Revert of Mojo EDK: Introduce MojoQueryHandleSignalsState API

mojo/edk/system/signals_unittest.cc

Index: mojo/edk/system/signals_unittest.cc
diff --git a/mojo/edk/system/signals_unittest.cc b/mojo/edk/system/signals_unittest.cc
deleted file mode 100644
index e8b0cd1914007bc378604afa3bbe4f8325674961..0000000000000000000000000000000000000000
--- a/mojo/edk/system/signals_unittest.cc
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2017 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/test/mojo_test_base.h"
-#include "mojo/public/c/system/buffer.h"
-#include "mojo/public/c/system/data_pipe.h"
-#include "mojo/public/c/system/functions.h"
-#include "mojo/public/c/system/message_pipe.h"
-#include "mojo/public/c/system/types.h"
-
-namespace mojo {
-namespace edk {
-namespace {
-
-using SignalsTest = test::MojoTestBase;
-
-TEST_F(SignalsTest, QueryInvalidArguments) {
-  MojoHandleSignalsState state = {0, 0};
-  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
-            MojoQueryHandleSignalsState(MOJO_HANDLE_INVALID, &state));
-
-  MojoHandle a, b;
-  CreateMessagePipe(&a, &b);
-  EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
-            MojoQueryHandleSignalsState(a, nullptr));
-}
-
-TEST_F(SignalsTest, QueryMessagePipeSignals) {
-  MojoHandleSignalsState state = {0, 0};
-
-  MojoHandle a, b;
-  CreateMessagePipe(&a, &b);
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoQueryHandleSignalsState(a, &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);
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoQueryHandleSignalsState(b, &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);
-
-  WriteMessage(a, "ok");
-  EXPECT_EQ(MOJO_RESULT_OK, WaitForSignals(b, MOJO_HANDLE_SIGNAL_READABLE));
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoQueryHandleSignalsState(b, &state));
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | 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);
-
-  EXPECT_EQ("ok", ReadMessage(b));
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoQueryHandleSignalsState(b, &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);
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoClose(a));
-
-  EXPECT_EQ(MOJO_RESULT_OK, WaitForSignals(b, MOJO_HANDLE_SIGNAL_PEER_CLOSED));
-
-  EXPECT_EQ(MOJO_RESULT_OK, MojoQueryHandleSignalsState(b, &state));
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfied_signals);
-  EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfiable_signals);
-}
-
-}  // namespace
-}  // namespace edk
-}  // namespace mojo