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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/quic/quic_flow_controller.h" | 5 #include "net/quic/quic_flow_controller.h" |
| 6 | 6 |
| 7 #include "base/strings/stringprintf.h" | 7 #include "base/strings/stringprintf.h" |
| 8 #include "net/quic/quic_flags.h" | 8 #include "net/quic/quic_flags.h" |
| 9 #include "net/quic/quic_utils.h" | 9 #include "net/quic/quic_utils.h" |
| 10 #include "net/quic/test_tools/quic_flow_controller_peer.h" | 10 #include "net/quic/test_tools/quic_flow_controller_peer.h" |
| 11 #include "net/quic/test_tools/quic_test_utils.h" | 11 #include "net/quic/test_tools/quic_test_utils.h" |
| 12 #include "net/test/gtest_util.h" | 12 #include "net/test/gtest_util.h" |
| 13 #include "testing/gmock/include/gmock/gmock.h" | 13 #include "testing/gmock/include/gmock/gmock.h" |
| 14 | 14 |
| 15 using base::StringPrintf; | 15 using base::StringPrintf; |
| 16 | 16 |
| 17 namespace net { | 17 namespace net { |
| 18 namespace test { | 18 namespace test { |
| 19 | 19 |
| 20 using ::testing::_; | 20 using ::testing::_; |
| 21 | 21 |
| 22 class QuicFlowControllerTest : public ::testing::Test { | 22 class QuicFlowControllerTest : public ::testing::Test { |
| 23 public: | 23 public: |
| 24 QuicFlowControllerTest() | 24 QuicFlowControllerTest() |
| 25 : stream_id_(1234), | 25 : stream_id_(1234), |
| 26 send_window_(100), | 26 send_window_(100), |
| 27 receive_window_(200), | 27 receive_window_(200), |
| 28 max_receive_window_(200), | 28 max_receive_window_(200), |
| 29 version_(QuicVersionMax()), | 29 version_(QuicVersionMax()), |
| 30 old_flag_(&FLAGS_enable_quic_stream_flow_control_2, true) { | 30 old_flag_(&FLAGS_enable_quic_stream_flow_control_2, true) {} |
| 31 } | |
| 32 | 31 |
| 33 void Initialize() { | 32 void Initialize() { |
| 34 flow_controller_.reset(new QuicFlowController(version_, stream_id_, false, | 33 flow_controller_.reset(new QuicFlowController(version_, |
| 35 send_window_, receive_window_, | 34 stream_id_, |
| 35 false, |
| 36 send_window_, |
| 37 receive_window_, |
| 36 max_receive_window_)); | 38 max_receive_window_)); |
| 37 } | 39 } |
| 38 | 40 |
| 39 void set_version(QuicVersion version) { version_ = version; } | 41 void set_version(QuicVersion version) { version_ = version; } |
| 40 | 42 |
| 41 protected: | 43 protected: |
| 42 QuicStreamId stream_id_; | 44 QuicStreamId stream_id_; |
| 43 uint64 send_window_; | 45 uint64 send_window_; |
| 44 uint64 receive_window_; | 46 uint64 receive_window_; |
| 45 uint64 max_receive_window_; | 47 uint64 max_receive_window_; |
| (...skipping 28 matching lines...) Expand all Loading... |
| 74 // Update the send window, and verify this has unblocked. | 76 // Update the send window, and verify this has unblocked. |
| 75 EXPECT_TRUE(flow_controller_->UpdateSendWindowOffset(2 * send_window_)); | 77 EXPECT_TRUE(flow_controller_->UpdateSendWindowOffset(2 * send_window_)); |
| 76 EXPECT_FALSE(flow_controller_->IsBlocked()); | 78 EXPECT_FALSE(flow_controller_->IsBlocked()); |
| 77 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 79 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 78 | 80 |
| 79 // Updating with a smaller offset doesn't change anything. | 81 // Updating with a smaller offset doesn't change anything. |
| 80 EXPECT_FALSE(flow_controller_->UpdateSendWindowOffset(send_window_ / 10)); | 82 EXPECT_FALSE(flow_controller_->UpdateSendWindowOffset(send_window_ / 10)); |
| 81 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 83 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 82 | 84 |
| 83 // Try to send more bytes, violating flow control. | 85 // Try to send more bytes, violating flow control. |
| 84 EXPECT_DFATAL( | 86 EXPECT_DFATAL(flow_controller_->AddBytesSent(send_window_ * 10), |
| 85 flow_controller_->AddBytesSent(send_window_ * 10), | 87 StringPrintf("Trying to send an extra %d bytes", |
| 86 StringPrintf("Trying to send an extra %d bytes", | 88 static_cast<int>(send_window_ * 10))); |
| 87 static_cast<int>(send_window_ * 10))); | |
| 88 EXPECT_TRUE(flow_controller_->IsBlocked()); | 89 EXPECT_TRUE(flow_controller_->IsBlocked()); |
| 89 EXPECT_EQ(0u, flow_controller_->SendWindowSize()); | 90 EXPECT_EQ(0u, flow_controller_->SendWindowSize()); |
| 90 } | 91 } |
| 91 | 92 |
| 92 TEST_F(QuicFlowControllerTest, ReceivingBytes) { | 93 TEST_F(QuicFlowControllerTest, ReceivingBytes) { |
| 93 Initialize(); | 94 Initialize(); |
| 94 | 95 |
| 95 EXPECT_TRUE(flow_controller_->IsEnabled()); | 96 EXPECT_TRUE(flow_controller_->IsEnabled()); |
| 96 EXPECT_FALSE(flow_controller_->IsBlocked()); | 97 EXPECT_FALSE(flow_controller_->IsBlocked()); |
| 97 EXPECT_FALSE(flow_controller_->FlowControlViolation()); | 98 EXPECT_FALSE(flow_controller_->FlowControlViolation()); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 121 | 122 |
| 122 // Should not be enabled, and should not report as blocked. | 123 // Should not be enabled, and should not report as blocked. |
| 123 EXPECT_FALSE(flow_controller_->IsEnabled()); | 124 EXPECT_FALSE(flow_controller_->IsEnabled()); |
| 124 EXPECT_FALSE(flow_controller_->IsBlocked()); | 125 EXPECT_FALSE(flow_controller_->IsBlocked()); |
| 125 EXPECT_FALSE(flow_controller_->FlowControlViolation()); | 126 EXPECT_FALSE(flow_controller_->FlowControlViolation()); |
| 126 | 127 |
| 127 // Any attempts to add/remove bytes should have no effect. | 128 // Any attempts to add/remove bytes should have no effect. |
| 128 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 129 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 129 EXPECT_EQ(send_window_, | 130 EXPECT_EQ(send_window_, |
| 130 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); | 131 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); |
| 131 EXPECT_EQ(receive_window_, QuicFlowControllerPeer::ReceiveWindowOffset( | 132 EXPECT_EQ( |
| 132 flow_controller_.get())); | 133 receive_window_, |
| 134 QuicFlowControllerPeer::ReceiveWindowOffset(flow_controller_.get())); |
| 133 flow_controller_->AddBytesSent(123); | 135 flow_controller_->AddBytesSent(123); |
| 134 flow_controller_->AddBytesConsumed(456); | 136 flow_controller_->AddBytesConsumed(456); |
| 135 flow_controller_->AddBytesBuffered(789); | 137 flow_controller_->AddBytesBuffered(789); |
| 136 flow_controller_->RemoveBytesBuffered(321); | 138 flow_controller_->RemoveBytesBuffered(321); |
| 137 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 139 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 138 EXPECT_EQ(send_window_, | 140 EXPECT_EQ(send_window_, |
| 139 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); | 141 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); |
| 140 EXPECT_EQ(receive_window_, QuicFlowControllerPeer::ReceiveWindowOffset( | 142 EXPECT_EQ( |
| 141 flow_controller_.get())); | 143 receive_window_, |
| 144 QuicFlowControllerPeer::ReceiveWindowOffset(flow_controller_.get())); |
| 142 | 145 |
| 143 // Any attempt to change offset should have no effect. | 146 // Any attempt to change offset should have no effect. |
| 144 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 147 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 145 EXPECT_EQ(send_window_, | 148 EXPECT_EQ(send_window_, |
| 146 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); | 149 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); |
| 147 flow_controller_->UpdateSendWindowOffset(send_window_ + 12345); | 150 flow_controller_->UpdateSendWindowOffset(send_window_ + 12345); |
| 148 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); | 151 EXPECT_EQ(send_window_, flow_controller_->SendWindowSize()); |
| 149 EXPECT_EQ(send_window_, | 152 EXPECT_EQ(send_window_, |
| 150 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); | 153 QuicFlowControllerPeer::SendWindowOffset(flow_controller_.get())); |
| 151 | 154 |
| (...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 210 flow_controller_->AddBytesSent(send_window_); | 213 flow_controller_->AddBytesSent(send_window_); |
| 211 EXPECT_TRUE(flow_controller_->IsBlocked()); | 214 EXPECT_TRUE(flow_controller_->IsBlocked()); |
| 212 EXPECT_EQ(0u, flow_controller_->SendWindowSize()); | 215 EXPECT_EQ(0u, flow_controller_->SendWindowSize()); |
| 213 | 216 |
| 214 // BLOCKED frame should get sent as send offset has changed. | 217 // BLOCKED frame should get sent as send offset has changed. |
| 215 flow_controller_->MaybeSendBlocked(&connection); | 218 flow_controller_->MaybeSendBlocked(&connection); |
| 216 } | 219 } |
| 217 | 220 |
| 218 } // namespace test | 221 } // namespace test |
| 219 } // namespace net | 222 } // namespace net |
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