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Diffstat (limited to 'mojo/edk/system/shared_buffer_dispatcher_unittest.cc')
| -rw-r--r-- | mojo/edk/system/shared_buffer_dispatcher_unittest.cc | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/mojo/edk/system/shared_buffer_dispatcher_unittest.cc b/mojo/edk/system/shared_buffer_dispatcher_unittest.cc deleted file mode 100644 index c95bdc3..0000000 --- a/mojo/edk/system/shared_buffer_dispatcher_unittest.cc +++ /dev/null @@ -1,312 +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/shared_buffer_dispatcher.h" - -#include <stddef.h> -#include <stdint.h> - -#include <limits> - -#include "base/macros.h" -#include "base/memory/ref_counted.h" -#include "mojo/edk/embedder/platform_shared_buffer.h" -#include "mojo/edk/system/dispatcher.h" -#include "testing/gtest/include/gtest/gtest.h" - -namespace mojo { -namespace edk { -namespace { - -// NOTE(vtl): There's currently not much to test for in -// |SharedBufferDispatcher::ValidateCreateOptions()|, but the tests should be -// expanded if/when options are added, so I've kept the general form of the -// tests from data_pipe_unittest.cc. - -const uint32_t kSizeOfCreateOptions = sizeof(MojoCreateSharedBufferOptions); - -// Does a cursory sanity check of |validated_options|. Calls -// |ValidateCreateOptions()| on already-validated options. The validated options -// should be valid, and the revalidated copy should be the same. -void RevalidateCreateOptions( - const MojoCreateSharedBufferOptions& validated_options) { - EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); - // Nothing to check for flags. - - MojoCreateSharedBufferOptions revalidated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - SharedBufferDispatcher::ValidateCreateOptions( - &validated_options, &revalidated_options)); - EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); - EXPECT_EQ(validated_options.flags, revalidated_options.flags); -} - -class SharedBufferDispatcherTest : public testing::Test { - public: - SharedBufferDispatcherTest() {} - ~SharedBufferDispatcherTest() override {} - - private: - DISALLOW_COPY_AND_ASSIGN(SharedBufferDispatcherTest); -}; - -// Tests valid inputs to |ValidateCreateOptions()|. -TEST_F(SharedBufferDispatcherTest, ValidateCreateOptionsValid) { - // Default options. - { - MojoCreateSharedBufferOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::ValidateCreateOptions( - nullptr, &validated_options)); - RevalidateCreateOptions(validated_options); - } - - // Different flags. - MojoCreateSharedBufferOptionsFlags flags_values[] = { - MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE}; - for (size_t i = 0; i < arraysize(flags_values); i++) { - const MojoCreateSharedBufferOptionsFlags flags = flags_values[i]; - - // Different capacities (size 1). - for (uint32_t capacity = 1; capacity <= 100 * 1000 * 1000; capacity *= 10) { - MojoCreateSharedBufferOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags // |flags|. - }; - MojoCreateSharedBufferOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - SharedBufferDispatcher::ValidateCreateOptions( - &options, &validated_options)) - << capacity; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - } - } -} - -TEST_F(SharedBufferDispatcherTest, ValidateCreateOptionsInvalid) { - // Invalid |struct_size|. - { - MojoCreateSharedBufferOptions options = { - 1, // |struct_size|. - MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE // |flags|. - }; - MojoCreateSharedBufferOptions unused; - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - SharedBufferDispatcher::ValidateCreateOptions( - &options, &unused)); - } - - // Unknown |flags|. - { - MojoCreateSharedBufferOptions options = { - kSizeOfCreateOptions, // |struct_size|. - ~0u // |flags|. - }; - MojoCreateSharedBufferOptions unused; - EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, - SharedBufferDispatcher::ValidateCreateOptions( - &options, &unused)); - } -} - -TEST_F(SharedBufferDispatcherTest, CreateAndMapBuffer) { - scoped_refptr<SharedBufferDispatcher> dispatcher; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, - nullptr, 100, &dispatcher)); - ASSERT_TRUE(dispatcher); - EXPECT_EQ(Dispatcher::Type::SHARED_BUFFER, dispatcher->GetType()); - - // Make a couple of mappings. - std::unique_ptr<PlatformSharedBufferMapping> mapping1; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( - 0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); - ASSERT_TRUE(mapping1); - ASSERT_TRUE(mapping1->GetBase()); - EXPECT_EQ(100u, mapping1->GetLength()); - // Write something. - static_cast<char*>(mapping1->GetBase())[50] = 'x'; - - std::unique_ptr<PlatformSharedBufferMapping> mapping2; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( - 50, 50, MOJO_MAP_BUFFER_FLAG_NONE, &mapping2)); - ASSERT_TRUE(mapping2); - ASSERT_TRUE(mapping2->GetBase()); - EXPECT_EQ(50u, mapping2->GetLength()); - EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]); - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); - - // Check that we can still read/write to mappings after the dispatcher has - // gone away. - static_cast<char*>(mapping2->GetBase())[1] = 'y'; - EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]); -} - -TEST_F(SharedBufferDispatcherTest, CreateAndMapBufferFromPlatformBuffer) { - scoped_refptr<PlatformSharedBuffer> platform_shared_buffer = - PlatformSharedBuffer::Create(100); - ASSERT_TRUE(platform_shared_buffer); - scoped_refptr<SharedBufferDispatcher> dispatcher; - EXPECT_EQ(MOJO_RESULT_OK, - SharedBufferDispatcher::CreateFromPlatformSharedBuffer( - platform_shared_buffer, &dispatcher)); - ASSERT_TRUE(dispatcher); - EXPECT_EQ(Dispatcher::Type::SHARED_BUFFER, dispatcher->GetType()); - - // Make a couple of mappings. - std::unique_ptr<PlatformSharedBufferMapping> mapping1; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( - 0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); - ASSERT_TRUE(mapping1); - ASSERT_TRUE(mapping1->GetBase()); - EXPECT_EQ(100u, mapping1->GetLength()); - // Write something. - static_cast<char*>(mapping1->GetBase())[50] = 'x'; - - std::unique_ptr<PlatformSharedBufferMapping> mapping2; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( - 50, 50, MOJO_MAP_BUFFER_FLAG_NONE, &mapping2)); - ASSERT_TRUE(mapping2); - ASSERT_TRUE(mapping2->GetBase()); - EXPECT_EQ(50u, mapping2->GetLength()); - EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]); - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); - - // Check that we can still read/write to mappings after the dispatcher has - // gone away. - static_cast<char*>(mapping2->GetBase())[1] = 'y'; - EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]); -} - -TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandle) { - scoped_refptr<SharedBufferDispatcher> dispatcher1; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, - nullptr, 100, &dispatcher1)); - - // Map and write something. - std::unique_ptr<PlatformSharedBufferMapping> mapping; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->MapBuffer( - 0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); - static_cast<char*>(mapping->GetBase())[0] = 'x'; - mapping.reset(); - - // Duplicate |dispatcher1| and then close it. - scoped_refptr<Dispatcher> dispatcher2; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->DuplicateBufferHandle( - nullptr, &dispatcher2)); - ASSERT_TRUE(dispatcher2); - EXPECT_EQ(Dispatcher::Type::SHARED_BUFFER, dispatcher2->GetType()); - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); - - // Map |dispatcher2| and read something. - EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->MapBuffer( - 0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); - EXPECT_EQ('x', static_cast<char*>(mapping->GetBase())[0]); - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); -} - -TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsValid) { - scoped_refptr<SharedBufferDispatcher> dispatcher1; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, - nullptr, 100, &dispatcher1)); - - MojoDuplicateBufferHandleOptions options[] = { - {sizeof(MojoDuplicateBufferHandleOptions), - MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}, - {sizeof(MojoDuplicateBufferHandleOptions), - MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_READ_ONLY}, - {sizeof(MojoDuplicateBufferHandleOptionsFlags), ~0u}}; - for (size_t i = 0; i < arraysize(options); i++) { - scoped_refptr<Dispatcher> dispatcher2; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->DuplicateBufferHandle( - &options[i], &dispatcher2)); - ASSERT_TRUE(dispatcher2); - EXPECT_EQ(Dispatcher::Type::SHARED_BUFFER, dispatcher2->GetType()); - { - std::unique_ptr<PlatformSharedBufferMapping> mapping; - EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->MapBuffer(0, 100, 0, &mapping)); - } - EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); - } - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); -} - -TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsInvalid) { - scoped_refptr<SharedBufferDispatcher> dispatcher1; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, - nullptr, 100, &dispatcher1)); - - // Invalid |struct_size|. - { - MojoDuplicateBufferHandleOptions options = { - 1u, MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}; - scoped_refptr<Dispatcher> dispatcher2; - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - dispatcher1->DuplicateBufferHandle(&options, &dispatcher2)); - EXPECT_FALSE(dispatcher2); - } - - // Unknown |flags|. - { - MojoDuplicateBufferHandleOptions options = { - sizeof(MojoDuplicateBufferHandleOptions), ~0u}; - scoped_refptr<Dispatcher> dispatcher2; - EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, - dispatcher1->DuplicateBufferHandle(&options, &dispatcher2)); - EXPECT_FALSE(dispatcher2); - } - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); -} - -TEST_F(SharedBufferDispatcherTest, CreateInvalidNumBytes) { - // Size too big. - scoped_refptr<SharedBufferDispatcher> dispatcher; - EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, - SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, nullptr, - std::numeric_limits<uint64_t>::max(), &dispatcher)); - EXPECT_FALSE(dispatcher); - - // Zero size. - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, nullptr, 0, - &dispatcher)); - EXPECT_FALSE(dispatcher); -} - -TEST_F(SharedBufferDispatcherTest, MapBufferInvalidArguments) { - scoped_refptr<SharedBufferDispatcher> dispatcher; - EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( - SharedBufferDispatcher::kDefaultCreateOptions, - nullptr, 100, &dispatcher)); - - std::unique_ptr<PlatformSharedBufferMapping> mapping; - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - dispatcher->MapBuffer(0, 101, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); - EXPECT_FALSE(mapping); - - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - dispatcher->MapBuffer(1, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); - EXPECT_FALSE(mapping); - - EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, - dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); - EXPECT_FALSE(mapping); - - EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); -} - -} // namespace -} // namespace edk -} // namespace mojo |