Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project 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 <vector> |
| 6 | |
| 7 | #include "src/counters.h" |
| 8 | #include "src/handles-inl.h" |
| 9 | #include "src/objects-inl.h" |
| 10 | #include "testing/gtest/include/gtest/gtest.h" |
| 11 | |
| 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | |
| 15 | namespace { |
| 16 | |
| 17 | class MockHistogram : public Histogram { |
| 18 | public: |
| 19 | void AddSample(int value) { samples_.push_back(value); } |
| 20 | std::vector<int>* samples() { return &samples_; } |
| 21 | |
| 22 | private: |
| 23 | std::vector<int> samples_; |
| 24 | }; |
| 25 | |
| 26 | |
| 27 | class AggregatedMemoryHistogramTest : public ::testing::Test { |
| 28 | public: |
| 29 | AggregatedMemoryHistogramTest() { |
| 30 | aggregated_ = AggregatedMemoryHistogram<MockHistogram>(&mock_); |
| 31 | } |
| 32 | virtual ~AggregatedMemoryHistogramTest() {} |
| 33 | |
| 34 | void AddSample(double current_ms, double current_value) { |
| 35 | aggregated_.AddSample(current_ms, current_value); |
| 36 | } |
| 37 | |
| 38 | std::vector<int>* samples() { return mock_.samples(); } |
| 39 | |
| 40 | private: |
| 41 | AggregatedMemoryHistogram<MockHistogram> aggregated_; |
| 42 | MockHistogram mock_; |
| 43 | }; |
| 44 | |
| 45 | } // namespace |
| 46 | |
| 47 | |
| 48 | TEST_F(AggregatedMemoryHistogramTest, OneSample1) { |
| 49 | FLAG_histogram_interval = 10; |
| 50 | AddSample(10, 1000); |
| 51 | AddSample(20, 1000); |
| 52 | EXPECT_EQ(1U, samples()->size()); |
| 53 | EXPECT_EQ(1000, (*samples())[0]); |
| 54 | } |
| 55 | |
| 56 | |
| 57 | TEST_F(AggregatedMemoryHistogramTest, OneSample2) { |
| 58 | FLAG_histogram_interval = 10; |
| 59 | AddSample(10, 500); |
| 60 | AddSample(20, 1000); |
| 61 | EXPECT_EQ(1U, samples()->size()); |
| 62 | EXPECT_EQ(750, (*samples())[0]); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | TEST_F(AggregatedMemoryHistogramTest, OneSample3) { |
| 67 | FLAG_histogram_interval = 10; |
| 68 | AddSample(10, 500); |
| 69 | AddSample(15, 500); |
| 70 | AddSample(15, 1000); |
| 71 | AddSample(20, 1000); |
| 72 | EXPECT_EQ(1U, samples()->size()); |
| 73 | EXPECT_EQ(750, (*samples())[0]); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | TEST_F(AggregatedMemoryHistogramTest, OneSample4) { |
| 78 | FLAG_histogram_interval = 10; |
| 79 | AddSample(10, 500); |
| 80 | AddSample(15, 750); |
| 81 | AddSample(20, 1000); |
| 82 | EXPECT_EQ(1U, samples()->size()); |
| 83 | EXPECT_EQ(750, (*samples())[0]); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples1) { |
| 88 | FLAG_histogram_interval = 10; |
| 89 | AddSample(10, 1000); |
| 90 | AddSample(30, 1000); |
| 91 | EXPECT_EQ(2U, samples()->size()); |
| 92 | EXPECT_EQ(1000, (*samples())[0]); |
| 93 | EXPECT_EQ(1000, (*samples())[1]); |
| 94 | } |
| 95 | |
| 96 | |
| 97 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples2) { |
| 98 | FLAG_histogram_interval = 10; |
| 99 | AddSample(10, 1000); |
| 100 | AddSample(20, 1000); |
| 101 | AddSample(30, 1000); |
| 102 | EXPECT_EQ(2U, samples()->size()); |
| 103 | EXPECT_EQ(1000, (*samples())[0]); |
| 104 | EXPECT_EQ(1000, (*samples())[1]); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples3) { |
| 109 | FLAG_histogram_interval = 10; |
| 110 | AddSample(10, 1000); |
| 111 | AddSample(20, 1000); |
| 112 | AddSample(20, 500); |
| 113 | AddSample(30, 500); |
| 114 | EXPECT_EQ(2U, samples()->size()); |
| 115 | EXPECT_EQ(1000, (*samples())[0]); |
| 116 | EXPECT_EQ(500, (*samples())[1]); |
| 117 | } |
| 118 | |
| 119 | |
| 120 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples4) { |
| 121 | FLAG_histogram_interval = 10; |
| 122 | AddSample(10, 1000); |
| 123 | AddSample(30, 0); |
| 124 | EXPECT_EQ(2U, samples()->size()); |
| 125 | EXPECT_EQ(750, (*samples())[0]); |
| 126 | EXPECT_EQ(250, (*samples())[1]); |
| 127 | } |
| 128 | |
| 129 | |
| 130 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples5) { |
| 131 | FLAG_histogram_interval = 10; |
| 132 | AddSample(10, 0); |
| 133 | AddSample(30, 1000); |
| 134 | EXPECT_EQ(2U, samples()->size()); |
| 135 | EXPECT_EQ(250, (*samples())[0]); |
| 136 | EXPECT_EQ(750, (*samples())[1]); |
| 137 | } |
| 138 | |
| 139 | |
| 140 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples6) { |
| 141 | FLAG_histogram_interval = 10; |
| 142 | AddSample(10, 0); |
| 143 | AddSample(15, 1000); |
| 144 | AddSample(30, 1000); |
| 145 | EXPECT_EQ(2U, samples()->size()); |
| 146 | EXPECT_EQ((500 + 1000) / 2, (*samples())[0]); |
| 147 | EXPECT_EQ(1000, (*samples())[1]); |
| 148 | } |
| 149 | |
| 150 | |
| 151 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples7) { |
| 152 | FLAG_histogram_interval = 10; |
| 153 | AddSample(10, 0); |
| 154 | AddSample(15, 1000); |
| 155 | AddSample(25, 0); |
| 156 | AddSample(30, 1000); |
| 157 | EXPECT_EQ(2U, samples()->size()); |
| 158 | EXPECT_EQ((500 + 750) / 2, (*samples())[0]); |
| 159 | EXPECT_EQ((250 + 500) / 2, (*samples())[1]); |
| 160 | } |
| 161 | |
| 162 | |
| 163 | TEST_F(AggregatedMemoryHistogramTest, TwoSamples8) { |
| 164 | FLAG_histogram_interval = 10; |
| 165 | AddSample(10, 1000); |
| 166 | AddSample(15, 0); |
| 167 | AddSample(25, 1000); |
| 168 | AddSample(30, 0); |
| 169 | EXPECT_EQ(2U, samples()->size()); |
| 170 | EXPECT_EQ((500 + 250) / 2, (*samples())[0]); |
| 171 | EXPECT_EQ((750 + 500) / 2, (*samples())[1]); |
| 172 | } |
| 173 | |
| 174 | |
| 175 | TEST_F(AggregatedMemoryHistogramTest, ManySamples1) { |
| 176 | FLAG_histogram_interval = 10; |
| 177 | const int kMaxSamples = 1000; |
| 178 | AddSample(0, 0); |
| 179 | AddSample(10 * kMaxSamples, 10 * kMaxSamples); |
| 180 | EXPECT_EQ(static_cast<unsigned>(kMaxSamples), samples()->size()); |
| 181 | for (int i = 0; i < kMaxSamples; i++) { |
| 182 | EXPECT_EQ(i * 10 + 5, (*samples())[i]); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | |
| 187 | TEST_F(AggregatedMemoryHistogramTest, ManySamples2) { |
| 188 | FLAG_histogram_interval = 10; |
| 189 | const int kMaxSamples = 1000; |
| 190 | AddSample(0, 0); |
| 191 | AddSample(10 * (2 * kMaxSamples), 10 * (2 * kMaxSamples)); |
| 192 | EXPECT_EQ(static_cast<unsigned>(kMaxSamples), samples()->size()); |
| 193 | for (int i = 0; i < kMaxSamples; i++) { |
| 194 | EXPECT_EQ(i * 10 + 5, (*samples())[i]); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | |
| 199 | } // namespace internal |
| 200 | } // namespace v8 |