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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 "base/basictypes.h" | 5 #include "base/basictypes.h" |
6 #include "base/logging.h" | 6 #include "base/logging.h" |
7 #include "net/base/int128.h" | 7 #include "net/base/int128.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
10 | 10 |
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102 EXPECT_EQ(test |= three, three); | 102 EXPECT_EQ(test |= three, three); |
103 EXPECT_EQ(test &= one, one); | 103 EXPECT_EQ(test &= one, one); |
104 EXPECT_EQ(test ^= three, two); | 104 EXPECT_EQ(test ^= three, two); |
105 EXPECT_EQ(test >>= 1, one); | 105 EXPECT_EQ(test >>= 1, one); |
106 EXPECT_EQ(test <<= 1, two); | 106 EXPECT_EQ(test <<= 1, two); |
107 | 107 |
108 EXPECT_EQ(big, -(-big)); | 108 EXPECT_EQ(big, -(-big)); |
109 EXPECT_EQ(two, -((-one) - 1)); | 109 EXPECT_EQ(two, -((-one) - 1)); |
110 EXPECT_EQ(kuint128max, -one); | 110 EXPECT_EQ(kuint128max, -one); |
111 EXPECT_EQ(zero, -zero); | 111 EXPECT_EQ(zero, -zero); |
112 | |
113 LOG(INFO) << one; | |
114 LOG(INFO) << big_minus_one; | |
115 } | 112 } |
116 | 113 |
117 TEST(Int128, PodTests) { | 114 TEST(Int128, PodTests) { |
118 uint128_pod pod = { 12345, 67890 }; | 115 uint128_pod pod = { 12345, 67890 }; |
119 uint128 from_pod(pod); | 116 uint128 from_pod(pod); |
120 EXPECT_EQ(12345u, Uint128High64(from_pod)); | 117 EXPECT_EQ(12345u, Uint128High64(from_pod)); |
121 EXPECT_EQ(67890u, Uint128Low64(from_pod)); | 118 EXPECT_EQ(67890u, Uint128Low64(from_pod)); |
122 | 119 |
123 uint128 zero(0); | 120 uint128 zero(0); |
124 uint128_pod zero_pod = {0, 0}; | 121 uint128_pod zero_pod = {0, 0}; |
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256 uint128 x1(1, 2); | 253 uint128 x1(1, 2); |
257 uint128 x2(2, 4); | 254 uint128 x2(2, 4); |
258 x1 += x1; | 255 x1 += x1; |
259 EXPECT_EQ(x2, x1); | 256 EXPECT_EQ(x2, x1); |
260 | 257 |
261 uint128 x3(1, 1ull << 63); | 258 uint128 x3(1, 1ull << 63); |
262 uint128 x4(3, 0); | 259 uint128 x4(3, 0); |
263 x3 += x3; | 260 x3 += x3; |
264 EXPECT_EQ(x4, x3); | 261 EXPECT_EQ(x4, x3); |
265 } | 262 } |
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