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Side by Side Diff: net/quic/quic_data_writer_test.cc

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 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_data_writer.h" 5 #include "net/quic/quic_data_writer.h"
6 6
7 #include "base/memory/scoped_ptr.h" 7 #include "base/memory/scoped_ptr.h"
8 #include "net/quic/quic_data_reader.h" 8 #include "net/quic/quic_data_reader.h"
9 #include "net/test/gtest_util.h" 9 #include "net/test/gtest_util.h"
10 #include "testing/gtest/include/gtest/gtest.h" 10 #include "testing/gtest/include/gtest/gtest.h"
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
44 EXPECT_EQ(11, kUFloat16MantissaBits); 44 EXPECT_EQ(11, kUFloat16MantissaBits);
45 EXPECT_EQ(12, kUFloat16MantissaEffectiveBits); 45 EXPECT_EQ(12, kUFloat16MantissaEffectiveBits);
46 EXPECT_EQ(GG_UINT64_C(0x3FFC0000000), kUFloat16MaxValue); 46 EXPECT_EQ(GG_UINT64_C(0x3FFC0000000), kUFloat16MaxValue);
47 } 47 }
48 48
49 TEST(QuicDataWriterTest, WriteUFloat16) { 49 TEST(QuicDataWriterTest, WriteUFloat16) {
50 struct TestCase { 50 struct TestCase {
51 uint64 decoded; 51 uint64 decoded;
52 uint16 encoded; 52 uint16 encoded;
53 }; 53 };
54 TestCase test_cases[] = { 54 TestCase test_cases[] = {// Small numbers represent themselves.
55 // Small numbers represent themselves. 55 {0, 0},
56 { 0, 0 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, 56 {1, 1},
57 { 7, 7 }, { 15, 15 }, { 31, 31 }, { 42, 42 }, { 123, 123 }, { 1234, 1234 }, 57 {2, 2},
58 // Check transition through 2^11. 58 {3, 3},
59 { 2046, 2046 }, { 2047, 2047 }, { 2048, 2048 }, { 2049, 2049 }, 59 {4, 4},
60 // Running out of mantissa at 2^12. 60 {5, 5},
61 { 4094, 4094 }, { 4095, 4095 }, { 4096, 4096 }, { 4097, 4096 }, 61 {6, 6},
62 { 4098, 4097 }, { 4099, 4097 }, { 4100, 4098 }, { 4101, 4098 }, 62 {7, 7},
63 // Check transition through 2^13. 63 {15, 15},
64 { 8190, 6143 }, { 8191, 6143 }, { 8192, 6144 }, { 8193, 6144 }, 64 {31, 31},
65 { 8194, 6144 }, { 8195, 6144 }, { 8196, 6145 }, { 8197, 6145 }, 65 {42, 42},
66 // Half-way through the exponents. 66 {123, 123},
67 { 0x7FF8000, 0x87FF }, { 0x7FFFFFF, 0x87FF }, { 0x8000000, 0x8800 }, 67 {1234, 1234},
68 { 0xFFF0000, 0x8FFF }, { 0xFFFFFFF, 0x8FFF }, { 0x10000000, 0x9000 }, 68 // Check transition through 2^11.
69 // Transition into the largest exponent. 69 {2046, 2046},
70 { 0x1FFFFFFFFFE, 0xF7FF}, { 0x1FFFFFFFFFF, 0xF7FF}, 70 {2047, 2047},
71 { 0x20000000000, 0xF800}, { 0x20000000001, 0xF800}, 71 {2048, 2048},
72 { 0x2003FFFFFFE, 0xF800}, { 0x2003FFFFFFF, 0xF800}, 72 {2049, 2049},
73 { 0x20040000000, 0xF801}, { 0x20040000001, 0xF801}, 73 // Running out of mantissa at 2^12.
74 // Transition into the max value and clamping. 74 {4094, 4094},
75 { 0x3FF80000000, 0xFFFE}, { 0x3FFBFFFFFFF, 0xFFFE}, 75 {4095, 4095},
76 { 0x3FFC0000000, 0xFFFF}, { 0x3FFC0000001, 0xFFFF}, 76 {4096, 4096},
77 { 0x3FFFFFFFFFF, 0xFFFF}, { 0x40000000000, 0xFFFF}, 77 {4097, 4096},
78 { 0xFFFFFFFFFFFFFFFF, 0xFFFF}, 78 {4098, 4097},
79 {4099, 4097},
80 {4100, 4098},
81 {4101, 4098},
82 // Check transition through 2^13.
83 {8190, 6143},
84 {8191, 6143},
85 {8192, 6144},
86 {8193, 6144},
87 {8194, 6144},
88 {8195, 6144},
89 {8196, 6145},
90 {8197, 6145},
91 // Half-way through the exponents.
92 {0x7FF8000, 0x87FF},
93 {0x7FFFFFF, 0x87FF},
94 {0x8000000, 0x8800},
95 {0xFFF0000, 0x8FFF},
96 {0xFFFFFFF, 0x8FFF},
97 {0x10000000, 0x9000},
98 // Transition into the largest exponent.
99 {0x1FFFFFFFFFE, 0xF7FF},
100 {0x1FFFFFFFFFF, 0xF7FF},
101 {0x20000000000, 0xF800},
102 {0x20000000001, 0xF800},
103 {0x2003FFFFFFE, 0xF800},
104 {0x2003FFFFFFF, 0xF800},
105 {0x20040000000, 0xF801},
106 {0x20040000001, 0xF801},
107 // Transition into the max value and clamping.
108 {0x3FF80000000, 0xFFFE},
109 {0x3FFBFFFFFFF, 0xFFFE},
110 {0x3FFC0000000, 0xFFFF},
111 {0x3FFC0000001, 0xFFFF},
112 {0x3FFFFFFFFFF, 0xFFFF},
113 {0x40000000000, 0xFFFF},
114 {0xFFFFFFFFFFFFFFFF, 0xFFFF},
79 }; 115 };
80 int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]); 116 int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]);
81 117
82 for (int i = 0; i < num_test_cases; ++i) { 118 for (int i = 0; i < num_test_cases; ++i) {
83 QuicDataWriter writer(2); 119 QuicDataWriter writer(2);
84 EXPECT_TRUE(writer.WriteUFloat16(test_cases[i].decoded)); 120 EXPECT_TRUE(writer.WriteUFloat16(test_cases[i].decoded));
85 scoped_ptr<char[]> data(writer.take()); 121 scoped_ptr<char[]> data(writer.take());
86 EXPECT_EQ(test_cases[i].encoded, *reinterpret_cast<uint16*>(data.get())); 122 EXPECT_EQ(test_cases[i].encoded, *reinterpret_cast<uint16*>(data.get()));
87 } 123 }
88 } 124 }
89 125
90 TEST(QuicDataWriterTest, ReadUFloat16) { 126 TEST(QuicDataWriterTest, ReadUFloat16) {
91 struct TestCase { 127 struct TestCase {
92 uint64 decoded; 128 uint64 decoded;
93 uint16 encoded; 129 uint16 encoded;
94 }; 130 };
95 TestCase test_cases[] = { 131 TestCase test_cases[] = {
96 // There are fewer decoding test cases because encoding truncates, and 132 // There are fewer decoding test cases because encoding truncates, and
97 // decoding returns the smallest expansion. 133 // decoding returns the smallest expansion.
98 // Small numbers represent themselves. 134 // Small numbers represent themselves.
99 { 0, 0 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, 135 {0, 0},
100 { 7, 7 }, { 15, 15 }, { 31, 31 }, { 42, 42 }, { 123, 123 }, { 1234, 1234 }, 136 {1, 1},
101 // Check transition through 2^11. 137 {2, 2},
102 { 2046, 2046 }, { 2047, 2047 }, { 2048, 2048 }, { 2049, 2049 }, 138 {3, 3},
103 // Running out of mantissa at 2^12. 139 {4, 4},
104 { 4094, 4094 }, { 4095, 4095 }, { 4096, 4096 }, 140 {5, 5},
105 { 4098, 4097 }, { 4100, 4098 }, 141 {6, 6},
106 // Check transition through 2^13. 142 {7, 7},
107 { 8190, 6143 }, { 8192, 6144 }, { 8196, 6145 }, 143 {15, 15},
108 // Half-way through the exponents. 144 {31, 31},
109 { 0x7FF8000, 0x87FF }, { 0x8000000, 0x8800 }, 145 {42, 42},
110 { 0xFFF0000, 0x8FFF }, { 0x10000000, 0x9000 }, 146 {123, 123},
111 // Transition into the largest exponent. 147 {1234, 1234},
112 { 0x1FFE0000000, 0xF7FF}, { 0x20000000000, 0xF800}, 148 // Check transition through 2^11.
113 { 0x20040000000, 0xF801}, 149 {2046, 2046},
114 // Transition into the max value. 150 {2047, 2047},
115 { 0x3FF80000000, 0xFFFE}, { 0x3FFC0000000, 0xFFFF}, 151 {2048, 2048},
152 {2049, 2049},
153 // Running out of mantissa at 2^12.
154 {4094, 4094},
155 {4095, 4095},
156 {4096, 4096},
157 {4098, 4097},
158 {4100, 4098},
159 // Check transition through 2^13.
160 {8190, 6143},
161 {8192, 6144},
162 {8196, 6145},
163 // Half-way through the exponents.
164 {0x7FF8000, 0x87FF},
165 {0x8000000, 0x8800},
166 {0xFFF0000, 0x8FFF},
167 {0x10000000, 0x9000},
168 // Transition into the largest exponent.
169 {0x1FFE0000000, 0xF7FF},
170 {0x20000000000, 0xF800},
171 {0x20040000000, 0xF801},
172 // Transition into the max value.
173 {0x3FF80000000, 0xFFFE},
174 {0x3FFC0000000, 0xFFFF},
116 }; 175 };
117 int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]); 176 int num_test_cases = sizeof(test_cases) / sizeof(test_cases[0]);
118 177
119 for (int i = 0; i < num_test_cases; ++i) { 178 for (int i = 0; i < num_test_cases; ++i) {
120 QuicDataReader reader(reinterpret_cast<char*>(&test_cases[i].encoded), 2); 179 QuicDataReader reader(reinterpret_cast<char*>(&test_cases[i].encoded), 2);
121 uint64 value; 180 uint64 value;
122 EXPECT_TRUE(reader.ReadUFloat16(&value)); 181 EXPECT_TRUE(reader.ReadUFloat16(&value));
123 EXPECT_EQ(test_cases[i].decoded, value); 182 EXPECT_EQ(test_cases[i].decoded, value);
124 } 183 }
125 } 184 }
(...skipping 17 matching lines...) Expand all
143 EXPECT_GT(previous_value * 1005, value * 1000); 202 EXPECT_GT(previous_value * 1005, value * 1000);
144 // Check we're always within the promised range. 203 // Check we're always within the promised range.
145 EXPECT_LT(value, GG_UINT64_C(0x3FFC0000000)); 204 EXPECT_LT(value, GG_UINT64_C(0x3FFC0000000));
146 previous_value = value; 205 previous_value = value;
147 QuicDataWriter writer(6); 206 QuicDataWriter writer(6);
148 EXPECT_TRUE(writer.WriteUFloat16(value - 1)); 207 EXPECT_TRUE(writer.WriteUFloat16(value - 1));
149 EXPECT_TRUE(writer.WriteUFloat16(value)); 208 EXPECT_TRUE(writer.WriteUFloat16(value));
150 EXPECT_TRUE(writer.WriteUFloat16(value + 1)); 209 EXPECT_TRUE(writer.WriteUFloat16(value + 1));
151 scoped_ptr<char[]> data(writer.take()); 210 scoped_ptr<char[]> data(writer.take());
152 // Check minimal decoding (previous decoding has previous encoding). 211 // Check minimal decoding (previous decoding has previous encoding).
153 EXPECT_EQ(i-1, *reinterpret_cast<uint16*>(data.get())); 212 EXPECT_EQ(i - 1, *reinterpret_cast<uint16*>(data.get()));
154 // Check roundtrip. 213 // Check roundtrip.
155 EXPECT_EQ(i, *reinterpret_cast<uint16*>(data.get() + 2)); 214 EXPECT_EQ(i, *reinterpret_cast<uint16*>(data.get() + 2));
156 // Check next decoding. 215 // Check next decoding.
157 EXPECT_EQ(i < 4096? i+1 : i, *reinterpret_cast<uint16*>(data.get() + 4)); 216 EXPECT_EQ(i < 4096 ? i + 1 : i, *reinterpret_cast<uint16*>(data.get() + 4));
158 } 217 }
159 } 218 }
160 219
161 } // namespace 220 } // namespace
162 } // namespace test 221 } // namespace test
163 } // namespace net 222 } // namespace net
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