From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../libwebrtc/net/dcsctp/common/math_test.cc | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 third_party/libwebrtc/net/dcsctp/common/math_test.cc (limited to 'third_party/libwebrtc/net/dcsctp/common/math_test.cc') diff --git a/third_party/libwebrtc/net/dcsctp/common/math_test.cc b/third_party/libwebrtc/net/dcsctp/common/math_test.cc new file mode 100644 index 0000000000..f95dfbdb55 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/common/math_test.cc @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2021 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 "net/dcsctp/common/math.h" + +#include "test/gmock.h" + +namespace dcsctp { +namespace { + +TEST(MathUtilTest, CanRoundUpTo4) { + // Signed numbers + EXPECT_EQ(RoundUpTo4(static_cast(-5)), -4); + EXPECT_EQ(RoundUpTo4(static_cast(-4)), -4); + EXPECT_EQ(RoundUpTo4(static_cast(-3)), 0); + EXPECT_EQ(RoundUpTo4(static_cast(-2)), 0); + EXPECT_EQ(RoundUpTo4(static_cast(-1)), 0); + EXPECT_EQ(RoundUpTo4(static_cast(0)), 0); + EXPECT_EQ(RoundUpTo4(static_cast(1)), 4); + EXPECT_EQ(RoundUpTo4(static_cast(2)), 4); + EXPECT_EQ(RoundUpTo4(static_cast(3)), 4); + EXPECT_EQ(RoundUpTo4(static_cast(4)), 4); + EXPECT_EQ(RoundUpTo4(static_cast(5)), 8); + EXPECT_EQ(RoundUpTo4(static_cast(6)), 8); + EXPECT_EQ(RoundUpTo4(static_cast(7)), 8); + EXPECT_EQ(RoundUpTo4(static_cast(8)), 8); + EXPECT_EQ(RoundUpTo4(static_cast(10000000000)), 10000000000); + EXPECT_EQ(RoundUpTo4(static_cast(10000000001)), 10000000004); + + // Unsigned numbers + EXPECT_EQ(RoundUpTo4(static_cast(0)), 0u); + EXPECT_EQ(RoundUpTo4(static_cast(1)), 4u); + EXPECT_EQ(RoundUpTo4(static_cast(2)), 4u); + EXPECT_EQ(RoundUpTo4(static_cast(3)), 4u); + EXPECT_EQ(RoundUpTo4(static_cast(4)), 4u); + EXPECT_EQ(RoundUpTo4(static_cast(5)), 8u); + EXPECT_EQ(RoundUpTo4(static_cast(6)), 8u); + EXPECT_EQ(RoundUpTo4(static_cast(7)), 8u); + EXPECT_EQ(RoundUpTo4(static_cast(8)), 8u); + EXPECT_EQ(RoundUpTo4(static_cast(10000000000)), 10000000000u); + EXPECT_EQ(RoundUpTo4(static_cast(10000000001)), 10000000004u); +} + +TEST(MathUtilTest, CanRoundDownTo4) { + // Signed numbers + EXPECT_EQ(RoundDownTo4(static_cast(-5)), -8); + EXPECT_EQ(RoundDownTo4(static_cast(-4)), -4); + EXPECT_EQ(RoundDownTo4(static_cast(-3)), -4); + EXPECT_EQ(RoundDownTo4(static_cast(-2)), -4); + EXPECT_EQ(RoundDownTo4(static_cast(-1)), -4); + EXPECT_EQ(RoundDownTo4(static_cast(0)), 0); + EXPECT_EQ(RoundDownTo4(static_cast(1)), 0); + EXPECT_EQ(RoundDownTo4(static_cast(2)), 0); + EXPECT_EQ(RoundDownTo4(static_cast(3)), 0); + EXPECT_EQ(RoundDownTo4(static_cast(4)), 4); + EXPECT_EQ(RoundDownTo4(static_cast(5)), 4); + EXPECT_EQ(RoundDownTo4(static_cast(6)), 4); + EXPECT_EQ(RoundDownTo4(static_cast(7)), 4); + EXPECT_EQ(RoundDownTo4(static_cast(8)), 8); + EXPECT_EQ(RoundDownTo4(static_cast(10000000000)), 10000000000); + EXPECT_EQ(RoundDownTo4(static_cast(10000000001)), 10000000000); + + // Unsigned numbers + EXPECT_EQ(RoundDownTo4(static_cast(0)), 0u); + EXPECT_EQ(RoundDownTo4(static_cast(1)), 0u); + EXPECT_EQ(RoundDownTo4(static_cast(2)), 0u); + EXPECT_EQ(RoundDownTo4(static_cast(3)), 0u); + EXPECT_EQ(RoundDownTo4(static_cast(4)), 4u); + EXPECT_EQ(RoundDownTo4(static_cast(5)), 4u); + EXPECT_EQ(RoundDownTo4(static_cast(6)), 4u); + EXPECT_EQ(RoundDownTo4(static_cast(7)), 4u); + EXPECT_EQ(RoundDownTo4(static_cast(8)), 8u); + EXPECT_EQ(RoundDownTo4(static_cast(10000000000)), 10000000000u); + EXPECT_EQ(RoundDownTo4(static_cast(10000000001)), 10000000000u); +} + +TEST(MathUtilTest, IsDivisibleBy4) { + // Signed numbers + EXPECT_EQ(IsDivisibleBy4(static_cast(-4)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(-3)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(-2)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(-1)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(0)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(1)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(2)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(3)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(4)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(5)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(6)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(7)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(8)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(10000000000)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(10000000001)), false); + + // Unsigned numbers + EXPECT_EQ(IsDivisibleBy4(static_cast(0)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(1)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(2)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(3)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(4)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(5)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(6)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(7)), false); + EXPECT_EQ(IsDivisibleBy4(static_cast(8)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(10000000000)), true); + EXPECT_EQ(IsDivisibleBy4(static_cast(10000000001)), false); +} + +} // namespace +} // namespace dcsctp -- cgit v1.2.3