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mojo/public/c/tests/system/message_pipe_unittest.cc

Index: mojo/public/c/tests/system/message_pipe_unittest.cc
diff --git a/mojo/public/c/tests/system/message_pipe_unittest.cc b/mojo/public/c/tests/system/message_pipe_unittest.cc
deleted file mode 100644
index c10c468bfd0d084384c3c7fc925f4310cb58a9b4..0000000000000000000000000000000000000000
--- a/mojo/public/c/tests/system/message_pipe_unittest.cc
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright 2016 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.
-
-// This file tests the C message pipe API (the functions declared in
-// mojo/public/c/include/mojo/system/message_pipe.h).
-
-#include <mojo/system/message_pipe.h>
-
-#include <mojo/result.h>
-#include <mojo/system/buffer.h>
-#include <mojo/system/handle.h>
-#include <mojo/system/wait.h>
-
-#include "gtest/gtest.h"
-
-namespace {
-
-const MojoHandleRights kDefaultMessagePipeHandleRights =
-    MOJO_HANDLE_RIGHT_TRANSFER | MOJO_HANDLE_RIGHT_READ |
-    MOJO_HANDLE_RIGHT_WRITE | MOJO_HANDLE_RIGHT_GET_OPTIONS |
-    MOJO_HANDLE_RIGHT_SET_OPTIONS;
-
-TEST(MessagePipeTest, InvalidHandle) {
-  char buffer[10] = {};
-  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
-            MojoWriteMessage(MOJO_HANDLE_INVALID, buffer, 0u, nullptr, 0u,
-                             MOJO_WRITE_MESSAGE_FLAG_NONE));
-  uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
-  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
-            MojoReadMessage(MOJO_HANDLE_INVALID, buffer, &buffer_size, nullptr,
-                            nullptr, MOJO_READ_MESSAGE_FLAG_NONE));
-}
-
-TEST(MessagePipeTest, Basic) {
-  MojoHandle h0 = MOJO_HANDLE_INVALID;
-  MojoHandle h1 = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &h0, &h1));
-  EXPECT_NE(h0, MOJO_HANDLE_INVALID);
-  EXPECT_NE(h1, MOJO_HANDLE_INVALID);
-  EXPECT_NE(h0, h1);
-
-  // Both handles should have the correct rights.
-  MojoHandleRights rights = MOJO_HANDLE_RIGHT_NONE;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoGetRights(h0, &rights));
-  EXPECT_EQ(kDefaultMessagePipeHandleRights, rights);
-  rights = MOJO_HANDLE_RIGHT_NONE;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoGetRights(h1, &rights));
-  EXPECT_EQ(kDefaultMessagePipeHandleRights, rights);
-
-  // Shouldn't be able to duplicate either handle (just test "with reduced
-  // rights" on one, and without on the other).
-  MojoHandle handle_denied = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_PERMISSION_DENIED,
-            MojoDuplicateHandleWithReducedRights(
-                h0, MOJO_HANDLE_RIGHT_DUPLICATE, &handle_denied));
-  EXPECT_EQ(MOJO_HANDLE_INVALID, handle_denied);
-  handle_denied = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_PERMISSION_DENIED,
-            MojoDuplicateHandle(h1, &handle_denied));
-  EXPECT_EQ(MOJO_HANDLE_INVALID, handle_denied);
-
-  // Shouldn't be readable, we haven't written anything.
-  MojoHandleSignalsState state;
-  EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
-            MojoWait(h0, MOJO_HANDLE_SIGNAL_READABLE, 0, &state));
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, state.satisfied_signals);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE |
-                MOJO_HANDLE_SIGNAL_PEER_CLOSED,
-            state.satisfiable_signals);
-
-  // Should be writable.
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoWait(h0, MOJO_HANDLE_SIGNAL_WRITABLE, 0, &state));
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, state.satisfied_signals);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE |
-                MOJO_HANDLE_SIGNAL_PEER_CLOSED,
-            state.satisfiable_signals);
-
-  // Last parameter is optional.
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoWait(h0, MOJO_HANDLE_SIGNAL_WRITABLE, 0, nullptr));
-
-  // Try to read.
-  char buffer[10] = {};
-  uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
-  EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT,
-            MojoReadMessage(h0, buffer, &buffer_size, nullptr, nullptr,
-                            MOJO_READ_MESSAGE_FLAG_NONE));
-
-  // Write to |h1|.
-  static const char kHello[] = "hello";
-  buffer_size = static_cast<uint32_t>(sizeof(kHello));
-  EXPECT_EQ(MOJO_RESULT_OK, MojoWriteMessage(h1, kHello, buffer_size, nullptr,
-                                             0, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
-  // |h0| should be readable.
-  MojoHandleSignals sig = MOJO_HANDLE_SIGNAL_READABLE;
-  MojoHandleSignalsState states[1] = {};
-  uint32_t result_index = 1;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoWaitMany(&h0, &sig, 1, MOJO_DEADLINE_INDEFINITE,
-                                         &result_index, states));
-  EXPECT_EQ(0u, result_index);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE,
-            states[0].satisfied_signals);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE |
-                MOJO_HANDLE_SIGNAL_PEER_CLOSED,
-            states[0].satisfiable_signals);
-
-  // Read from |h0|.
-  buffer_size = static_cast<uint32_t>(sizeof(buffer));
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoReadMessage(h0, buffer, &buffer_size, nullptr, nullptr,
-                            MOJO_READ_MESSAGE_FLAG_NONE));
-  EXPECT_EQ(static_cast<uint32_t>(sizeof(kHello)), buffer_size);
-  EXPECT_STREQ(kHello, buffer);
-
-  // |h0| should no longer be readable.
-  EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
-            MojoWait(h0, MOJO_HANDLE_SIGNAL_READABLE, 10, &state));
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, state.satisfied_signals);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE |
-                MOJO_HANDLE_SIGNAL_PEER_CLOSED,
-            state.satisfiable_signals);
-
-  // Close |h0|.
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0));
-
-  // |h1| should no longer be readable or writable.
-  EXPECT_EQ(
-      MOJO_RESULT_FAILED_PRECONDITION,
-      MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE,
-               1000, &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(h1));
-}
-
-TEST(MessagePipeTest, ChecksTransferRight) {
-  MojoHandle h0 = MOJO_HANDLE_INVALID;
-  MojoHandle h1 = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &h0, &h1));
-
-  // Create a shared buffer (which is transferrable and duplicatable).
-  MojoHandle h_transferrable = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_OK,
-            MojoCreateSharedBuffer(nullptr, 100, &h_transferrable));
-
-  // Make a non-transferrable duplicate handle.
-  MojoHandle h_not_transferrable = MOJO_HANDLE_INVALID;
-  EXPECT_EQ(MOJO_RESULT_OK, MojoDuplicateHandleWithReducedRights(
-                                h_transferrable, MOJO_HANDLE_RIGHT_TRANSFER,
-                                &h_not_transferrable));
-
-  // |h_transferrable| can be transferred.
-  EXPECT_EQ(MOJO_RESULT_OK, MojoWriteMessage(h0, nullptr, 0u, &h_transferrable,
-                                             1u, MOJO_WRITE_MESSAGE_FLAG_NONE));
-
-  // |h_not_transferrable| can be transferred.
-  EXPECT_EQ(MOJO_RESULT_PERMISSION_DENIED,
-            MojoWriteMessage(h0, nullptr, 0u, &h_not_transferrable, 1u,
-                             MOJO_WRITE_MESSAGE_FLAG_NONE));
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0));
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1));
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h_not_transferrable));
-}
-
-// TODO(vtl): Add multi-threaded tests.
-
-}  // namespace