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Unified Diff: third_party/mojo/src/mojo/edk/embedder/embedder_unittest.cc

Issue 1676913002: [mojo] Delete third_party/mojo (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: let's try that again Created 4 years, 10 months ago
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Index: third_party/mojo/src/mojo/edk/embedder/embedder_unittest.cc
diff --git a/third_party/mojo/src/mojo/edk/embedder/embedder_unittest.cc b/third_party/mojo/src/mojo/edk/embedder/embedder_unittest.cc
deleted file mode 100644
index fe93b512f7e343ea10c3d72d911ed37afb1054b5..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/edk/embedder/embedder_unittest.cc
+++ /dev/null
@@ -1,819 +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 "third_party/mojo/src/mojo/edk/embedder/embedder.h"
-
-#include <string.h>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/test/test_io_thread.h"
-#include "base/test/test_timeouts.h"
-#include "mojo/public/c/system/core.h"
-#include "mojo/public/cpp/system/handle.h"
-#include "mojo/public/cpp/system/macros.h"
-#include "mojo/public/cpp/system/message_pipe.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_channel_pair.h"
-#include "third_party/mojo/src/mojo/edk/embedder/test_embedder.h"
-#include "third_party/mojo/src/mojo/edk/system/mutex.h"
-#include "third_party/mojo/src/mojo/edk/system/test_utils.h"
-#include "third_party/mojo/src/mojo/edk/test/multiprocess_test_helper.h"
-#include "third_party/mojo/src/mojo/edk/test/scoped_ipc_support.h"
-
-namespace mojo {
-namespace embedder {
-namespace {
-
-const MojoHandleSignals kSignalReadadableWritable =
- MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE;
-
-const MojoHandleSignals kSignalAll = MOJO_HANDLE_SIGNAL_READABLE |
- MOJO_HANDLE_SIGNAL_WRITABLE |
- MOJO_HANDLE_SIGNAL_PEER_CLOSED;
-
-const char kConnectionIdFlag[] = "test-connection-id";
-
-void DoNothing() {}
-
-class ScopedTestChannel {
- public:
- // Creates a channel, which lives on the I/O thread given to
- // |InitIPCSupport()|. After construction, |bootstrap_message_pipe()| gives
- // the Mojo handle for the bootstrap message pipe on this channel; it is up to
- // the caller to close this handle. Note: The I/O thread must outlive this
- // object (and its message loop must continue pumping messages while this
- // object is alive).
- explicit ScopedTestChannel(ScopedPlatformHandle platform_handle)
- : bootstrap_message_pipe_(MOJO_HANDLE_INVALID),
- event_(true, false), // Manual reset.
- channel_info_(nullptr),
- wait_on_shutdown_(true) {
- bootstrap_message_pipe_ =
- CreateChannel(std::move(platform_handle),
- base::Bind(&ScopedTestChannel::DidCreateChannel,
- base::Unretained(this)),
- nullptr)
- .release()
- .value();
- CHECK_NE(bootstrap_message_pipe_, MOJO_HANDLE_INVALID);
- }
-
- // Destructor: Shuts down the channel. (As noted above, for this to happen,
- // the I/O thread must be alive and pumping messages.)
- ~ScopedTestChannel() {
- // |WaitForChannelCreationCompletion()| must be called before destruction.
- CHECK(event_.IsSignaled());
- event_.Reset();
- if (wait_on_shutdown_) {
- DestroyChannel(channel_info_,
- base::Bind(&ScopedTestChannel::DidDestroyChannel,
- base::Unretained(this)),
- nullptr);
- event_.Wait();
- } else {
- DestroyChannel(channel_info_, base::Bind(&DoNothing), nullptr);
- }
- }
-
- // Waits for channel creation to be completed.
- void WaitForChannelCreationCompletion() { event_.Wait(); }
-
- MojoHandle bootstrap_message_pipe() const { return bootstrap_message_pipe_; }
-
- // Call only after |WaitForChannelCreationCompletion()|. Use only to check
- // that it's not null.
- const ChannelInfo* channel_info() const { return channel_info_; }
-
- // Don't wait for the channel shutdown to finish on destruction. Used to
- // exercise races.
- void NoWaitOnShutdown() { wait_on_shutdown_ = false; }
-
- private:
- void DidCreateChannel(ChannelInfo* channel_info) {
- CHECK(channel_info);
- CHECK(!channel_info_);
- channel_info_ = channel_info;
- event_.Signal();
- }
-
- void DidDestroyChannel() { event_.Signal(); }
-
- // Valid from creation until whenever it gets closed (by the "owner" of this
- // object).
- // Note: We don't want use the C++ wrappers here, since we want to test the
- // API at the lowest level.
- MojoHandle bootstrap_message_pipe_;
-
- // Set after channel creation has been completed (i.e., the callback to
- // |CreateChannel()| has been called). Also used in the destructor to wait for
- // |DestroyChannel()| completion.
- base::WaitableEvent event_;
-
- // Valid after channel creation completion until destruction.
- ChannelInfo* channel_info_;
-
- // Whether the destructor should wait until the channel is destroyed.
- bool wait_on_shutdown_;
-
- MOJO_DISALLOW_COPY_AND_ASSIGN(ScopedTestChannel);
-};
-
-class EmbedderTest : public testing::Test {
- public:
- EmbedderTest() : test_io_thread_(base::TestIOThread::kAutoStart) {}
- ~EmbedderTest() override {}
-
- protected:
- base::TestIOThread& test_io_thread() { return test_io_thread_; }
- scoped_refptr<base::TaskRunner> test_io_task_runner() {
- return test_io_thread_.task_runner();
- }
-
- private:
- void SetUp() override { Init(); }
-
- void TearDown() override { EXPECT_TRUE(test::Shutdown()); }
-
- base::MessageLoop message_loop_;
- base::TestIOThread test_io_thread_;
-
- MOJO_DISALLOW_COPY_AND_ASSIGN(EmbedderTest);
-};
-
-TEST_F(EmbedderTest, ChannelsBasic) {
- mojo::test::ScopedIPCSupport ipc_support(test_io_task_runner());
-
- PlatformChannelPair channel_pair;
- ScopedTestChannel server_channel(channel_pair.PassServerHandle());
- MojoHandle server_mp = server_channel.bootstrap_message_pipe();
- EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
- ScopedTestChannel client_channel(channel_pair.PassClientHandle());
- MojoHandle client_mp = client_channel.bootstrap_message_pipe();
- EXPECT_NE(client_mp, MOJO_HANDLE_INVALID);
-
- // We can write to a message pipe handle immediately.
- const char kHello[] = "hello";
- EXPECT_EQ(
- MOJO_RESULT_OK,
- MojoWriteMessage(server_mp, kHello, static_cast<uint32_t>(sizeof(kHello)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Now wait for the other side to become readable.
- MojoHandleSignalsState state;
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- char buffer[1000] = {};
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(client_mp, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(sizeof(kHello), num_bytes);
- EXPECT_STREQ(kHello, buffer);
-
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp));
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp));
-
- // By this point, these waits should basically be no-ops (since we've waited
- // for the client message pipe to become readable, which implies that both
- // the server and client channels were completely created).
- server_channel.WaitForChannelCreationCompletion();
- client_channel.WaitForChannelCreationCompletion();
- EXPECT_TRUE(server_channel.channel_info());
- EXPECT_TRUE(client_channel.channel_info());
-}
-
-class TestAsyncWaiter {
- public:
- TestAsyncWaiter() : event_(true, false), wait_result_(MOJO_RESULT_UNKNOWN) {}
-
- void Awake(MojoResult result) {
- system::MutexLocker l(&wait_result_mutex_);
- wait_result_ = result;
- event_.Signal();
- }
-
- bool TryWait() { return event_.TimedWait(TestTimeouts::action_timeout()); }
-
- MojoResult wait_result() const {
- system::MutexLocker l(&wait_result_mutex_);
- return wait_result_;
- }
-
- private:
- base::WaitableEvent event_;
-
- mutable system::Mutex wait_result_mutex_;
- MojoResult wait_result_ MOJO_GUARDED_BY(wait_result_mutex_);
-
- MOJO_DISALLOW_COPY_AND_ASSIGN(TestAsyncWaiter);
-};
-
-void WriteHello(MessagePipeHandle pipe) {
- static const char kHello[] = "hello";
- CHECK_EQ(MOJO_RESULT_OK,
- WriteMessageRaw(pipe, kHello, static_cast<uint32_t>(sizeof(kHello)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-}
-
-void CloseScopedHandle(ScopedMessagePipeHandle handle) {
- // Do nothing and the destructor will close it.
-}
-
-TEST_F(EmbedderTest, AsyncWait) {
- ScopedMessagePipeHandle client_mp;
- ScopedMessagePipeHandle server_mp;
- EXPECT_EQ(MOJO_RESULT_OK, CreateMessagePipe(nullptr, &client_mp, &server_mp));
-
- TestAsyncWaiter waiter;
- EXPECT_EQ(MOJO_RESULT_OK,
- AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE,
- base::Bind(&TestAsyncWaiter::Awake,
- base::Unretained(&waiter))));
-
- test_io_task_runner()->PostTask(FROM_HERE,
- base::Bind(&WriteHello, server_mp.get()));
- EXPECT_TRUE(waiter.TryWait());
- EXPECT_EQ(MOJO_RESULT_OK, waiter.wait_result());
-
- // If message is in the queue, it does't allow us to wait.
- TestAsyncWaiter waiter_that_doesnt_wait;
- EXPECT_EQ(MOJO_RESULT_ALREADY_EXISTS,
- AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE,
- base::Bind(&TestAsyncWaiter::Awake,
- base::Unretained(&waiter_that_doesnt_wait))));
-
- char buffer[1000];
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- CHECK_EQ(MOJO_RESULT_OK,
- ReadMessageRaw(client_mp.get(), buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
-
- TestAsyncWaiter unsatisfiable_waiter;
- EXPECT_EQ(MOJO_RESULT_OK,
- AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE,
- base::Bind(&TestAsyncWaiter::Awake,
- base::Unretained(&unsatisfiable_waiter))));
-
- test_io_task_runner()->PostTask(
- FROM_HERE,
- base::Bind(&CloseScopedHandle, base::Passed(std::move(server_mp))));
-
- EXPECT_TRUE(unsatisfiable_waiter.TryWait());
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- unsatisfiable_waiter.wait_result());
-}
-
-TEST_F(EmbedderTest, ChannelsHandlePassing) {
- mojo::test::ScopedIPCSupport ipc_support(test_io_task_runner());
-
- PlatformChannelPair channel_pair;
- ScopedTestChannel server_channel(channel_pair.PassServerHandle());
- MojoHandle server_mp = server_channel.bootstrap_message_pipe();
- EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
- ScopedTestChannel client_channel(channel_pair.PassClientHandle());
- MojoHandle client_mp = client_channel.bootstrap_message_pipe();
- EXPECT_NE(client_mp, MOJO_HANDLE_INVALID);
-
- MojoHandle h0, h1;
- EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &h0, &h1));
-
- // Write a message to |h0| (attaching nothing).
- const char kHello[] = "hello";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(h0, kHello, static_cast<uint32_t>(sizeof(kHello)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Write one message to |server_mp|, attaching |h1|.
- const char kWorld[] = "world!!!";
- EXPECT_EQ(
- MOJO_RESULT_OK,
- MojoWriteMessage(server_mp, kWorld, static_cast<uint32_t>(sizeof(kWorld)),
- &h1, 1, MOJO_WRITE_MESSAGE_FLAG_NONE));
- h1 = MOJO_HANDLE_INVALID;
-
- // Write another message to |h0|.
- const char kFoo[] = "foo";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(h0, kFoo, static_cast<uint32_t>(sizeof(kFoo)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Wait for |client_mp| to become readable.
- MojoHandleSignalsState state;
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- // Read a message from |client_mp|.
- char buffer[1000] = {};
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- MojoHandle handles[10] = {};
- uint32_t num_handles = MOJO_ARRAYSIZE(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(client_mp, buffer, &num_bytes, handles,
- &num_handles, MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(sizeof(kWorld), num_bytes);
- EXPECT_STREQ(kWorld, buffer);
- EXPECT_EQ(1u, num_handles);
- EXPECT_NE(handles[0], MOJO_HANDLE_INVALID);
- h1 = handles[0];
-
- // Wait for |h1| to become readable.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- // Read a message from |h1|.
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- memset(handles, 0, sizeof(handles));
- num_handles = MOJO_ARRAYSIZE(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(h1, buffer, &num_bytes, handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(sizeof(kHello), num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(0u, num_handles);
-
- // Wait for |h1| to become readable (again).
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- // Read the second message from |h1|.
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(h1, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(sizeof(kFoo), num_bytes);
- EXPECT_STREQ(kFoo, buffer);
-
- // Write a message to |h1|.
- const char kBarBaz[] = "barbaz";
- EXPECT_EQ(
- MOJO_RESULT_OK,
- MojoWriteMessage(h1, kBarBaz, static_cast<uint32_t>(sizeof(kBarBaz)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Wait for |h0| to become readable.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h0, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- // Read a message from |h0|.
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(h0, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(sizeof(kBarBaz), num_bytes);
- EXPECT_STREQ(kBarBaz, buffer);
-
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp));
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp));
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0));
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1));
-
- server_channel.WaitForChannelCreationCompletion();
- client_channel.WaitForChannelCreationCompletion();
- EXPECT_TRUE(server_channel.channel_info());
- EXPECT_TRUE(client_channel.channel_info());
-}
-
-#if defined(OS_ANDROID)
-// Android multi-process tests are not executing the new process. This is flaky.
-// TODO(vtl): I'm guessing this is true of this test too?
-#define MAYBE_MultiprocessMasterSlave DISABLED_MultiprocessMasterSlave
-#else
-#define MAYBE_MultiprocessMasterSlave MultiprocessMasterSlave
-#endif // defined(OS_ANDROID)
-TEST_F(EmbedderTest, MAYBE_MultiprocessMasterSlave) {
- mojo::test::ScopedMasterIPCSupport ipc_support(test_io_task_runner());
-
- mojo::test::MultiprocessTestHelper multiprocess_test_helper;
- std::string connection_id;
- base::WaitableEvent event(true, false);
- ChannelInfo* channel_info = nullptr;
- ScopedMessagePipeHandle mp = ConnectToSlave(
- nullptr, std::move(multiprocess_test_helper.server_platform_handle),
- base::Bind(&base::WaitableEvent::Signal, base::Unretained(&event)),
- nullptr, &connection_id, &channel_info);
- ASSERT_TRUE(mp.is_valid());
- EXPECT_TRUE(channel_info);
- ASSERT_FALSE(connection_id.empty());
-
- multiprocess_test_helper.StartChildWithExtraSwitch(
- "MultiprocessMasterSlave", kConnectionIdFlag, connection_id);
-
- // Send a message saying "hello".
- EXPECT_EQ(MOJO_RESULT_OK, WriteMessageRaw(mp.get(), "hello", 5, nullptr, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Wait for a response.
- EXPECT_EQ(MOJO_RESULT_OK,
- Wait(mp.get(), MOJO_HANDLE_SIGNAL_READABLE,
- mojo::system::test::ActionDeadline(), nullptr));
-
- // The response message should say "world".
- char buffer[100];
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- ReadMessageRaw(mp.get(), buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(5u, num_bytes);
- EXPECT_EQ(0, memcmp(buffer, "world", 5));
-
- mp.reset();
-
- EXPECT_TRUE(multiprocess_test_helper.WaitForChildTestShutdown());
-
- EXPECT_TRUE(event.TimedWait(TestTimeouts::action_timeout()));
- test_io_thread().PostTaskAndWait(
- FROM_HERE,
- base::Bind(&DestroyChannelOnIOThread, base::Unretained(channel_info)));
-}
-
-TEST_F(EmbedderTest, ChannelShutdownRace_MessagePipeClose) {
- const size_t kIterations = 1000;
- mojo::test::ScopedIPCSupport ipc_support(test_io_task_runner());
-
- for (size_t i = 0; i < kIterations; i++) {
- PlatformChannelPair channel_pair;
- scoped_ptr<ScopedTestChannel> server_channel(
- new ScopedTestChannel(channel_pair.PassServerHandle()));
- server_channel->WaitForChannelCreationCompletion();
- server_channel->NoWaitOnShutdown();
-
- MojoHandle server_mp = server_channel->bootstrap_message_pipe();
- EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
-
- // Race between channel shutdown and closing a message pipe. The message
- // pipe doesn't have to be the bootstrap pipe. It just has to be bound to
- // the channel.
- server_channel.reset();
- MojoClose(server_mp);
- }
-}
-
-TEST_F(EmbedderTest, ChannelShutdownRace_MessagePipePassing) {
- const size_t kIterations = 1000;
- mojo::test::ScopedIPCSupport ipc_support(test_io_task_runner());
-
- for (size_t i = 0; i < kIterations; i++) {
- PlatformChannelPair channel_pair;
- scoped_ptr<ScopedTestChannel> server_channel(
- new ScopedTestChannel(channel_pair.PassServerHandle()));
- server_channel->WaitForChannelCreationCompletion();
- server_channel->NoWaitOnShutdown();
-
- MojoHandle server_mp = server_channel->bootstrap_message_pipe();
- EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
-
- MessagePipe test_pipe;
- MojoHandle passing_handle = test_pipe.handle0.release().value();
-
- // Race between channel shutdown and passing a message pipe.
- server_channel.reset();
- MojoWriteMessage(server_mp, nullptr, 0, &passing_handle, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE);
- MojoClose(server_mp);
- MojoClose(passing_handle);
- }
-}
-
-MOJO_MULTIPROCESS_TEST_CHILD_TEST(MultiprocessMasterSlave) {
- base::MessageLoop message_loop;
- ScopedPlatformHandle client_platform_handle =
- std::move(mojo::test::MultiprocessTestHelper::client_platform_handle);
- EXPECT_TRUE(client_platform_handle.is_valid());
-
- base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart);
- Init();
-
- {
- mojo::test::ScopedSlaveIPCSupport ipc_support(
- test_io_thread.task_runner(), std::move(client_platform_handle));
-
- const base::CommandLine& command_line =
- *base::CommandLine::ForCurrentProcess();
- ASSERT_TRUE(command_line.HasSwitch(kConnectionIdFlag));
- std::string connection_id =
- command_line.GetSwitchValueASCII(kConnectionIdFlag);
- ASSERT_FALSE(connection_id.empty());
- base::WaitableEvent event(true, false);
- ChannelInfo* channel_info = nullptr;
- ScopedMessagePipeHandle mp = ConnectToMaster(
- connection_id,
- base::Bind(&base::WaitableEvent::Signal, base::Unretained(&event)),
- nullptr, &channel_info);
- ASSERT_TRUE(mp.is_valid());
- EXPECT_TRUE(channel_info);
-
- // Wait for the master to send us a message.
- EXPECT_EQ(MOJO_RESULT_OK,
- Wait(mp.get(), MOJO_HANDLE_SIGNAL_READABLE,
- mojo::system::test::ActionDeadline(), nullptr));
-
- // It should say "hello".
- char buffer[100];
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- ReadMessageRaw(mp.get(), buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(5u, num_bytes);
- EXPECT_EQ(0, memcmp(buffer, "hello", 5));
-
- // In response send a message saying "world".
- EXPECT_EQ(MOJO_RESULT_OK, WriteMessageRaw(mp.get(), "world", 5, nullptr, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- mp.reset();
-
- EXPECT_TRUE(event.TimedWait(TestTimeouts::action_timeout()));
- test_io_thread.PostTaskAndWait(
- FROM_HERE,
- base::Bind(&DestroyChannelOnIOThread, base::Unretained(channel_info)));
- }
-
- EXPECT_TRUE(test::Shutdown());
-}
-
-// The sequence of messages sent is:
-// server_mp client_mp mp0 mp1 mp2 mp3
-// 1. "hello"
-// 2. "world!"
-// 3. "FOO"
-// 4. "Bar"+mp1
-// 5. (close)
-// 6. (close)
-// 7. "baz"
-// 8. (closed)
-// 9. "quux"+mp2
-// 10. (close)
-// 11. (wait/cl.)
-// 12. (wait/cl.)
-
-#if defined(OS_ANDROID)
-// Android multi-process tests are not executing the new process. This is flaky.
-#define MAYBE_MultiprocessChannels DISABLED_MultiprocessChannels
-#else
-#define MAYBE_MultiprocessChannels MultiprocessChannels
-#endif // defined(OS_ANDROID)
-TEST_F(EmbedderTest, MAYBE_MultiprocessChannels) {
- // TODO(vtl): This should eventually initialize a master process instead,
- // probably.
- mojo::test::ScopedIPCSupport ipc_support(test_io_task_runner());
-
- mojo::test::MultiprocessTestHelper multiprocess_test_helper;
- multiprocess_test_helper.StartChild("MultiprocessChannelsClient");
-
- {
- ScopedTestChannel server_channel(
- std::move(multiprocess_test_helper.server_platform_handle));
- MojoHandle server_mp = server_channel.bootstrap_message_pipe();
- EXPECT_NE(server_mp, MOJO_HANDLE_INVALID);
- server_channel.WaitForChannelCreationCompletion();
- EXPECT_TRUE(server_channel.channel_info());
-
- // 1. Write a message to |server_mp| (attaching nothing).
- const char kHello[] = "hello";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(server_mp, kHello,
- static_cast<uint32_t>(sizeof(kHello)), nullptr,
- 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // TODO(vtl): If the scope were ended immediately here (maybe after closing
- // |server_mp|), we die with a fatal error in |Channel::HandleLocalError()|.
-
- // 2. Read a message from |server_mp|.
- MojoHandleSignalsState state;
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(server_mp, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- char buffer[1000] = {};
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(server_mp, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kWorld[] = "world!";
- EXPECT_EQ(sizeof(kWorld), num_bytes);
- EXPECT_STREQ(kWorld, buffer);
-
- // Create a new message pipe (endpoints |mp0| and |mp1|).
- MojoHandle mp0, mp1;
- EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp0, &mp1));
-
- // 3. Write something to |mp0|.
- const char kFoo[] = "FOO";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(mp0, kFoo, static_cast<uint32_t>(sizeof(kFoo)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // 4. Write a message to |server_mp|, attaching |mp1|.
- const char kBar[] = "Bar";
- EXPECT_EQ(
- MOJO_RESULT_OK,
- MojoWriteMessage(server_mp, kBar, static_cast<uint32_t>(sizeof(kBar)),
- &mp1, 1, MOJO_WRITE_MESSAGE_FLAG_NONE));
- mp1 = MOJO_HANDLE_INVALID;
-
- // 5. Close |server_mp|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp));
-
- // 9. Read a message from |mp0|, which should have |mp2| attached.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp0, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- MojoHandle mp2 = MOJO_HANDLE_INVALID;
- uint32_t num_handles = 1;
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(mp0, buffer, &num_bytes, &mp2, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kQuux[] = "quux";
- EXPECT_EQ(sizeof(kQuux), num_bytes);
- EXPECT_STREQ(kQuux, buffer);
- EXPECT_EQ(1u, num_handles);
- EXPECT_NE(mp2, MOJO_HANDLE_INVALID);
-
- // 7. Read a message from |mp2|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED,
- state.satisfied_signals);
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED,
- state.satisfiable_signals);
-
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(mp2, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kBaz[] = "baz";
- EXPECT_EQ(sizeof(kBaz), num_bytes);
- EXPECT_STREQ(kBaz, buffer);
-
- // 10. Close |mp0|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp0));
-
-// 12. Wait on |mp2| (which should eventually fail) and then close it.
-// TODO(vtl): crbug.com/351768
-#if 0
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE,
- &state));
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_NONE, state.satisfied_signals);
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_NONE, state.satisfiable_signals);
-#endif
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp2));
- }
-
- EXPECT_TRUE(multiprocess_test_helper.WaitForChildTestShutdown());
-}
-
-MOJO_MULTIPROCESS_TEST_CHILD_TEST(MultiprocessChannelsClient) {
- base::MessageLoop message_loop;
- ScopedPlatformHandle client_platform_handle =
- std::move(mojo::test::MultiprocessTestHelper::client_platform_handle);
- EXPECT_TRUE(client_platform_handle.is_valid());
-
- base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart);
- Init();
-
- {
- // TODO(vtl): This should eventually initialize a slave process instead,
- // probably.
- mojo::test::ScopedIPCSupport ipc_support(test_io_thread.task_runner());
-
- ScopedTestChannel client_channel(std::move(client_platform_handle));
- MojoHandle client_mp = client_channel.bootstrap_message_pipe();
- EXPECT_NE(client_mp, MOJO_HANDLE_INVALID);
- client_channel.WaitForChannelCreationCompletion();
- CHECK(client_channel.channel_info() != nullptr);
-
- // 1. Read the first message from |client_mp|.
- MojoHandleSignalsState state;
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- char buffer[1000] = {};
- uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(client_mp, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kHello[] = "hello";
- EXPECT_EQ(sizeof(kHello), num_bytes);
- EXPECT_STREQ(kHello, buffer);
-
- // 2. Write a message to |client_mp| (attaching nothing).
- const char kWorld[] = "world!";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(client_mp, kWorld,
- static_cast<uint32_t>(sizeof(kWorld)), nullptr,
- 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // 4. Read a message from |client_mp|, which should have |mp1| attached.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- // The other end of the handle may or may not be closed at this point, so we
- // can't test MOJO_HANDLE_SIGNAL_WRITABLE or MOJO_HANDLE_SIGNAL_PEER_CLOSED.
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE,
- state.satisfied_signals & MOJO_HANDLE_SIGNAL_READABLE);
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE,
- state.satisfiable_signals & MOJO_HANDLE_SIGNAL_READABLE);
- // TODO(vtl): If the scope were to end here (and |client_mp| closed), we'd
- // die (again due to |Channel::HandleLocalError()|).
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- MojoHandle mp1 = MOJO_HANDLE_INVALID;
- uint32_t num_handles = 1;
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(client_mp, buffer, &num_bytes, &mp1, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kBar[] = "Bar";
- EXPECT_EQ(sizeof(kBar), num_bytes);
- EXPECT_STREQ(kBar, buffer);
- EXPECT_EQ(1u, num_handles);
- EXPECT_NE(mp1, MOJO_HANDLE_INVALID);
- // TODO(vtl): If the scope were to end here (and the two handles closed),
- // we'd die due to |Channel::RunRemoteMessagePipeEndpoint()| not handling
- // write errors (assuming the parent had closed the pipe).
-
- // 6. Close |client_mp|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp));
-
- // Create a new message pipe (endpoints |mp2| and |mp3|).
- MojoHandle mp2, mp3;
- EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp2, &mp3));
-
- // 7. Write a message to |mp3|.
- const char kBaz[] = "baz";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(mp3, kBaz, static_cast<uint32_t>(sizeof(kBaz)),
- nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // 8. Close |mp3|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp3));
-
- // 9. Write a message to |mp1|, attaching |mp2|.
- const char kQuux[] = "quux";
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoWriteMessage(mp1, kQuux, static_cast<uint32_t>(sizeof(kQuux)),
- &mp2, 1, MOJO_WRITE_MESSAGE_FLAG_NONE));
- mp2 = MOJO_HANDLE_INVALID;
-
- // 3. Read a message from |mp1|.
- EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals);
- EXPECT_EQ(kSignalAll, state.satisfiable_signals);
-
- memset(buffer, 0, sizeof(buffer));
- num_bytes = static_cast<uint32_t>(sizeof(buffer));
- EXPECT_EQ(MOJO_RESULT_OK,
- MojoReadMessage(mp1, buffer, &num_bytes, nullptr, nullptr,
- MOJO_READ_MESSAGE_FLAG_NONE));
- const char kFoo[] = "FOO";
- EXPECT_EQ(sizeof(kFoo), num_bytes);
- EXPECT_STREQ(kFoo, buffer);
-
- // 11. Wait on |mp1| (which should eventually fail) and then close it.
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE,
- MOJO_DEADLINE_INDEFINITE, &state));
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfied_signals);
- EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfiable_signals);
- EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp1));
- }
-
- EXPECT_TRUE(test::Shutdown());
-}
-
-// TODO(vtl): Test immediate write & close.
-// TODO(vtl): Test broken-connection cases.
-
-} // namespace
-} // namespace embedder
-} // namespace mojo
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