chromium/third_party/dawn/src/dawn/tests/unittests/TypedIntegerTests.cpp

// Copyright 2020 The Dawn & Tint Authors
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#include <limits>

#include "dawn/common/TypedInteger.h"
#include "dawn/common/UnderlyingType.h"
#include "gtest/gtest.h"

namespace dawn {
namespace {

class TypedIntegerTest : public testing::Test { … };

// Test that typed integers can be created and cast and the internal values are identical
TEST_F(TypedIntegerTest, ConstructionAndCast) { … }

// Test typed integer comparison operators
TEST_F(TypedIntegerTest, Comparison) { … }

TEST_F(TypedIntegerTest, Arithmetic) { … }

TEST_F(TypedIntegerTest, NumericLimits) { … }

TEST_F(TypedIntegerTest, UnderlyingType) { … }

TEST_F(TypedIntegerTest, PlusOne) { … }

// Tests for bounds assertions on arithmetic overflow and underflow.
#if defined(DAWN_ENABLE_ASSERTS)

TEST_F(TypedIntegerTest, IncrementUnsignedOverflow) { … }

TEST_F(TypedIntegerTest, IncrementSignedOverflow) { … }

TEST_F(TypedIntegerTest, DecrementUnsignedUnderflow) { … }

TEST_F(TypedIntegerTest, DecrementSignedUnderflow) { … }

TEST_F(TypedIntegerTest, UnsignedAdditionOverflow) { … }

TEST_F(TypedIntegerTest, UnsignedSubtractionUnderflow) { … }

TEST_F(TypedIntegerTest, SignedAdditionOverflow) { … }

TEST_F(TypedIntegerTest, SignedAdditionUnderflow) { … }

TEST_F(TypedIntegerTest, SignedSubtractionOverflow) { … }

TEST_F(TypedIntegerTest, SignedSubtractionUnderflow) { … }

TEST_F(TypedIntegerTest, NegationOverflow) { … }

#endif  // defined(DAWN_ENABLE_ASSERTS)

}  // anonymous namespace
}  // namespace dawn