Index: webrtc/base/mod_ops_unittest.cc |
diff --git a/webrtc/base/mod_ops_unittest.cc b/webrtc/base/mod_ops_unittest.cc |
deleted file mode 100644 |
index 58c6a8e121143af39d8d17f502a38a6773f59b64..0000000000000000000000000000000000000000 |
--- a/webrtc/base/mod_ops_unittest.cc |
+++ /dev/null |
@@ -1,140 +0,0 @@ |
-/* |
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "webrtc/base/mod_ops.h" |
-#include "webrtc/test/gtest.h" |
- |
-namespace webrtc { |
-class TestModOps : public ::testing::Test { |
- protected: |
- // Can't use std::numeric_limits<unsigned long>::max() since |
- // MSVC doesn't support constexpr. |
- static const unsigned long ulmax = ~0ul; // NOLINT |
-}; |
- |
-TEST_F(TestModOps, Add) { |
- const int D = 100; |
- ASSERT_EQ(1u, Add<D>(0, 1)); |
- ASSERT_EQ(0u, Add<D>(0, D)); |
- for (int i = 0; i < D; ++i) |
- ASSERT_EQ(0u, Add<D>(i, D - i)); |
- |
- int t = 37; |
- uint8_t a = t; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(a, static_cast<uint8_t>(t)); |
- t = Add<256>(t, 1); |
- ++a; |
- } |
-} |
- |
-TEST_F(TestModOps, AddLarge) { |
- const unsigned long D = ulmax - 10ul; // NOLINT |
- unsigned long l = D - 1ul; // NOLINT |
- ASSERT_EQ(D - 2ul, Add<D>(l, l)); |
- ASSERT_EQ(9ul, Add<D>(l, ulmax)); |
- ASSERT_EQ(10ul, Add<D>(0ul, ulmax)); |
-} |
- |
-TEST_F(TestModOps, Subtract) { |
- const int D = 100; |
- ASSERT_EQ(99u, Subtract<D>(0, 1)); |
- ASSERT_EQ(0u, Subtract<D>(0, D)); |
- for (int i = 0; i < D; ++i) |
- ASSERT_EQ(0u, Subtract<D>(i, D + i)); |
- |
- int t = 37; |
- uint8_t a = t; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(a, static_cast<uint8_t>(t)); |
- t = Subtract<256>(t, 1); |
- --a; |
- } |
-} |
- |
-TEST_F(TestModOps, SubtractLarge) { |
- // NOLINTNEXTLINE |
- const unsigned long D = ulmax - 10ul; // NOLINT |
- unsigned long l = D - 1ul; // NOLINT |
- ASSERT_EQ(0ul, Subtract<D>(l, l)); |
- ASSERT_EQ(D - 11ul, Subtract<D>(l, ulmax)); |
- ASSERT_EQ(D - 10ul, Subtract<D>(0ul, ulmax)); |
-} |
- |
-TEST_F(TestModOps, ForwardDiff) { |
- ASSERT_EQ(0u, ForwardDiff(4711u, 4711u)); |
- |
- uint8_t x = 0; |
- uint8_t y = 255; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(255u, ForwardDiff(x, y)); |
- ++x; |
- ++y; |
- } |
- |
- int yi = 255; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(255u, ForwardDiff<uint8_t>(x, yi)); |
- ++x; |
- ++yi; |
- } |
-} |
- |
-TEST_F(TestModOps, ReverseDiff) { |
- ASSERT_EQ(0u, ReverseDiff(4711u, 4711u)); |
- |
- uint8_t x = 0; |
- uint8_t y = 255; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(1u, ReverseDiff(x, y)); |
- ++x; |
- ++y; |
- } |
- |
- int yi = 255; |
- for (int i = 0; i < 256; ++i) { |
- ASSERT_EQ(1u, ReverseDiff<uint8_t>(x, yi)); |
- ++x; |
- ++yi; |
- } |
-} |
- |
-TEST_F(TestModOps, MinDiff) { |
- for (uint16_t i = 0; i < 256; ++i) { |
- ASSERT_EQ(0, MinDiff<uint8_t>(i, i)); |
- ASSERT_EQ(1, MinDiff<uint8_t>(i - 1, i)); |
- ASSERT_EQ(1, MinDiff<uint8_t>(i + 1, i)); |
- } |
- |
- for (uint8_t i = 0; i < 128; ++i) |
- ASSERT_EQ(i, MinDiff<uint8_t>(0, i)); |
- |
- for (uint8_t i = 0; i < 128; ++i) |
- ASSERT_EQ(128 - i, MinDiff<uint8_t>(0, 128 + i)); |
-} |
- |
-TEST_F(TestModOps, MinDiffWitDivisor) { |
- ASSERT_EQ(5u, (MinDiff<uint8_t, 11>(0, 5))); |
- ASSERT_EQ(5u, (MinDiff<uint8_t, 11>(0, 6))); |
- ASSERT_EQ(5u, (MinDiff<uint8_t, 11>(5, 0))); |
- ASSERT_EQ(5u, (MinDiff<uint8_t, 11>(6, 0))); |
- |
- const uint16_t D = 4711; |
- |
- for (uint16_t i = 0; i < D / 2; ++i) |
- ASSERT_EQ(i, (MinDiff<uint16_t, D>(0, i))); |
- |
- ASSERT_EQ(D / 2, (MinDiff<uint16_t, D>(0, D / 2))); |
- |
- for (uint16_t i = 0; i < D / 2; ++i) |
- ASSERT_EQ(D / 2 - i, (MinDiff<uint16_t, D>(0, D / 2 - i))); |
-} |
- |
-} // namespace webrtc |