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/quic/quic_bandwidth.h"
6 #include "testing/gtest/include/gtest/gtest.h"
7
8 namespace net {
9 namespace test {
10
11 class QuicBandwidthTest : public ::testing::Test {
12 };
13
TEST_F(QuicBandwidthTest,FromTo)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
TEST_F(QuicBandwidthTest,Add)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.Add(bandwidht_2).ToBitsPerSecond());
40 EXPECT_EQ(9000, bandwidht_2.Add(bandwidht_1).ToBitsPerSecond());
41 }
42
TEST_F(QuicBandwidthTest,Subtract)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.Subtract(bandwidht_1).ToBitsPerSecond());
48 }
49
TEST_F(QuicBandwidthTest,TimeDelta)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
TEST_F(QuicBandwidthTest,Scale)60 TEST_F(QuicBandwidthTest, Scale) {
61 EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(500),
62 QuicBandwidth::FromKBytesPerSecond(1000).Scale(0.5f));
63 EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(750),
64 QuicBandwidth::FromKBytesPerSecond(1000).Scale(0.75f));
65 EXPECT_EQ(QuicBandwidth::FromKBytesPerSecond(1250),
66 QuicBandwidth::FromKBytesPerSecond(1000).Scale(1.25f));
67 }
68
69
TEST_F(QuicBandwidthTest,BytesPerPeriod)70 TEST_F(QuicBandwidthTest, BytesPerPeriod) {
71 EXPECT_EQ(2000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod(
72 QuicTime::Delta::FromMilliseconds(1)));
73 EXPECT_EQ(2u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod(
74 QuicTime::Delta::FromMilliseconds(1)));
75 EXPECT_EQ(200000u, QuicBandwidth::FromKBytesPerSecond(2000).ToBytesPerPeriod(
76 QuicTime::Delta::FromMilliseconds(100)));
77 EXPECT_EQ(200u, QuicBandwidth::FromKBytesPerSecond(2000).ToKBytesPerPeriod(
78 QuicTime::Delta::FromMilliseconds(100)));
79 }
80
TEST_F(QuicBandwidthTest,TransferTime)81 TEST_F(QuicBandwidthTest, TransferTime) {
82 EXPECT_EQ(QuicTime::Delta::FromSeconds(1),
83 QuicBandwidth::FromKBytesPerSecond(1).TransferTime(1000));
84 }
85
86 } // namespace test
87 } // namespace net
88