QUICHE team | a6ef0a6 | 2019-03-07 20:34:33 -0500 | [diff] [blame] | 1 | // Copyright (c) 2012 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 "net/third_party/quiche/src/quic/core/quic_bandwidth.h" |
| 6 | #include "net/third_party/quiche/src/quic/core/quic_time.h" |
| 7 | #include "net/third_party/quiche/src/quic/platform/api/quic_test.h" |
| 8 | |
| 9 | namespace quic { |
| 10 | namespace test { |
| 11 | |
| 12 | class QuicBandwidthTest : public QuicTest {}; |
| 13 | |
| 14 | TEST_F(QuicBandwidthTest, FromTo) { |
| 15 | EXPECT_EQ(QuicBandwidth::FromKBitsPerSecond(1), |
| 16 | QuicBandwidth::FromBitsPerSecond(1000)); |
| 17 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1), |
| 18 | QuicBandwidth::FromBytesPerSecond(1000)); |
| 19 | EXPECT_EQ(QuicBandwidth::FromBitsPerSecond(8000), |
| 20 | QuicBandwidth::FromBytesPerSecond(1000)); |
| 21 | EXPECT_EQ(QuicBandwidth::FromKBitsPerSecond(8), |
| 22 | QuicBandwidth::FromKBytesPerSecond(1)); |
| 23 | |
| 24 | EXPECT_EQ(0, QuicBandwidth::Zero().ToBitsPerSecond()); |
| 25 | EXPECT_EQ(0, QuicBandwidth::Zero().ToKBitsPerSecond()); |
| 26 | EXPECT_EQ(0, QuicBandwidth::Zero().ToBytesPerSecond()); |
| 27 | EXPECT_EQ(0, QuicBandwidth::Zero().ToKBytesPerSecond()); |
| 28 | |
| 29 | EXPECT_EQ(1, QuicBandwidth::FromBitsPerSecond(1000).ToKBitsPerSecond()); |
| 30 | EXPECT_EQ(1000, QuicBandwidth::FromKBitsPerSecond(1).ToBitsPerSecond()); |
| 31 | EXPECT_EQ(1, QuicBandwidth::FromBytesPerSecond(1000).ToKBytesPerSecond()); |
| 32 | EXPECT_EQ(1000, QuicBandwidth::FromKBytesPerSecond(1).ToBytesPerSecond()); |
| 33 | } |
| 34 | |
| 35 | TEST_F(QuicBandwidthTest, Add) { |
| 36 | QuicBandwidth bandwidht_1 = QuicBandwidth::FromKBitsPerSecond(1); |
| 37 | QuicBandwidth bandwidht_2 = QuicBandwidth::FromKBytesPerSecond(1); |
| 38 | |
| 39 | EXPECT_EQ(9000, (bandwidht_1 + bandwidht_2).ToBitsPerSecond()); |
| 40 | EXPECT_EQ(9000, (bandwidht_2 + bandwidht_1).ToBitsPerSecond()); |
| 41 | } |
| 42 | |
| 43 | TEST_F(QuicBandwidthTest, Subtract) { |
| 44 | QuicBandwidth bandwidht_1 = QuicBandwidth::FromKBitsPerSecond(1); |
| 45 | QuicBandwidth bandwidht_2 = QuicBandwidth::FromKBytesPerSecond(1); |
| 46 | |
| 47 | EXPECT_EQ(7000, (bandwidht_2 - bandwidht_1).ToBitsPerSecond()); |
| 48 | } |
| 49 | |
| 50 | TEST_F(QuicBandwidthTest, TimeDelta) { |
| 51 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1000), |
| 52 | QuicBandwidth::FromBytesAndTimeDelta( |
| 53 | 1000, QuicTime::Delta::FromMilliseconds(1))); |
| 54 | |
| 55 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(10), |
| 56 | QuicBandwidth::FromBytesAndTimeDelta( |
| 57 | 1000, QuicTime::Delta::FromMilliseconds(100))); |
| 58 | } |
| 59 | |
| 60 | TEST_F(QuicBandwidthTest, Scale) { |
| 61 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(500), |
| 62 | QuicBandwidth::FromKBytesPerSecond(1000) * 0.5f); |
| 63 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(750), |
| 64 | 0.75f * QuicBandwidth::FromKBytesPerSecond(1000)); |
| 65 | EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1250), |
| 66 | QuicBandwidth::FromKBytesPerSecond(1000) * 1.25f); |
| 67 | |
| 68 | // Ensure we are rounding correctly within a 1bps level of precision. |
| 69 | EXPECT_EQ(QuicBandwidth::FromBitsPerSecond(5), |
| 70 | QuicBandwidth::FromBitsPerSecond(9) * 0.5f); |
| 71 | EXPECT_EQ(QuicBandwidth::FromBitsPerSecond(2), |
| 72 | QuicBandwidth::FromBitsPerSecond(12) * 0.2f); |
| 73 | } |
| 74 | |
| 75 | TEST_F(QuicBandwidthTest, BytesPerPeriod) { |
| 76 | EXPECT_EQ(2000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod( |
| 77 | QuicTime::Delta::FromMilliseconds(1))); |
| 78 | EXPECT_EQ(2u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod( |
| 79 | QuicTime::Delta::FromMilliseconds(1))); |
| 80 | EXPECT_EQ(200000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod( |
| 81 | QuicTime::Delta::FromMilliseconds(100))); |
| 82 | EXPECT_EQ(200u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod( |
| 83 | QuicTime::Delta::FromMilliseconds(100))); |
| 84 | } |
| 85 | |
| 86 | TEST_F(QuicBandwidthTest, TransferTime) { |
| 87 | EXPECT_EQ(QuicTime::Delta::FromSeconds(1), |
| 88 | QuicBandwidth::FromKBytesPerSecond(1).TransferTime(1000)); |
| 89 | EXPECT_EQ(QuicTime::Delta::Zero(), QuicBandwidth::Zero().TransferTime(1000)); |
| 90 | } |
| 91 | |
| 92 | TEST_F(QuicBandwidthTest, RelOps) { |
| 93 | const QuicBandwidth b1 = QuicBandwidth::FromKBitsPerSecond(1); |
| 94 | const QuicBandwidth b2 = QuicBandwidth::FromKBytesPerSecond(2); |
| 95 | EXPECT_EQ(b1, b1); |
| 96 | EXPECT_NE(b1, b2); |
| 97 | EXPECT_LT(b1, b2); |
| 98 | EXPECT_GT(b2, b1); |
| 99 | EXPECT_LE(b1, b1); |
| 100 | EXPECT_LE(b1, b2); |
| 101 | EXPECT_GE(b1, b1); |
| 102 | EXPECT_GE(b2, b1); |
| 103 | } |
| 104 | |
| 105 | TEST_F(QuicBandwidthTest, DebugValue) { |
| 106 | EXPECT_EQ("128 bits/s (16 bytes/s)", |
| 107 | QuicBandwidth::FromBytesPerSecond(16).ToDebugValue()); |
| 108 | EXPECT_EQ("4096 bits/s (512 bytes/s)", |
| 109 | QuicBandwidth::FromBytesPerSecond(512).ToDebugValue()); |
| 110 | |
| 111 | QuicBandwidth bandwidth = QuicBandwidth::FromBytesPerSecond(1000 * 50); |
| 112 | EXPECT_EQ("400.00 kbits/s (50.00 kbytes/s)", bandwidth.ToDebugValue()); |
| 113 | |
| 114 | bandwidth = bandwidth * 1000; |
| 115 | EXPECT_EQ("400.00 Mbits/s (50.00 Mbytes/s)", bandwidth.ToDebugValue()); |
| 116 | |
| 117 | bandwidth = bandwidth * 1000; |
| 118 | EXPECT_EQ("400.00 Gbits/s (50.00 Gbytes/s)", bandwidth.ToDebugValue()); |
| 119 | } |
| 120 | |
| 121 | } // namespace test |
| 122 | } // namespace quic |