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Unified Diff: mojo/system/core_impl_unittest.cc

Issue 231353002: Make mojo_system static and mojo_system_impl a component, never use both (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix the mac loader path dependencies Created 6 years, 8 months ago
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Index: mojo/system/core_impl_unittest.cc
diff --git a/mojo/system/core_impl_unittest.cc b/mojo/system/core_impl_unittest.cc
deleted file mode 100644
index 93dc8603cbf9832d9081b2b06bfabcaf05d3bae5..0000000000000000000000000000000000000000
--- a/mojo/system/core_impl_unittest.cc
+++ /dev/null
@@ -1,881 +0,0 @@
-// Copyright 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 "mojo/system/core_impl.h"
-
-#include <limits>
-
-#include "base/basictypes.h"
-#include "base/threading/platform_thread.h"
-#include "base/time/time.h"
-#include "mojo/system/core_test_base.h"
-
-namespace mojo {
-namespace system {
-namespace {
-
-typedef test::CoreTestBase CoreImplTest;
-
-TEST_F(CoreImplTest, GetTimeTicksNow) {
- const MojoTimeTicks start = core()->GetTimeTicksNow();
- EXPECT_NE(static_cast<MojoTimeTicks>(0), start)
- << "GetTimeTicksNow should return nonzero value";
- base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(15));
- const MojoTimeTicks finish = core()->GetTimeTicksNow();
- // Allow for some fuzz in sleep.
- EXPECT_GE((finish - start), static_cast<MojoTimeTicks>(8000))
- << "Sleeping should result in increasing time ticks";
-}
-
-TEST_F(CoreImplTest, Basic) {
- MockHandleInfo info;
-
- EXPECT_EQ(0u, info.GetCtorCallCount());
- MojoHandle h = CreateMockHandle(&info);
- EXPECT_EQ(1u, info.GetCtorCallCount());
- EXPECT_NE(h, MOJO_HANDLE_INVALID);
-
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h, NULL, 0, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteMessageCallCount());
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h, NULL, 1, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(2u, info.GetWriteMessageCallCount());
-
- EXPECT_EQ(0u, info.GetReadMessageCallCount());
- uint32_t num_bytes = 0;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h, NULL, &num_bytes, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetReadMessageCallCount());
- num_bytes = 1;
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->ReadMessage(h, NULL, &num_bytes, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(2u, info.GetReadMessageCallCount());
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h, NULL, NULL, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(3u, info.GetReadMessageCallCount());
-
- EXPECT_EQ(0u, info.GetWriteDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->WriteData(h, NULL, NULL, MOJO_WRITE_DATA_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteDataCallCount());
-
- EXPECT_EQ(0u, info.GetBeginWriteDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->BeginWriteData(h, NULL, NULL, MOJO_WRITE_DATA_FLAG_NONE));
- EXPECT_EQ(1u, info.GetBeginWriteDataCallCount());
-
- EXPECT_EQ(0u, info.GetEndWriteDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->EndWriteData(h, 0));
- EXPECT_EQ(1u, info.GetEndWriteDataCallCount());
-
- EXPECT_EQ(0u, info.GetReadDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->ReadData(h, NULL, NULL, MOJO_READ_DATA_FLAG_NONE));
- EXPECT_EQ(1u, info.GetReadDataCallCount());
-
- EXPECT_EQ(0u, info.GetBeginReadDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->BeginReadData(h, NULL, NULL, MOJO_READ_DATA_FLAG_NONE));
- EXPECT_EQ(1u, info.GetBeginReadDataCallCount());
-
- EXPECT_EQ(0u, info.GetEndReadDataCallCount());
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->EndReadData(h, 0));
- EXPECT_EQ(1u, info.GetEndReadDataCallCount());
-
- EXPECT_EQ(0u, info.GetAddWaiterCallCount());
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(h, MOJO_WAIT_FLAG_EVERYTHING,
- MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(1u, info.GetAddWaiterCallCount());
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(h, MOJO_WAIT_FLAG_EVERYTHING, 0));
- EXPECT_EQ(2u, info.GetAddWaiterCallCount());
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(h, MOJO_WAIT_FLAG_EVERYTHING, 10 * 1000));
- EXPECT_EQ(3u, info.GetAddWaiterCallCount());
- MojoWaitFlags wait_flags = MOJO_WAIT_FLAG_EVERYTHING;
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->WaitMany(&h, &wait_flags, 1, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(4u, info.GetAddWaiterCallCount());
-
- EXPECT_EQ(0u, info.GetDtorCallCount());
- EXPECT_EQ(0u, info.GetCloseCallCount());
- EXPECT_EQ(0u, info.GetCancelAllWaitersCallCount());
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h));
- EXPECT_EQ(1u, info.GetCancelAllWaitersCallCount());
- EXPECT_EQ(1u, info.GetCloseCallCount());
- EXPECT_EQ(1u, info.GetDtorCallCount());
-
- // No waiters should ever have ever been added.
- EXPECT_EQ(0u, info.GetRemoveWaiterCallCount());
-}
-
-TEST_F(CoreImplTest, InvalidArguments) {
- // |Close()|:
- {
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(MOJO_HANDLE_INVALID));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(10));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(1000000000));
-
- // Test a double-close.
- MockHandleInfo info;
- MojoHandle h = CreateMockHandle(&info);
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h));
- EXPECT_EQ(1u, info.GetCloseCallCount());
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h));
- EXPECT_EQ(1u, info.GetCloseCallCount());
- }
-
- // |Wait()|:
- {
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->Wait(MOJO_HANDLE_INVALID, MOJO_WAIT_FLAG_EVERYTHING,
- MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->Wait(10, MOJO_WAIT_FLAG_EVERYTHING,
- MOJO_DEADLINE_INDEFINITE));
- }
-
- // |WaitMany()|:
- {
- MojoHandle handles[2] = { MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID };
- MojoWaitFlags flags[2] = { MOJO_WAIT_FLAG_EVERYTHING,
- MOJO_WAIT_FLAG_EVERYTHING };
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, flags, 0, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(NULL, flags, 0, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, NULL, 0, MOJO_DEADLINE_INDEFINITE));
-
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(NULL, flags, 1, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, NULL, 1, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, flags, 1, MOJO_DEADLINE_INDEFINITE));
-
- MockHandleInfo info[2];
- handles[0] = CreateMockHandle(&info[0]);
-
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->WaitMany(handles, flags, 1, MOJO_DEADLINE_INDEFINITE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, flags, 2, MOJO_DEADLINE_INDEFINITE));
- handles[1] = handles[0] + 1; // Invalid handle.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WaitMany(handles, flags, 2, MOJO_DEADLINE_INDEFINITE));
- handles[1] = CreateMockHandle(&info[1]);
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->WaitMany(handles, flags, 2, MOJO_DEADLINE_INDEFINITE));
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[0]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[1]));
- }
-
- // |CreateMessagePipe()|:
- {
- MojoHandle h;
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->CreateMessagePipe(NULL, NULL));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->CreateMessagePipe(&h, NULL));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->CreateMessagePipe(NULL, &h));
- }
-
- // |WriteMessage()|:
- // Only check arguments checked by |CoreImpl|, namely |handle|, |handles|, and
- // |num_handles|.
- {
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(MOJO_HANDLE_INVALID, NULL, 0, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- MockHandleInfo info;
- MojoHandle h = CreateMockHandle(&info);
- MojoHandle handles[2] = { MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID };
-
- // Null |handles| with nonzero |num_handles|.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h, NULL, 0, NULL, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- // Checked by |CoreImpl|, shouldn't go through to the dispatcher.
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- // Huge handle count (implausibly big on some systems -- more than can be
- // stored in a 32-bit address space).
- // Note: This may return either |MOJO_RESULT_INVALID_ARGUMENT| or
- // |MOJO_RESULT_RESOURCE_EXHAUSTED|, depending on whether it's plausible or
- // not.
- EXPECT_NE(MOJO_RESULT_OK,
- core()->WriteMessage(h, NULL, 0, handles,
- std::numeric_limits<uint32_t>::max(),
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- // Huge handle count (plausibly big).
- EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED,
- core()->WriteMessage(h, NULL, 0, handles,
- std::numeric_limits<uint32_t>::max() /
- sizeof(handles[0]),
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- // Invalid handle in |handles|.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h, NULL, 0, handles, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- // Two invalid handles in |handles|.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h, NULL, 0, handles, 2,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- // Can't send a handle over itself.
- handles[0] = h;
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h, NULL, 0, handles, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(0u, info.GetWriteMessageCallCount());
-
- MockHandleInfo info2;
- MojoHandle h2 = CreateMockHandle(&info2);
-
- // This is "okay", but |MockDispatcher| doesn't implement it.
- handles[0] = h2;
- EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED,
- core()->WriteMessage(h, NULL, 0, handles, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteMessageCallCount());
-
- // One of the |handles| is still invalid.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h, NULL, 0, handles, 2,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteMessageCallCount());
-
- // One of the |handles| is the same as |handle|.
- handles[1] = h;
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h, NULL, 0, handles, 2,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteMessageCallCount());
-
- // Can't send a handle twice in the same message.
- handles[1] = h2;
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h, NULL, 0, handles, 2,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, info.GetWriteMessageCallCount());
-
- // Note: Since we never successfully sent anything with it, |h2| should
- // still be valid.
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h2));
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h));
- }
-
- // |ReadMessage()|:
- // Only check arguments checked by |CoreImpl|, namely |handle|, |handles|, and
- // |num_handles|.
- {
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->ReadMessage(MOJO_HANDLE_INVALID, NULL, NULL, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
-
- MockHandleInfo info;
- MojoHandle h = CreateMockHandle(&info);
-
- uint32_t handle_count = 1;
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->ReadMessage(h, NULL, NULL, NULL, &handle_count,
- MOJO_READ_MESSAGE_FLAG_NONE));
- // Checked by |CoreImpl|, shouldn't go through to the dispatcher.
- EXPECT_EQ(0u, info.GetReadMessageCallCount());
-
- // Okay.
- handle_count = 0;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h, NULL, NULL, NULL, &handle_count,
- MOJO_READ_MESSAGE_FLAG_NONE));
- // Checked by |CoreImpl|, shouldn't go through to the dispatcher.
- EXPECT_EQ(1u, info.GetReadMessageCallCount());
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h));
- }
-}
-
-// TODO(vtl): test |Wait()| and |WaitMany()| properly
-// - including |WaitMany()| with the same handle more than once (with
-// same/different flags)
-
-TEST_F(CoreImplTest, MessagePipe) {
- MojoHandle h[2];
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->CreateMessagePipe(&h[0], &h[1]));
- // Should get two distinct, valid handles.
- EXPECT_NE(h[0], MOJO_HANDLE_INVALID);
- EXPECT_NE(h[1], MOJO_HANDLE_INVALID);
- EXPECT_NE(h[0], h[1]);
-
- // Neither should be readable.
- MojoWaitFlags flags[2] = { MOJO_WAIT_FLAG_READABLE, MOJO_WAIT_FLAG_READABLE };
- EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
- core()->WaitMany(h, flags, 2, 0));
-
- // Try to read anyway.
- char buffer[1] = { 'a' };
- uint32_t buffer_size = 1;
- EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT,
- core()->ReadMessage(h[0], buffer, &buffer_size, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- // Check that it left its inputs alone.
- EXPECT_EQ('a', buffer[0]);
- EXPECT_EQ(1u, buffer_size);
-
- // Both should be writable.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h[0], MOJO_WAIT_FLAG_WRITABLE, 1000000000));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h[1], MOJO_WAIT_FLAG_WRITABLE, 1000000000));
-
- // Also check that |h[1]| is writable using |WaitMany()|.
- flags[0] = MOJO_WAIT_FLAG_READABLE;
- flags[1] = MOJO_WAIT_FLAG_WRITABLE;
- EXPECT_EQ(1, core()->WaitMany(h, flags, 2, MOJO_DEADLINE_INDEFINITE));
-
- // Write to |h[1]|.
- buffer[0] = 'b';
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h[1], buffer, 1, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Check that |h[0]| is now readable.
- flags[0] = MOJO_WAIT_FLAG_READABLE;
- flags[1] = MOJO_WAIT_FLAG_READABLE;
- EXPECT_EQ(0, core()->WaitMany(h, flags, 2, MOJO_DEADLINE_INDEFINITE));
-
- // Read from |h[0]|.
- // First, get only the size.
- buffer_size = 0;
- EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED,
- core()->ReadMessage(h[0], NULL, &buffer_size, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(1u, buffer_size);
- // Then actually read it.
- buffer[0] = 'c';
- buffer_size = 1;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h[0], buffer, &buffer_size, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ('b', buffer[0]);
- EXPECT_EQ(1u, buffer_size);
-
- // |h[0]| should no longer be readable.
- EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
- core()->Wait(h[0], MOJO_WAIT_FLAG_READABLE, 0));
-
- // Write to |h[0]|.
- buffer[0] = 'd';
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h[0], buffer, 1, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // Close |h[0]|.
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[0]));
-
- // Check that |h[1]| is no longer writable (and will never be).
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(h[1], MOJO_WAIT_FLAG_WRITABLE, 1000000000));
-
- // Check that |h[1]| is still readable (for the moment).
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
-
- // Discard a message from |h[1]|.
- EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED,
- core()->ReadMessage(h[1], NULL, NULL, NULL, NULL,
- MOJO_READ_MESSAGE_FLAG_MAY_DISCARD));
-
- // |h[1]| is no longer readable (and will never be).
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(h[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
-
- // Try writing to |h[1]|.
- buffer[0] = 'e';
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->WriteMessage(h[1], buffer, 1, NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[1]));
-}
-
-// Tests passing a message pipe handle.
-TEST_F(CoreImplTest, MessagePipeBasicLocalHandlePassing1) {
- const char kHello[] = "hello";
- const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello));
- const char kWorld[] = "world!!!";
- const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld));
- char buffer[100];
- const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer));
- uint32_t num_bytes;
- MojoHandle handles[10];
- uint32_t num_handles;
- MojoHandle h_received;
-
- MojoHandle h_passing[2];
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->CreateMessagePipe(&h_passing[0], &h_passing[1]));
-
- // Make sure that |h_passing[]| work properly.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(0u, num_handles);
-
- // Make sure that you can't pass either of the message pipe's handles over
- // itself.
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &h_passing[0], 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &h_passing[1], 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- MojoHandle h_passed[2];
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->CreateMessagePipe(&h_passed[0], &h_passed[1]));
-
- // Make sure that |h_passed[]| work properly.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passed[0],
- kHello, kHelloSize,
- NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passed[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passed[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(0u, num_handles);
-
- // Send |h_passed[1]| from |h_passing[0]| to |h_passing[1]|.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kWorld, kWorldSize,
- &h_passed[1], 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kWorldSize, num_bytes);
- EXPECT_STREQ(kWorld, buffer);
- EXPECT_EQ(1u, num_handles);
- h_received = handles[0];
- EXPECT_NE(h_received, MOJO_HANDLE_INVALID);
- EXPECT_NE(h_received, h_passing[0]);
- EXPECT_NE(h_received, h_passing[1]);
- EXPECT_NE(h_received, h_passed[0]);
-
- // Note: We rely on the Mojo system not re-using handle values very often.
- EXPECT_NE(h_received, h_passed[1]);
-
- // |h_passed[1]| should no longer be valid; check that trying to close it
- // fails. See above note.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h_passed[1]));
-
- // Write to |h_passed[0]|. Should receive on |h_received|.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passed[0],
- kHello, kHelloSize,
- NULL, 0,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_received, MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_received,
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(0u, num_handles);
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passed[0]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_received));
-}
-
-TEST_F(CoreImplTest, DataPipe) {
- MojoHandle ph, ch; // p is for producer and c is for consumer.
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->CreateDataPipe(NULL, &ph, &ch));
- // Should get two distinct, valid handles.
- EXPECT_NE(ph, MOJO_HANDLE_INVALID);
- EXPECT_NE(ch, MOJO_HANDLE_INVALID);
- EXPECT_NE(ph, ch);
-
- // Producer should be never-readable, but already writable.
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(ph, MOJO_WAIT_FLAG_READABLE, 0));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(ph, MOJO_WAIT_FLAG_WRITABLE, 0));
-
- // Consumer should be never-writable, and not yet readable.
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(ch, MOJO_WAIT_FLAG_WRITABLE, 0));
- EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
- core()->Wait(ch, MOJO_WAIT_FLAG_READABLE, 0));
-
- // Write.
- char elements[2] = { 'A', 'B' };
- uint32_t num_bytes = 2u;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteData(ph, elements, &num_bytes,
- MOJO_WRITE_DATA_FLAG_NONE));
- EXPECT_EQ(2u, num_bytes);
-
- // Consumer should now be readable.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(ch, MOJO_WAIT_FLAG_READABLE, 0));
-
- // Read one character.
- elements[0] = -1;
- elements[1] = -1;
- num_bytes = 1u;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadData(ch, elements, &num_bytes,
- MOJO_READ_DATA_FLAG_NONE));
- EXPECT_EQ('A', elements[0]);
- EXPECT_EQ(-1, elements[1]);
-
- // Two-phase write.
- void* write_ptr = NULL;
- num_bytes = 0u;
- ASSERT_EQ(MOJO_RESULT_OK,
- core()->BeginWriteData(ph, &write_ptr, &num_bytes,
- MOJO_WRITE_DATA_FLAG_NONE));
- // We count on the default options providing a decent buffer size.
- ASSERT_GE(num_bytes, 3u);
-
- // Trying to do a normal write during a two-phase write should fail.
- elements[0] = 'X';
- num_bytes = 1u;
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteData(ph, elements, &num_bytes,
- MOJO_WRITE_DATA_FLAG_NONE));
-
- // Actually write the data, and complete it now.
- static_cast<char*>(write_ptr)[0] = 'C';
- static_cast<char*>(write_ptr)[1] = 'D';
- static_cast<char*>(write_ptr)[2] = 'E';
- EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 3u));
-
- // Query how much data we have.
- num_bytes = 0;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadData(ch, NULL, &num_bytes, MOJO_READ_DATA_FLAG_QUERY));
- EXPECT_EQ(4u, num_bytes);
-
- // Try to discard ten characters, in all-or-none mode. Should fail.
- num_bytes = 10;
- EXPECT_EQ(MOJO_RESULT_OUT_OF_RANGE,
- core()->ReadData(ch, NULL, &num_bytes,
- MOJO_READ_DATA_FLAG_DISCARD |
- MOJO_READ_DATA_FLAG_ALL_OR_NONE));
-
- // Discard two characters.
- num_bytes = 2;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadData(ch, NULL, &num_bytes,
- MOJO_READ_DATA_FLAG_DISCARD |
- MOJO_READ_DATA_FLAG_ALL_OR_NONE));
-
- // Read the remaining two characters, in two-phase mode (all-or-none).
- const void* read_ptr = NULL;
- num_bytes = 2;
- ASSERT_EQ(MOJO_RESULT_OK,
- core()->BeginReadData(ch, &read_ptr, &num_bytes,
- MOJO_READ_DATA_FLAG_ALL_OR_NONE));
- // Note: Count on still being able to do the contiguous read here.
- ASSERT_EQ(2u, num_bytes);
-
- // Discarding right now should fail.
- num_bytes = 1;
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->ReadData(ch, NULL, &num_bytes,
- MOJO_READ_DATA_FLAG_DISCARD));
-
- // Actually check our data and end the two-phase read.
- EXPECT_EQ('D', static_cast<const char*>(read_ptr)[0]);
- EXPECT_EQ('E', static_cast<const char*>(read_ptr)[1]);
- EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 2u));
-
- // Consumer should now be no longer readable.
- EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
- core()->Wait(ch, MOJO_WAIT_FLAG_READABLE, 0));
-
- // TODO(vtl): More.
-
- // Close the producer.
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph));
-
- // The consumer should now be never-readable.
- EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION,
- core()->Wait(ch, MOJO_WAIT_FLAG_READABLE, 0));
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch));
-}
-
-// Tests passing data pipe producer and consumer handles.
-TEST_F(CoreImplTest, MessagePipeBasicLocalHandlePassing2) {
- const char kHello[] = "hello";
- const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello));
- const char kWorld[] = "world!!!";
- const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld));
- char buffer[100];
- const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer));
- uint32_t num_bytes;
- MojoHandle handles[10];
- uint32_t num_handles;
-
- MojoHandle h_passing[2];
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->CreateMessagePipe(&h_passing[0], &h_passing[1]));
-
- MojoHandle ph, ch;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->CreateDataPipe(NULL, &ph, &ch));
-
- // Send |ch| from |h_passing[0]| to |h_passing[1]|.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &ch, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(1u, num_handles);
- MojoHandle ch_received = handles[0];
- EXPECT_NE(ch_received, MOJO_HANDLE_INVALID);
- EXPECT_NE(ch_received, h_passing[0]);
- EXPECT_NE(ch_received, h_passing[1]);
- EXPECT_NE(ch_received, ph);
-
- // Note: We rely on the Mojo system not re-using handle values very often.
- EXPECT_NE(ch_received, ch);
-
- // |ch| should no longer be valid; check that trying to close it fails. See
- // above note.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ch));
-
- // Write to |ph|. Should receive on |ch_received|.
- num_bytes = kWorldSize;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteData(ph, kWorld, &num_bytes,
- MOJO_WRITE_DATA_FLAG_ALL_OR_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(ch_received, MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadData(ch_received, buffer, &num_bytes,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kWorldSize, num_bytes);
- EXPECT_STREQ(kWorld, buffer);
-
- // Now pass |ph| in the same direction.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kWorld, kWorldSize,
- &ph, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kWorldSize, num_bytes);
- EXPECT_STREQ(kWorld, buffer);
- EXPECT_EQ(1u, num_handles);
- MojoHandle ph_received = handles[0];
- EXPECT_NE(ph_received, MOJO_HANDLE_INVALID);
- EXPECT_NE(ph_received, h_passing[0]);
- EXPECT_NE(ph_received, h_passing[1]);
- EXPECT_NE(ph_received, ch_received);
-
- // Again, rely on the Mojo system not re-using handle values very often.
- EXPECT_NE(ph_received, ph);
-
- // |ph| should no longer be valid; check that trying to close it fails. See
- // above note.
- EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ph));
-
- // Write to |ph_received|. Should receive on |ch_received|.
- num_bytes = kHelloSize;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteData(ph_received, kHello, &num_bytes,
- MOJO_WRITE_DATA_FLAG_ALL_OR_NONE));
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(ch_received, MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadData(ch_received, buffer, &num_bytes,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
-
- ph = ph_received;
- ph_received = MOJO_HANDLE_INVALID;
- ch = ch_received;
- ch_received = MOJO_HANDLE_INVALID;
-
- // Make sure that |ph| can't be sent if it's in a two-phase write.
- void* write_ptr = NULL;
- num_bytes = 0;
- ASSERT_EQ(MOJO_RESULT_OK,
- core()->BeginWriteData(ph, &write_ptr, &num_bytes,
- MOJO_WRITE_DATA_FLAG_NONE));
- ASSERT_GE(num_bytes, 1u);
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &ph, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // But |ch| can, even if |ph| is in a two-phase write.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &ch, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- ch = MOJO_HANDLE_INVALID;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kHelloSize, num_bytes);
- EXPECT_STREQ(kHello, buffer);
- EXPECT_EQ(1u, num_handles);
- ch = handles[0];
- EXPECT_NE(ch, MOJO_HANDLE_INVALID);
-
- // Complete the two-phase write.
- static_cast<char*>(write_ptr)[0] = 'x';
- EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 1));
-
- // Wait for |ch| to be readable.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(ch, MOJO_WAIT_FLAG_READABLE, 1000000000));
-
- // Make sure that |ch| can't be sent if it's in a two-phase read.
- const void* read_ptr = NULL;
- num_bytes = 1;
- ASSERT_EQ(MOJO_RESULT_OK,
- core()->BeginReadData(ch, &read_ptr, &num_bytes,
- MOJO_READ_DATA_FLAG_ALL_OR_NONE));
- EXPECT_EQ(MOJO_RESULT_BUSY,
- core()->WriteMessage(h_passing[0],
- kHello, kHelloSize,
- &ch, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
-
- // But |ph| can, even if |ch| is in a two-phase read.
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->WriteMessage(h_passing[0],
- kWorld, kWorldSize,
- &ph, 1,
- MOJO_WRITE_MESSAGE_FLAG_NONE));
- ph = MOJO_HANDLE_INVALID;
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->Wait(h_passing[1], MOJO_WAIT_FLAG_READABLE, 1000000000));
- num_bytes = kBufferSize;
- num_handles = arraysize(handles);
- EXPECT_EQ(MOJO_RESULT_OK,
- core()->ReadMessage(h_passing[1],
- buffer, &num_bytes,
- handles, &num_handles,
- MOJO_READ_MESSAGE_FLAG_NONE));
- EXPECT_EQ(kWorldSize, num_bytes);
- EXPECT_STREQ(kWorld, buffer);
- EXPECT_EQ(1u, num_handles);
- ph = handles[0];
- EXPECT_NE(ph, MOJO_HANDLE_INVALID);
-
- // Complete the two-phase read.
- EXPECT_EQ('x', static_cast<const char*>(read_ptr)[0]);
- EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 1));
-
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1]));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph));
- EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch));
-}
-
-// TODO(vtl): Test |DuplicateBufferHandle()| and |MapBuffer()|.
-
-} // namespace
-} // namespace system
-} // namespace mojo
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