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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/public/cpp/test_support/test_utils.h" | |
| 6 | |
| 7 #include "mojo/public/cpp/system/core.h" | |
| 8 #include "mojo/public/cpp/test_support/test_support.h" | |
| 9 | |
| 10 namespace mojo { | |
| 11 namespace test { | |
| 12 | |
| 13 bool WriteTextMessage(const MessagePipeHandle& handle, | |
| 14 const std::string& text) { | |
| 15 MojoResult rv = WriteMessageRaw(handle, | |
| 16 text.data(), | |
| 17 static_cast<uint32_t>(text.size()), | |
| 18 nullptr, | |
| 19 0, | |
| 20 MOJO_WRITE_MESSAGE_FLAG_NONE); | |
| 21 return rv == MOJO_RESULT_OK; | |
| 22 } | |
| 23 | |
| 24 bool ReadTextMessage(const MessagePipeHandle& handle, std::string* text) { | |
| 25 MojoResult rv; | |
| 26 bool did_wait = false; | |
| 27 | |
| 28 uint32_t num_bytes = 0, num_handles = 0; | |
| 29 for (;;) { | |
| 30 rv = ReadMessageRaw(handle, | |
| 31 nullptr, | |
| 32 &num_bytes, | |
| 33 nullptr, | |
| 34 &num_handles, | |
| 35 MOJO_READ_MESSAGE_FLAG_NONE); | |
| 36 if (rv == MOJO_RESULT_SHOULD_WAIT) { | |
| 37 if (did_wait) { | |
| 38 assert(false); // Looping endlessly!? | |
| 39 return false; | |
| 40 } | |
| 41 rv = Wait(handle, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE, | |
| 42 nullptr); | |
| 43 if (rv != MOJO_RESULT_OK) | |
| 44 return false; | |
| 45 did_wait = true; | |
| 46 } else { | |
| 47 assert(!num_handles); | |
| 48 break; | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 text->resize(num_bytes); | |
| 53 rv = ReadMessageRaw(handle, | |
| 54 &text->at(0), | |
| 55 &num_bytes, | |
| 56 nullptr, | |
| 57 &num_handles, | |
| 58 MOJO_READ_MESSAGE_FLAG_NONE); | |
| 59 return rv == MOJO_RESULT_OK; | |
| 60 } | |
| 61 | |
| 62 bool DiscardMessage(const MessagePipeHandle& handle) { | |
| 63 MojoResult rv = ReadMessageRaw(handle, | |
| 64 nullptr, | |
| 65 nullptr, | |
| 66 nullptr, | |
| 67 nullptr, | |
| 68 MOJO_READ_MESSAGE_FLAG_MAY_DISCARD); | |
| 69 return rv == MOJO_RESULT_OK; | |
| 70 } | |
| 71 | |
| 72 void IterateAndReportPerf(const char* test_name, | |
| 73 const char* sub_test_name, | |
| 74 PerfTestSingleIteration single_iteration, | |
| 75 void* closure) { | |
| 76 // TODO(vtl): These should be specifiable using command-line flags. | |
| 77 static const size_t kGranularity = 100; | |
| 78 static const MojoTimeTicks kPerftestTimeMicroseconds = 3 * 1000000; | |
| 79 | |
| 80 const MojoTimeTicks start_time = GetTimeTicksNow(); | |
| 81 MojoTimeTicks end_time; | |
| 82 size_t iterations = 0; | |
| 83 do { | |
| 84 for (size_t i = 0; i < kGranularity; i++) | |
| 85 (*single_iteration)(closure); | |
| 86 iterations += kGranularity; | |
| 87 | |
| 88 end_time = GetTimeTicksNow(); | |
| 89 } while (end_time - start_time < kPerftestTimeMicroseconds); | |
| 90 | |
| 91 MojoTestSupportLogPerfResult(test_name, sub_test_name, | |
| 92 1000000.0 * iterations / (end_time - start_time), | |
| 93 "iterations/second"); | |
| 94 } | |
| 95 | |
| 96 } // namespace test | |
| 97 } // namespace mojo | |
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Chromium Code Reviews
Issue 814543006:
Move //mojo/{public, edk} underneath //third_party (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master