net/quic/quic_bandwidth_test.cc

   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
  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.Add(bandwidht_2).ToBitsPerSecond());
  40   EXPECT_EQ(9000, bandwidht_2.Add(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.Subtract(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).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
  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
  81 TEST_F(QuicBandwidthTest, TransferTime) {
  82   EXPECT_EQ(QuicTime::Delta::FromSeconds(1),
  83             QuicBandwidth::FromKBytesPerSecond(1).TransferTime(1000));
  84   EXPECT_EQ(QuicTime::Delta::Zero(), QuicBandwidth::Zero().TransferTime(1000));
  85 }
  86
  87 TEST_F(QuicBandwidthTest, RelOps) {
  88   const QuicBandwidth b1 = QuicBandwidth::FromKBitsPerSecond(1);
  89   const QuicBandwidth b2 = QuicBandwidth::FromKBytesPerSecond(2);
  90   EXPECT_EQ(b1, b1);
  91   EXPECT_NE(b1, b2);
  92   EXPECT_LT(b1, b2);
  93   EXPECT_GT(b2, b1);
  94   EXPECT_LE(b1, b1);
  95   EXPECT_LE(b1, b2);
  96   EXPECT_GE(b1, b1);
  97   EXPECT_GE(b2, b1);
  98 }
  99
 100 }  // namespace test
 101 }  // namespace net