chromium/third_party/angle/src/tests/compiler_tests/ConstantFoldingOverflow_test.cpp

//
// Copyright 2016 The ANGLE 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.
//
// ConstantFoldingOverflow_test.cpp:
//   Tests for constant folding that results in floating point overflow.
//   In IEEE floating point, the overflow result depends on which of the various rounding modes is
//   chosen - it's either the maximum representable value or infinity.
//   ESSL 3.00.6 section 4.5.1 says that the rounding mode cannot be set and is undefined, so the
//   result in this case is not defined by the spec.
//   We decide to overflow to infinity and issue a warning.
//

#include "tests/test_utils/ConstantFoldingTest.h"

usingnamespacesh;

namespace
{

class ConstantFoldingOverflowExpressionTest : public ConstantFoldingExpressionTest
{ … };

}  // anonymous namespace

// Test that addition that overflows is evaluated correctly.
TEST_F(ConstantFoldingOverflowExpressionTest, Add)
{ … }

// Test that subtraction that overflows is evaluated correctly.
TEST_F(ConstantFoldingOverflowExpressionTest, Subtract)
{ … }

// Test that multiplication that overflows is evaluated correctly.
TEST_F(ConstantFoldingOverflowExpressionTest, Multiply)
{ … }

// Test that division that overflows is evaluated correctly.
TEST_F(ConstantFoldingOverflowExpressionTest, Divide)
{ … }