buffer->IsValidMap(50, 51));
|
| - EXPECT_FALSE(buffer->Map(51, 50));
|
| - EXPECT_FALSE(buffer->IsValidMap(51, 50));
|
| -}
|
| -
|
| -TEST(SimplePlatformSharedBufferTest, TooBig) {
|
| - // If |size_t| is 32-bit, it's quite possible/likely that |Create()| succeeds
|
| - // (since it only involves creating a 4 GB file).
|
| - const size_t kMaxSizeT = std::numeric_limits<size_t>::max();
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(kMaxSizeT));
|
| - // But, assuming |sizeof(size_t) == sizeof(void*)|, mapping all of it should
|
| - // always fail.
|
| - if (buffer)
|
| - EXPECT_FALSE(buffer->Map(0, kMaxSizeT));
|
| -}
|
| -
|
| -// Tests that separate mappings get distinct addresses.
|
| -// Note: It's not inconceivable that the OS could ref-count identical mappings
|
| -// and reuse the same address, in which case we'd have to be more careful about
|
| -// using the address as the key for unmapping.
|
| -TEST(SimplePlatformSharedBufferTest, MappingsDistinct) {
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(100));
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping1(buffer->Map(0, 100));
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping2(buffer->Map(0, 100));
|
| - EXPECT_NE(mapping1->GetBase(), mapping2->GetBase());
|
| -}
|
| -
|
| -TEST(SimplePlatformSharedBufferTest, BufferZeroInitialized) {
|
| - static const size_t kSizes[] = {10, 100, 1000, 10000, 100000};
|
| - for (size_t i = 0; i < arraysize(kSizes); i++) {
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(kSizes[i]));
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping(buffer->Map(0, kSizes[i]));
|
| - for (size_t j = 0; j < kSizes[i]; j++) {
|
| - // "Assert" instead of "expect" so we don't spam the output with thousands
|
| - // of failures if we fail.
|
| - ASSERT_EQ('\0', static_cast<char*>(mapping->GetBase())[j])
|
| - << "size " << kSizes[i] << ", offset " << j;
|
| - }
|
| - }
|
| -}
|
| -
|
| -TEST(SimplePlatformSharedBufferTest, MappingsOutliveBuffer) {
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping1;
|
| - scoped_ptr<PlatformSharedBufferMapping> mapping2;
|
| -
|
| - {
|
| - scoped_refptr<SimplePlatformSharedBuffer> buffer(
|
| - SimplePlatformSharedBuffer::Create(100));
|
| - mapping1 = buffer->Map(0, 100).Pass();
|
| - mapping2 = buffer->Map(50, 50).Pass();
|
| - static_cast<char*>(mapping1->GetBase())[50] = 'x';
|
| - }
|
| -
|
| - EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]);
|
| -
|
| - static_cast<char*>(mapping2->GetBase())[1] = 'y';
|
| - EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]);
|
| -}
|
| -
|
| -} // namespace
|
| -} // namespace embedder
|
| -} // namespace mojo
|
|
|