Add NewMachPort() and its test, and switch call sites to use it

util/mach/mach_extensions_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "util/mach/mach_extensions.h"
 
 #include "base/mac/scoped_mach_port.h"
 #include "gtest/gtest.h"
+#include "util/test/mac/mach_errors.h"
 
 namespace crashpad {
 namespace test {
 namespace {
 
 TEST(MachExtensions, MachThreadSelf) {
   base::mac::ScopedMachSendRight thread_self(mach_thread_self());
   EXPECT_EQ(thread_self, MachThreadSelf());
 }
 
+TEST(MachExtensions, NewMachPort_Receive) {
+  base::mac::ScopedMachReceiveRight port(NewMachPort(MACH_PORT_RIGHT_RECEIVE));
+  ASSERT_NE(kMachPortNull, port);
+
+  mach_port_type_t type;
+  kern_return_t kr = mach_port_type(mach_task_self(), port, &type);
+  ASSERT_EQ(KERN_SUCCESS, kr) << MachErrorMessage(kr, "mach_port_get_type");
+
+  EXPECT_EQ(MACH_PORT_TYPE_RECEIVE, type);
+}
+
+TEST(MachExtensions, NewMachPort_PortSet) {
+  base::mac::ScopedMachPortSet port(NewMachPort(MACH_PORT_RIGHT_PORT_SET));
+  ASSERT_NE(kMachPortNull, port);
+
+  mach_port_type_t type;
+  kern_return_t kr = mach_port_type(mach_task_self(), port, &type);
+  ASSERT_EQ(KERN_SUCCESS, kr) << MachErrorMessage(kr, "mach_port_get_type");
+
+  EXPECT_EQ(MACH_PORT_TYPE_PORT_SET, type);
+}
+
+TEST(MachExtensions, NewMachPort_DeadName) {
+  base::mac::ScopedMachSendRight port(NewMachPort(MACH_PORT_RIGHT_DEAD_NAME));
+  ASSERT_NE(kMachPortNull, port);
+
+  mach_port_type_t type;
+  kern_return_t kr = mach_port_type(mach_task_self(), port, &type);
+  ASSERT_EQ(KERN_SUCCESS, kr) << MachErrorMessage(kr, "mach_port_get_type");
+
+  EXPECT_EQ(MACH_PORT_TYPE_DEAD_NAME, type);
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace crashpad