crashpad/util/mach/mach_message_test.cc
Mark Mentovai c874958fd0 MachMessageServer: eliminate argument redundancy.
MachMessageServer::Run()’s distinct |nonblocking| parameter is removed.
The information it formerly conveyed is now implied by the |timeout_ms|
parameter, which can accept two special values,
kMachMessageTimeoutNonblocking and kMachMessageTimeoutWaitIndefinitely.

TEST=client_test, snapshot_test, util_test
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/777993002
2014-12-10 11:11:21 -05:00

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// 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_message.h"
#include "base/basictypes.h"
#include "gtest/gtest.h"
#include "util/mach/mach_extensions.h"
namespace crashpad {
namespace test {
namespace {
TEST(MachMessage, MachMessageDeadlineFromTimeout) {
MachMessageDeadline deadline_0 =
MachMessageDeadlineFromTimeout(kMachMessageTimeoutNonblocking);
EXPECT_EQ(kMachMessageDeadlineNonblocking, deadline_0);
deadline_0 =
MachMessageDeadlineFromTimeout(kMachMessageTimeoutWaitIndefinitely);
EXPECT_EQ(kMachMessageDeadlineWaitIndefinitely, deadline_0);
deadline_0 = MachMessageDeadlineFromTimeout(1);
MachMessageDeadline deadline_1 = MachMessageDeadlineFromTimeout(100);
EXPECT_NE(kMachMessageDeadlineNonblocking, deadline_0);
EXPECT_NE(kMachMessageDeadlineWaitIndefinitely, deadline_0);
EXPECT_NE(kMachMessageDeadlineNonblocking, deadline_1);
EXPECT_NE(kMachMessageDeadlineWaitIndefinitely, deadline_1);
EXPECT_GE(deadline_1, deadline_0);
}
TEST(MachMessage, PrepareMIGReplyFromRequest_SetMIGReplyError) {
mach_msg_header_t request;
request.msgh_bits =
MACH_MSGH_BITS_COMPLEX |
MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, MACH_MSG_TYPE_PORT_SEND);
request.msgh_size = 64;
request.msgh_remote_port = 0x01234567;
request.msgh_local_port = 0x89abcdef;
request.msgh_reserved = 0xa5a5a5a5;
request.msgh_id = 1011;
mig_reply_error_t reply;
// PrepareMIGReplyFromRequest() doesnt touch this field.
reply.RetCode = MIG_TYPE_ERROR;
PrepareMIGReplyFromRequest(&request, &reply.Head);
EXPECT_EQ(implicit_cast<mach_msg_bits_t>(
MACH_MSGH_BITS(MACH_MSG_TYPE_MOVE_SEND_ONCE, 0)),
reply.Head.msgh_bits);
EXPECT_EQ(sizeof(reply), reply.Head.msgh_size);
EXPECT_EQ(request.msgh_remote_port, reply.Head.msgh_remote_port);
EXPECT_EQ(kMachPortNull, reply.Head.msgh_local_port);
EXPECT_EQ(0u, reply.Head.msgh_reserved);
EXPECT_EQ(1111, reply.Head.msgh_id);
EXPECT_EQ(NDR_record.mig_vers, reply.NDR.mig_vers);
EXPECT_EQ(NDR_record.if_vers, reply.NDR.if_vers);
EXPECT_EQ(NDR_record.reserved1, reply.NDR.reserved1);
EXPECT_EQ(NDR_record.mig_encoding, reply.NDR.mig_encoding);
EXPECT_EQ(NDR_record.int_rep, reply.NDR.int_rep);
EXPECT_EQ(NDR_record.char_rep, reply.NDR.char_rep);
EXPECT_EQ(NDR_record.float_rep, reply.NDR.float_rep);
EXPECT_EQ(NDR_record.reserved2, reply.NDR.reserved2);
EXPECT_EQ(MIG_TYPE_ERROR, reply.RetCode);
SetMIGReplyError(&reply.Head, MIG_BAD_ID);
EXPECT_EQ(MIG_BAD_ID, reply.RetCode);
}
TEST(MachMessage, MachMessageTrailerFromHeader) {
mach_msg_empty_t empty;
empty.send.header.msgh_size = sizeof(mach_msg_empty_send_t);
EXPECT_EQ(&empty.rcv.trailer,
MachMessageTrailerFromHeader(&empty.rcv.header));
struct TestSendMessage : public mach_msg_header_t {
uint8_t data[126];
};
struct TestReceiveMessage : public TestSendMessage {
mach_msg_trailer_t trailer;
};
union TestMessage {
TestSendMessage send;
TestReceiveMessage receive;
};
TestMessage test;
test.send.msgh_size = sizeof(TestSendMessage);
EXPECT_EQ(&test.receive.trailer, MachMessageTrailerFromHeader(&test.receive));
}
} // namespace
} // namespace test
} // namespace crashpad